{
  "answerability": "evidence_backed_claims_available",
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    {
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        "evidence_ids": [
          "evidence-del-valle-backpacking-reservation"
        ],
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        "spatial_scope_ids": [
          "scope-del-valle-park"
        ],
        "subject_id": "org-east-bay-regional-park-district",
        "temporal_scope": null,
        "value": {
          "channel": "phone",
          "minimum_advance_hours": 48
        }
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-backpacking-reservation",
          "evidence_id": "evidence-del-valle-backpacking-reservation",
          "notes": "The booking-platform notice supplies both the channel and minimum lead time.",
          "observation_id": "observation-del-valle-backpacking-reservation",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "IMPORTANT INFORMATION notice"
          ],
          "content": "The live page says backpacking reservations must be made by phone through EBRPD Reservations at least 48 hours in advance.",
          "observation_id": "observation-del-valle-backpacking-reservation",
          "observed_at": null,
          "observer": "Wayproof live Chrome source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-reserveamerica-del-valle-overview-110003"
        }
      ],
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        {
          "locator": "https://www.reserveamerica.com/explore/del-valle/EB/110003/overview",
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      ],
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        "entity_id": "org-east-bay-regional-park-district",
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        "name": "East Bay Regional Park District"
      }
    },
    {
      "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"
        ],
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          "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",
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        }
      ],
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        {
          "artifact_refs": [
            "PDF pages 5-6"
          ],
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          "observation_id": "observation-ebrpd-ordinance-38-camping",
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          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ],
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        {
          "locator": "https://www.ebparks.org/sites/default/files/Ord38-09052023FINAL.pdf",
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          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ],
      "subject": {
        "entity_id": "org-east-bay-regional-park-district",
        "kind": "organization",
        "name": "East Bay Regional Park District"
      }
    },
    {
      "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",
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        }
      ],
      "subject": {
        "entity_id": "org-east-bay-regional-park-district",
        "kind": "organization",
        "name": "East Bay Regional Park District"
      }
    },
    {
      "claim": {
        "claim_id": "claim-ebrpd-camping-permit-required",
        "evidence_ids": [
          "evidence-ebrpd-camping-permit-required"
        ],
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          "scope-del-valle-park"
        ],
        "subject_id": "org-east-bay-regional-park-district",
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          "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": "",
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        }
      ],
      "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.",
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          "source_id": "source-ebrpd-ordinance-38-september-2023"
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      ],
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        {
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          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ],
      "subject": {
        "entity_id": "org-east-bay-regional-park-district",
        "kind": "organization",
        "name": "East Bay Regional Park District"
      }
    },
    {
      "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"
        }
      ],
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        "entity_id": "org-east-bay-regional-park-district",
        "kind": "organization",
        "name": "East Bay Regional Park District"
      }
    },
    {
      "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",
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          "source_id": "source-ebrpd-ordinance-38-september-2023"
        }
      ],
      "subject": {
        "entity_id": "org-east-bay-regional-park-district",
        "kind": "organization",
        "name": "East Bay Regional Park District"
      }
    },
    {
      "claim": {
        "claim_id": "claim-ebrpd-swimming-registration-applicability",
        "evidence_ids": [
          "evidence-ebrpd-swimming-registration-applicability"
        ],
        "predicate": "optional_swim_registration",
        "spatial_scope_ids": [
          "scope-ebrpd-water-quality-program"
        ],
        "subject_id": "org-east-bay-regional-park-district",
        "temporal_scope": null,
        "value": {
          "named_facilities": [
            "Castle Rock/Diablo Foothills",
            "Cull Canyon",
            "Don Castro"
          ],
          "pass_hours": [
            "11:00",
            "18:00"
          ],
          "people_per_registration": 5,
          "price_usd": 6,
          "refundable": false,
          "transferable": false,
          "water_exit": "17:30"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-ebrpd-swimming-registration-applicability",
          "evidence_id": "evidence-ebrpd-swimming-registration-applicability",
          "notes": "",
          "observation_id": "observation-ebrpd-swimming-district-registration",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "EBRPD describes six lakefront beaches, two chlorinated lagoons, two pools, and two bay beaches. Walk-ins at open facilities are first-come until capacity. Optional weekend/holiday registration is named only for Castle Rock/Diablo Foothills, Cull Canyon, and Don Castro; registered sessions cost $6 per person, limit each registration to five entrants, and run 11 AM-6 PM with water exit at 5:30 PM.",
