{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-del-valle-dog-swimming-prohibited-zone",
        "evidence_ids": [
          "evidence-del-valle-dog-swimming-prohibited-zone"
        ],
        "predicate": "dog_swimming_prohibited_area",
        "spatial_scope_ids": [
          "scope-lake-del-valle"
        ],
        "subject_id": "lake-del-valle",
        "temporal_scope": {
          "ends_on": null,
          "starts_on": "2023-09-01"
        },
        "value": "Oak Point north to East Marina"
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-dog-swimming-prohibited-zone",
          "evidence_id": "evidence-del-valle-dog-swimming-prohibited-zone",
          "notes": "",
          "observation_id": "observation-ebrpd-ordinance-38-dogs",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "PDF pages 25-27"
          ],
          "content": "Sections 801.1-801.3 prohibit dog swimming at Lake Del Valle from Oak Point north to the East Marina; require leashes in developed areas including campgrounds; cap leashes at six feet and dogs at three per person; and require campground animals to be attended and leashed or confined.",
          "observation_id": "observation-ebrpd-ordinance-38-dogs",
          "observed_at": "2023-09-01T00:00:00+00:00",
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/sites/default/files/Ord38-09052023FINAL.pdf",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-del-valle-dogs",
        "evidence_ids": [
          "evidence-del-valle-dogs",
          "evidence-ordinance38-dog-rules"
        ],
        "predicate": "dog_rules",
        "spatial_scope_ids": [
          "scope-del-valle-family-campground"
        ],
        "subject_id": "campground-del-valle-family",
        "temporal_scope": null,
        "value": {
          "confined_during_quiet_hours": true,
          "excluded_places": [
            "swim_beach",
            "swim_area",
            "cabins",
            "select_trails"
          ],
          "leash_in_developed_areas": true,
          "maximum_per_site": 3,
          "trained_service_animal_exception": true,
          "unattended_allowed": false
        }
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-dogs",
          "evidence_id": "evidence-del-valle-dogs",
          "notes": "",
          "observation_id": "observation-del-valle-dogs",
          "stance": "supports"
        },
        {
          "claim_id": "claim-del-valle-dogs",
          "evidence_id": "evidence-ordinance38-dog-rules",
          "notes": "Supports leash, maximum-number, unattended, and water-exclusion portions; other claim fields come from campground-specific evidence.",
          "observation_id": "observation-ebrpd-ordinance-38-dogs",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The page permits at most three dogs per campsite, requires leashes in campgrounds and developed areas, requires confinement in a vehicle or tent during quiet hours, prohibits unattended dogs, and excludes dogs other than trained service animals from swim beaches, swim areas, cabins, and select trails.",
          "observation_id": "observation-del-valle-dogs",
          "observed_at": null,
          "observer": "user-supplied page transcription",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-reserveamerica-del-valle-overview-110003"
        },
        {
          "artifact_refs": [
            "PDF pages 25-27"
          ],
          "content": "Sections 801.1-801.3 prohibit dog swimming at Lake Del Valle from Oak Point north to the East Marina; require leashes in developed areas including campgrounds; cap leashes at six feet and dogs at three per person; and require campground animals to be attended and leashed or confined.",
          "observation_id": "observation-ebrpd-ordinance-38-dogs",
          "observed_at": "2023-09-01T00:00:00+00:00",
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ],
      "sources": [
        {
          "locator": "https://www.reserveamerica.com/explore/del-valle/EB/110003/overview",
          "publisher": "ReserveAmerica / East Bay Regional Park District",
          "source_id": "source-reserveamerica-del-valle-overview-110003"
        },
        {
          "locator": "https://www.ebparks.org/sites/default/files/Ord38-09052023FINAL.pdf",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-del-valle-ebrpd-boat-speed",
        "evidence_ids": [
          "evidence-del-valle-ebrpd-boat-speed",
          "evidence-ordinance38-del-valle-boat-speed"
        ],
        "predicate": "boat_speed_limit_mph",
        "spatial_scope_ids": [
          "scope-lake-del-valle"
        ],
        "subject_id": "lake-del-valle",
        "temporal_scope": null,
        "value": 10
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-ebrpd-boat-speed",
          "evidence_id": "evidence-del-valle-ebrpd-boat-speed",
          "notes": "",
          "observation_id": "observation-del-valle-ebrpd-boating",
          "stance": "supports"
        },
        {
          "claim_id": "claim-del-valle-ebrpd-boat-speed",
          "evidence_id": "evidence-ordinance38-del-valle-boat-speed",
          "notes": "Section 503.6(a).",
          "observation_id": "observation-ebrpd-ordinance-38-del-valle-boating",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The page lists launch and inspection fees of $5 and $10 for motorized vessels and $3 and $5 for non-motorized vessels, a lake-wide 10 mph speed limit, and a prohibition on hydrofoils and E-Foils. It permits any-size boats at the public ramp.",
          "observation_id": "observation-del-valle-ebrpd-boating",
          "observed_at": null,
          "observer": "user-supplied page transcription",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-del-valle-park-page"
        },
        {
          "artifact_refs": [
            "PDF pages 16, 18-19"
          ],
          "content": "Sections 501.2 and 503.4-503.9 allow car-top and trailered boats at Del Valle without size restriction; limit use to sunrise-sunset or posted hours; cap gasoline-powered boats at 10 mph; prohibit towing people and fuel/oil pollution; and regulate proximity to swim areas and swimmers.",
          "observation_id": "observation-ebrpd-ordinance-38-del-valle-boating",
          "observed_at": "2023-09-01T00:00:00+00:00",
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/parks/del-valle",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-del-valle-park-page"
        },
        {
          "locator": "https://www.ebparks.org/sites/default/files/Ord38-09052023FINAL.pdf",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-del-valle-family-capacity",
        "evidence_ids": [
          "evidence-del-valle-family-capacity",
          "evidence-ordinance38-family-capacity"
        ],
        "predicate": "people_per_family_site",
        "spatial_scope_ids": [
          "scope-del-valle-family-campground"
        ],
        "subject_id": "campground-del-valle-family",
        "temporal_scope": null,
        "value": 8
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-family-capacity",
          "evidence_id": "evidence-del-valle-family-capacity",
          "notes": "",
          "observation_id": "observation-del-valle-family-capacity-stays-vehicles",
          "stance": "supports"
        },
        {
          "claim_id": "claim-del-valle-family-capacity",
          "evidence_id": "evidence-ordinance38-family-capacity",
          "notes": "Section 400.3(a).",
          "observation_id": "observation-ebrpd-ordinance-38-camping",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "Family campsites allow up to eight people and two vehicles. Family camping is limited to 15 consecutive nights and 30 total nights per year, with 48 hours separating reservations after a 15-night stay.",
          "observation_id": "observation-del-valle-family-capacity-stays-vehicles",
          "observed_at": null,
          "observer": "user-supplied page transcription",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-reserveamerica-del-valle-overview-110003"
        },
        {
          "artifact_refs": [
            "PDF pages 5-6"
          ],
          "content": "Revised September 2023. Sections 400.1-400.6 require a valid permit in designated camping areas; limit family sites to eight occupants, 15 consecutive days and 30 days per year with a two-day break; regulate disturbing generators and sound devices; govern juveniles; and apply camping rules to tent, RV, cabin, and walk-in camping.",
          "observation_id": "observation-ebrpd-ordinance-38-camping",
          "observed_at": "2023-09-01T00:00:00+00:00",
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ],
      "sources": [
        {
          "locator": "https://www.reserveamerica.com/explore/del-valle/EB/110003/overview",
          "publisher": "ReserveAmerica / East Bay Regional Park District",
          "source_id": "source-reserveamerica-del-valle-overview-110003"
        },
        {
          "locator": "https://www.ebparks.org/sites/default/files/Ord38-09052023FINAL.pdf",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-del-valle-family-stay-limit",
        "evidence_ids": [