          "observation_id": "observation-ebrpd-swimming-district-registration",
          "observed_at": null,
          "observer": "user-supplied page transcription",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-swimming"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/recreation/swimming",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-swimming"
        }
      ],
      "subject": {
        "entity_id": "org-east-bay-regional-park-district",
        "kind": "organization",
        "name": "East Bay Regional Park District"
      }
    },
    {
      "claim": {
        "claim_id": "claim-del-valle-reservation-administration",
        "evidence_ids": [
          "evidence-del-valle-reservation-administration"
        ],
        "predicate": "reservation_change_and_cancellation_channels",
        "spatial_scope_ids": [
          "scope-del-valle-park"
        ],
        "subject_id": "org-east-bay-regional-park-district",
        "temporal_scope": null,
        "value": {
          "email_accepted_for_changes_or_cancellations": false,
          "family_cancellation": "online_or_phone",
          "family_change": "phone_only",
          "group_backpacking_equestrian_change_or_cancellation": "phone_only",
          "phone_hours": "09:00-16:00 Pacific, Monday-Friday, excluding holidays"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-del-valle-reservation-administration",
          "evidence_id": "evidence-del-valle-reservation-administration",
          "notes": "ReserveAmerica republishes EBRPD reservation-channel instructions on the live facility page.",
          "observation_id": "observation-del-valle-reservation-administration",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "IMPORTANT INFORMATION and ATTENTION notices"
          ],
          "content": "The live page says family campsite reservations may be canceled online, but family changes and backpacking, equestrian, or group changes and cancellations require a phone call during weekday reservation-office hours. Email is not accepted for cancellations or change requests.",
          "observation_id": "observation-del-valle-reservation-administration",
          "observed_at": null,
          "observer": "Wayproof live Chrome source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-reserveamerica-del-valle-overview-110003"
        }
      ],
      "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"
        }
      ],
      "subject": {
        "entity_id": "org-east-bay-regional-park-district",
        "kind": "organization",
        "name": "East Bay Regional Park District"
      }
    },
    {
      "claim": {
        "claim_id": "claim-ebrpd-camping-release-policy",
        "evidence_ids": [
          "evidence-ebrpd-camping-release-policy"
        ],
        "predicate": "reservation_release_policy",
        "spatial_scope_ids": [
          "scope-del-valle-park"
        ],
        "subject_id": "org-east-bay-regional-park-district",
        "temporal_scope": null,
        "value": {
          "family_and_cabin": "rolling_12_weeks",
          "group_and_backpacking": "six_month_blocks_phone_only",
          "opening_day_max_reservations_per_call": 2
        }
      },
      "evidence": [
        {
          "claim_id": "claim-ebrpd-camping-release-policy",
          "evidence_id": "evidence-ebrpd-camping-release-policy",
          "notes": "",
          "observation_id": "observation-ebrpd-camping-release",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "District family and cabin inventory is released on a rolling twelve-week window. Group and backpack inventory is released in six-month blocks by phone, with at most two reservations per opening-date call.",
          "observation_id": "observation-ebrpd-camping-release",
          "observed_at": null,
          "observer": "Wayproof source review",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-camping"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/recreation/camping",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-camping"
        }
      ],
      "subject": {
        "entity_id": "org-east-bay-regional-park-district",
        "kind": "organization",
        "name": "East Bay Regional Park District"
      }
    }
  ],
  "entity": {
    "entity_id": "org-east-bay-regional-park-district",
    "kind": "organization",
    "name": "East Bay Regional Park District"
  },
  "gap_details": [
    {
      "claims": [
        {
          "claim": {
            "claim_id": "claim-del-valle-generators-prohibited",
            "evidence_ids": [
              "evidence-del-valle-generators-prohibited"
            ],
            "predicate": "generators_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-generators-prohibited",
              "evidence_id": "evidence-del-valle-generators-prohibited",
              "notes": "",
              "observation_id": "observation-del-valle-quiet-generators",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "Quiet hours are 10:00 PM to 7:00 AM. The page prohibits generators, including a separate statement that gas generators are not allowed.",
              "observation_id": "observation-del-valle-quiet-generators",
              "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"
            }
          ],
          "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"
            }
          ]
        },
        {
          "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"
            }
          ]
        }
      ],
      "entities": [
        {
          "entity_id": "campground-del-valle-family",
          "kind": "campground",
          "name": "Del Valle Family Campground"
        },
        {
          "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/gaps/gap-del-valle-generator-rule-layering.json",
          "reason": "Add September 2023 Ordinance 38 as primary regulatory evidence for Del Valle planning.",
          "record_id": "gap-del-valle-generator-rule-layering",
          "record_type": "gap",
          "summary": "Ingest the Ordinance 38 landing page and September 2023 PDF, separating district-wide and Del Valle-specific rules."
        }
      ],
      "navigation": {
        "next_id": "gap-del-valle-lifeguard-schedule-year",
        "position": 13,
        "previous_id": "gap-del-valle-family-site-inventory-conflict",
        "total": 299
      },
      "observations": [
        {
          "artifact_refs": [],
          "content": "Quiet hours are 10:00 PM to 7:00 AM. The page prohibits generators, including a separate statement that gas generators are not allowed.",
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