          "evidence-del-valle-family-stay-limit",
          "evidence-ordinance38-family-stay-limit"
        ],
        "predicate": "stay_limit",
        "spatial_scope_ids": [
          "scope-del-valle-family-campground"
        ],
        "subject_id": "campground-del-valle-family",
        "temporal_scope": null,
        "value": {
          "maximum_consecutive_nights": 15,
          "maximum_nights_per_year": 30,
          "separation_after_maximum_stay_hours": 48
        }
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-family-stay-limit",
          "evidence_id": "evidence-del-valle-family-stay-limit",
          "notes": "",
          "observation_id": "observation-del-valle-family-capacity-stays-vehicles",
          "stance": "supports"
        },
        {
          "claim_id": "claim-del-valle-family-stay-limit",
          "evidence_id": "evidence-ordinance38-family-stay-limit",
          "notes": "Section 400.3(b).",
          "observation_id": "observation-ebrpd-ordinance-38-camping",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "Family campsites allow up to eight people and two vehicles. Family camping is limited to 15 consecutive nights and 30 total nights per year, with 48 hours separating reservations after a 15-night stay.",
          "observation_id": "observation-del-valle-family-capacity-stays-vehicles",
          "observed_at": null,
          "observer": "user-supplied page transcription",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-reserveamerica-del-valle-overview-110003"
        },
        {
          "artifact_refs": [
            "PDF pages 5-6"
          ],
          "content": "Revised September 2023. Sections 400.1-400.6 require a valid permit in designated camping areas; limit family sites to eight occupants, 15 consecutive days and 30 days per year with a two-day break; regulate disturbing generators and sound devices; govern juveniles; and apply camping rules to tent, RV, cabin, and walk-in camping.",
          "observation_id": "observation-ebrpd-ordinance-38-camping",
          "observed_at": "2023-09-01T00:00:00+00:00",
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ],
      "sources": [
        {
          "locator": "https://www.reserveamerica.com/explore/del-valle/EB/110003/overview",
          "publisher": "ReserveAmerica / East Bay Regional Park District",
          "source_id": "source-reserveamerica-del-valle-overview-110003"
        },
        {
          "locator": "https://www.ebparks.org/sites/default/files/Ord38-09052023FINAL.pdf",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-del-valle-family-vehicles",
        "evidence_ids": [
          "evidence-del-valle-family-vehicles",
          "evidence-ordinance38-family-vehicles"
        ],
        "predicate": "vehicles_per_family_site",
        "spatial_scope_ids": [
          "scope-del-valle-family-campground"
        ],
        "subject_id": "campground-del-valle-family",
        "temporal_scope": null,
        "value": 2
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-family-vehicles",
          "evidence_id": "evidence-del-valle-family-vehicles",
          "notes": "",
          "observation_id": "observation-del-valle-family-capacity-stays-vehicles",
          "stance": "supports"
        },
        {
          "claim_id": "claim-del-valle-family-vehicles",
          "evidence_id": "evidence-ordinance38-family-vehicles",
          "notes": "Section 901.1(q).",
          "observation_id": "observation-ebrpd-ordinance-38-parking",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "Family campsites allow up to eight people and two vehicles. Family camping is limited to 15 consecutive nights and 30 total nights per year, with 48 hours separating reservations after a 15-night stay.",
          "observation_id": "observation-del-valle-family-capacity-stays-vehicles",
          "observed_at": null,
          "observer": "user-supplied page transcription",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-reserveamerica-del-valle-overview-110003"
        },
        {
          "artifact_refs": [
            "PDF page 32"
          ],
          "content": "Section 901.1 prohibits more than two vehicles at a campground site and parking off the paved pad.",
          "observation_id": "observation-ebrpd-ordinance-38-parking",
          "observed_at": "2023-09-01T00:00:00+00:00",
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ],
      "sources": [
        {
          "locator": "https://www.reserveamerica.com/explore/del-valle/EB/110003/overview",
          "publisher": "ReserveAmerica / East Bay Regional Park District",
          "source_id": "source-reserveamerica-del-valle-overview-110003"
        },
        {
          "locator": "https://www.ebparks.org/sites/default/files/Ord38-09052023FINAL.pdf",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-del-valle-fire-rules",
        "evidence_ids": [
          "evidence-del-valle-fire-rules",
          "evidence-ordinance38-fire-rules"
        ],
        "predicate": "fire_rules",
        "spatial_scope_ids": [
          "scope-del-valle-family-campground"
        ],
        "subject_id": "campground-del-valle-family",
        "temporal_scope": null,
        "value": {
          "adult_attendance_required": true,
          "designated_areas_only": true,
          "extinguish_before_departure": true,
          "subject_to_current_restrictions": true,
          "wood_collection_allowed": false
        }
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-fire-rules",
          "evidence_id": "evidence-del-valle-fire-rules",
          "notes": "",
          "observation_id": "observation-del-valle-fire-smoking",
          "stance": "supports"
        },
        {
          "claim_id": "claim-del-valle-fire-rules",
          "evidence_id": "evidence-ordinance38-fire-rules",
          "notes": "Supports designated-area, attendance, extinguishing, and changing-restriction portions; it does not address wood collection.",
          "observation_id": "observation-ebrpd-ordinance-38-fire-smoking",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "Fire restrictions may apply. Fires are allowed only in designated areas, must use commercially purchased wood, processed logs, or cut lumber, must remain attended by an adult, and must be extinguished before departure. Collecting wood, smoking, and vaping are prohibited.",
          "observation_id": "observation-del-valle-fire-smoking",
          "observed_at": null,
          "observer": "user-supplied page transcription",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-reserveamerica-del-valle-overview-110003"
        },
        {
          "artifact_refs": [
            "PDF page 7"
          ],
          "content": "Sections 404-404.3 limit open fires to designated facilities, prohibit unattended fires, allow escalation during fire season, and prohibit smoking and vaping throughout the District.",
          "observation_id": "observation-ebrpd-ordinance-38-fire-smoking",
          "observed_at": "2023-09-01T00:00:00+00:00",
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ],
      "sources": [
        {
          "locator": "https://www.reserveamerica.com/explore/del-valle/EB/110003/overview",
          "publisher": "ReserveAmerica / East Bay Regional Park District",
          "source_id": "source-reserveamerica-del-valle-overview-110003"
        },
        {
          "locator": "https://www.ebparks.org/sites/default/files/Ord38-09052023FINAL.pdf",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-del-valle-ordinance-boat-launch",
        "evidence_ids": [
          "evidence-del-valle-ordinance-boat-launch"
        ],
        "predicate": "private_boat_launch",
        "spatial_scope_ids": [
          "scope-lake-del-valle"
        ],
        "subject_id": "lake-del-valle",
        "temporal_scope": {
          "ends_on": null,
          "starts_on": "2023-09-01"
        },
        "value": {
          "car_top": true,
          "size_restriction": null,
          "trailered": true
        }
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-ordinance-boat-launch",
          "evidence_id": "evidence-del-valle-ordinance-boat-launch",
          "notes": "",
          "observation_id": "observation-ebrpd-ordinance-38-del-valle-boating",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "PDF pages 16, 18-19"
          ],
          "content": "Sections 501.2 and 503.4-503.9 allow car-top and trailered boats at Del Valle without size restriction; limit use to sunrise-sunset or posted hours; cap gasoline-powered boats at 10 mph; prohibit towing people and fuel/oil pollution; and regulate proximity to swim areas and swimmers.",
          "observation_id": "observation-ebrpd-ordinance-38-del-valle-boating",
          "observed_at": "2023-09-01T00:00:00+00:00",
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/sites/default/files/Ord38-09052023FINAL.pdf",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-del-valle-ordinance-boat-operating-rules",
        "evidence_ids": [
          "evidence-del-valle-ordinance-boat-operating-rules"
        ],
        "predicate": "boat_operating_rules",
        "spatial_scope_ids": [
          "scope-lake-del-valle"
        ],
        "subject_id": "lake-del-valle",
        "temporal_scope": {
          "ends_on": null,
          "starts_on": "2023-09-01"
        },
        "value": {
          "gasoline_or_oil_pollution_allowed": false,
          "hours": "sunrise_to_sunset_or_posted",
          "maximum_speed_mph": 10,
          "towed_persons_allowed": false
        }
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-ordinance-boat-operating-rules",
          "evidence_id": "evidence-del-valle-ordinance-boat-operating-rules",
          "notes": "",
          "observation_id": "observation-ebrpd-ordinance-38-del-valle-boating",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "PDF pages 16, 18-19"
          ],
          "content": "Sections 501.2 and 503.4-503.9 allow car-top and trailered boats at Del Valle without size restriction; limit use to sunrise-sunset or posted hours; cap gasoline-powered boats at 10 mph; prohibit towing people and fuel/oil pollution; and regulate proximity to swim areas and swimmers.",
          "observation_id": "observation-ebrpd-ordinance-38-del-valle-boating",
          "observed_at": "2023-09-01T00:00:00+00:00",
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/sites/default/files/Ord38-09052023FINAL.pdf",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-del-valle-smoking-prohibited",
        "evidence_ids": [
          "evidence-del-valle-smoking-prohibited",
          "evidence-ordinance38-smoking"
        ],
        "predicate": "smoking_and_vaping_allowed",
        "spatial_scope_ids": [
          "scope-del-valle-family-campground"
        ],
        "subject_id": "campground-del-valle-family",
        "temporal_scope": null,
        "value": false
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-smoking-prohibited",
          "evidence_id": "evidence-del-valle-smoking-prohibited",
          "notes": "",
          "observation_id": "observation-del-valle-fire-smoking",
          "stance": "supports"
        },
        {
          "claim_id": "claim-del-valle-smoking-prohibited",
          "evidence_id": "evidence-ordinance38-smoking",
          "notes": "Section 404.3.",
          "observation_id": "observation-ebrpd-ordinance-38-fire-smoking",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "Fire restrictions may apply. Fires are allowed only in designated areas, must use commercially purchased wood, processed logs, or cut lumber, must remain attended by an adult, and must be extinguished before departure. Collecting wood, smoking, and vaping are prohibited.",
          "observation_id": "observation-del-valle-fire-smoking",
          "observed_at": null,
          "observer": "user-supplied page transcription",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-reserveamerica-del-valle-overview-110003"
        },
        {
          "artifact_refs": [
            "PDF page 7"
          ],
          "content": "Sections 404-404.3 limit open fires to designated facilities, prohibit unattended fires, allow escalation during fire season, and prohibit smoking and vaping throughout the District.",
          "observation_id": "observation-ebrpd-ordinance-38-fire-smoking",
          "observed_at": "2023-09-01T00:00:00+00:00",
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ],
      "sources": [
        {
          "locator": "https://www.reserveamerica.com/explore/del-valle/EB/110003/overview",
          "publisher": "ReserveAmerica / East Bay Regional Park District",
          "source_id": "source-reserveamerica-del-valle-overview-110003"
        },
        {
          "locator": "https://www.ebparks.org/sites/default/files/Ord38-09052023FINAL.pdf",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-ebrpd-boat-swimmer-separation",
        "evidence_ids": [
          "evidence-ebrpd-boat-swimmer-separation"
        ],
        "predicate": "boat_swimmer_separation_feet",
        "spatial_scope_ids": [
          "scope-lake-del-valle"
        ],
        "subject_id": "lake-del-valle",
        "temporal_scope": {
          "ends_on": null,
          "starts_on": "2023-09-01"
        },
        "value": {
          "minimum": 100,
          "open_lake_del_valle_exception": "unless_otherwise_posted"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-ebrpd-boat-swimmer-separation",
          "evidence_id": "evidence-ebrpd-boat-swimmer-separation",
          "notes": "",
          "observation_id": "observation-ebrpd-ordinance-38-del-valle-boating",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "PDF pages 16, 18-19"
          ],
          "content": "Sections 501.2 and 503.4-503.9 allow car-top and trailered boats at Del Valle without size restriction; limit use to sunrise-sunset or posted hours; cap gasoline-powered boats at 10 mph; prohibit towing people and fuel/oil pollution; and regulate proximity to swim areas and swimmers.",
          "observation_id": "observation-ebrpd-ordinance-38-del-valle-boating",
          "observed_at": "2023-09-01T00:00:00+00:00",
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/sites/default/files/Ord38-09052023FINAL.pdf",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-ebrpd-campground-disturbing-devices",
        "evidence_ids": [
          "evidence-ebrpd-campground-disturbing-devices"
        ],
        "predicate": "campground_noise_devices",
        "spatial_scope_ids": [
          "scope-del-valle-family-campground"
        ],
        "subject_id": "org-east-bay-regional-park-district",
        "temporal_scope": {
          "ends_on": null,
          "starts_on": "2023-09-01"
        },
        "value": {
          "generator_or_amplification_prohibited_when_disturbing": true
        }
      },
      "evidence": [
        {
          "claim_id": "claim-ebrpd-campground-disturbing-devices",
          "evidence_id": "evidence-ebrpd-campground-disturbing-devices",
          "notes": "",
          "observation_id": "observation-ebrpd-ordinance-38-camping",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "PDF pages 5-6"
          ],
          "content": "Revised September 2023. Sections 400.1-400.6 require a valid permit in designated camping areas; limit family sites to eight occupants, 15 consecutive days and 30 days per year with a two-day break; regulate disturbing generators and sound devices; govern juveniles; and apply camping rules to tent, RV, cabin, and walk-in camping.",
          "observation_id": "observation-ebrpd-ordinance-38-camping",
          "observed_at": "2023-09-01T00:00:00+00:00",
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/sites/default/files/Ord38-09052023FINAL.pdf",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-ebrpd-campground-parking-pad",
        "evidence_ids": [
          "evidence-ebrpd-campground-parking-pad"
        ],
        "predicate": "campground_vehicle_parking",
        "spatial_scope_ids": [
          "scope-del-valle-family-campground"
        ],
        "subject_id": "org-east-bay-regional-park-district",
        "temporal_scope": {
          "ends_on": null,
          "starts_on": "2023-09-01"
        },
        "value": {
          "maximum_vehicles": 2,
          "off_paved_pad_allowed": false
        }
      },
      "evidence": [
        {
          "claim_id": "claim-ebrpd-campground-parking-pad",
          "evidence_id": "evidence-ebrpd-campground-parking-pad",
          "notes": "",
          "observation_id": "observation-ebrpd-ordinance-38-parking",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "PDF page 32"
          ],
          "content": "Section 901.1 prohibits more than two vehicles at a campground site and parking off the paved pad.",
          "observation_id": "observation-ebrpd-ordinance-38-parking",
          "observed_at": "2023-09-01T00:00:00+00:00",
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/sites/default/files/Ord38-09052023FINAL.pdf",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-ebrpd-camping-juvenile-supervision",
        "evidence_ids": [
          "evidence-ebrpd-camping-juvenile-supervision"
        ],
        "predicate": "juvenile_camping_supervision",
        "spatial_scope_ids": [
          "scope-del-valle-park"
        ],
        "subject_id": "org-east-bay-regional-park-district",
        "temporal_scope": {
          "ends_on": null,
          "starts_on": "2023-09-01"
        },
        "value": {
          "juvenile_under_age": 18,
          "juveniles_per_responsible_adult": 10,
          "parent_or_guardian_required_unless_permitted_group": true,
          "permitted_group_adult_minimum_age": 21
        }
      },
      "evidence": [
        {
          "claim_id": "claim-ebrpd-camping-juvenile-supervision",
          "evidence_id": "evidence-ebrpd-camping-juvenile-supervision",
          "notes": "",
          "observation_id": "observation-ebrpd-ordinance-38-camping",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "PDF pages 5-6"
          ],
          "content": "Revised September 2023. Sections 400.1-400.6 require a valid permit in designated camping areas; limit family sites to eight occupants, 15 consecutive days and 30 days per year with a two-day break; regulate disturbing generators and sound devices; govern juveniles; and apply camping rules to tent, RV, cabin, and walk-in camping.",
          "observation_id": "observation-ebrpd-ordinance-38-camping",
          "observed_at": "2023-09-01T00:00:00+00:00",
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/sites/default/files/Ord38-09052023FINAL.pdf",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-ebrpd-camping-permit-required",
        "evidence_ids": [
          "evidence-ebrpd-camping-permit-required"
        ],
        "predicate": "camping_authorization",
        "spatial_scope_ids": [
          "scope-del-valle-park"
        ],
        "subject_id": "org-east-bay-regional-park-district",
        "temporal_scope": {
          "ends_on": null,
          "starts_on": "2023-09-01"
        },
        "value": {
          "covered_types": [
            "tent",
            "rv",
            "cabin",
            "walk_in"
          ],
          "designated_areas_only": true,
          "valid_district_permit_required": true
        }
      },
      "evidence": [
        {
          "claim_id": "claim-ebrpd-camping-permit-required",
          "evidence_id": "evidence-ebrpd-camping-permit-required",
          "notes": "",
          "observation_id": "observation-ebrpd-ordinance-38-camping",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "PDF pages 5-6"
          ],
          "content": "Revised September 2023. Sections 400.1-400.6 require a valid permit in designated camping areas; limit family sites to eight occupants, 15 consecutive days and 30 days per year with a two-day break; regulate disturbing generators and sound devices; govern juveniles; and apply camping rules to tent, RV, cabin, and walk-in camping.",
          "observation_id": "observation-ebrpd-ordinance-38-camping",
          "observed_at": "2023-09-01T00:00:00+00:00",
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/sites/default/files/Ord38-09052023FINAL.pdf",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ]
    },
    {
      "claim": {
        "claim_id": "claim-ebrpd-developed-area-dog-restraint",
        "evidence_ids": [
          "evidence-ebrpd-developed-area-dog-restraint"
        ],
        "predicate": "developed_area_dog_restraint",
        "spatial_scope_ids": [
          "scope-del-valle-family-campground"
        ],
        "subject_id": "org-east-bay-regional-park-district",
        "temporal_scope": {
          "ends_on": null,
          "starts_on": "2023-09-01"
        },
        "value": {
          "campground_attended": true,
          "campground_confinement_alternative": true,
          "leash_required": true,
          "maximum_dogs_per_person": 3,
          "maximum_leash_feet": 6
        }
      },
      "evidence": [
        {
          "claim_id": "claim-ebrpd-developed-area-dog-restraint",
          "evidence_id": "evidence-ebrpd-developed-area-dog-restraint",
          "notes": "",
          "observation_id": "observation-ebrpd-ordinance-38-dogs",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "PDF pages 25-27"
          ],
          "content": "Sections 801.1-801.3 prohibit dog swimming at Lake Del Valle from Oak Point north to the East Marina; require leashes in developed areas including campgrounds; cap leashes at six feet and dogs at three per person; and require campground animals to be attended and leashed or confined.",
          "observation_id": "observation-ebrpd-ordinance-38-dogs",
          "observed_at": "2023-09-01T00:00:00+00:00",
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/sites/default/files/Ord38-09052023FINAL.pdf",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "campground-del-valle-family",
      "kind": "campground",
      "name": "Del Valle Family Campground"
    },
    {
      "entity_id": "lake-del-valle",
      "kind": "lake",
      "name": "Lake Del Valle"
    },
    {
      "entity_id": "org-east-bay-regional-park-district",
      "kind": "organization",
      "name": "East Bay Regional Park District"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-ebrpd-ordinance-38-del-valle",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/sources/source-ebrpd-ordinance-38-september-2023.json",
      "reason": "Add September 2023 Ordinance 38 as primary regulatory evidence for Del Valle planning.",
      "record_id": "source-ebrpd-ordinance-38-september-2023",
      "record_type": "source",
      "summary": "Ingest the Ordinance 38 landing page and September 2023 PDF, separating district-wide and Del Valle-specific rules."
    }
  ],
  "navigation": {
    "next_id": "source-ebrpd-oyster-bay-park-page",
    "position": 69,
    "previous_id": "source-ebrpd-ordinance-38-page",
    "total": 587
  },
  "observations": [
    {
      "artifact_refs": [
        "PDF pages 5-6"
      ],
      "content": "Revised September 2023. Sections 400.1-400.6 require a valid permit in designated camping areas; limit family sites to eight occupants, 15 consecutive days and 30 days per year with a two-day break; regulate disturbing generators and sound devices; govern juveniles; and apply camping rules to tent, RV, cabin, and walk-in camping.",
      "observation_id": "observation-ebrpd-ordinance-38-camping",
      "observed_at": "2023-09-01T00:00:00+00:00",
      "observer": "Wayproof source review",
      "retrieved_at": "2026-09-20T00:00:00+00:00",
      "source_id": "source-ebrpd-ordinance-38-september-2023"
    },
    {
      "artifact_refs": [
        "PDF pages 16, 18-19"
      ],
      "content": "Sections 501.2 and 503.4-503.9 allow car-top and trailered boats at Del Valle without size restriction; limit use to sunrise-sunset or posted hours; cap gasoline-powered boats at 10 mph; prohibit towing people and fuel/oil pollution; and regulate proximity to swim areas and swimmers.",
      "observation_id": "observation-ebrpd-ordinance-38-del-valle-boating",
      "observed_at": "2023-09-01T00:00:00+00:00",
      "observer": "Wayproof source review",
      "retrieved_at": "2026-09-20T00:00:00+00:00",
      "source_id": "source-ebrpd-ordinance-38-september-2023"
    },
    {
      "artifact_refs": [
        "PDF pages 25-27"
      ],
      "content": "Sections 801.1-801.3 prohibit dog swimming at Lake Del Valle from Oak Point north to the East Marina; require leashes in developed areas including campgrounds; cap leashes at six feet and dogs at three per person; and require campground animals to be attended and leashed or confined.",
      "observation_id": "observation-ebrpd-ordinance-38-dogs",
      "observed_at": "2023-09-01T00:00:00+00:00",
      "observer": "Wayproof source review",
      "retrieved_at": "2026-09-20T00:00:00+00:00",
      "source_id": "source-ebrpd-ordinance-38-september-2023"
    },
    {
      "artifact_refs": [
        "PDF page 7"
      ],
      "content": "Sections 404-404.3 limit open fires to designated facilities, prohibit unattended fires, allow escalation during fire season, and prohibit smoking and vaping throughout the District.",
      "observation_id": "observation-ebrpd-ordinance-38-fire-smoking",
      "observed_at": "2023-09-01T00:00:00+00:00",
      "observer": "Wayproof source review",
      "retrieved_at": "2026-09-20T00:00:00+00:00",
      "source_id": "source-ebrpd-ordinance-38-september-2023"
    },
    {
      "artifact_refs": [
        "PDF page 32"
      ],
      "content": "Section 901.1 prohibits more than two vehicles at a campground site and parking off the paved pad.",
      "observation_id": "observation-ebrpd-ordinance-38-parking",
      "observed_at": "2023-09-01T00:00:00+00:00",
      "observer": "Wayproof source review",
      "retrieved_at": "2026-09-20T00:00:00+00:00",
      "source_id": "source-ebrpd-ordinance-38-september-2023"
    }
  ],
  "record": {
    "locator": "https://www.ebparks.org/sites/default/files/Ord38-09052023FINAL.pdf",
    "publisher": "East Bay Regional Park District",
    "source_id": "source-ebrpd-ordinance-38-september-2023"
  },
  "record_type": "source",
  "related_records": [],
  "sources": [
    {
      "locator": "https://www.ebparks.org/sites/default/files/Ord38-09052023FINAL.pdf",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-ordinance-38-september-2023"
    }
  ]
}