{
  "claims": [
    {
      "claim": {
        "claim_id": "claim-ebrpd-water-quality-traffic-light",
        "evidence_ids": [
          "evidence-ebrpd-water-quality-traffic-light"
        ],
        "predicate": "bacterial_stoplight_meanings",
        "spatial_scope_ids": [
          "scope-ebrpd-water-quality-program"
        ],
        "subject_id": "program-ebrpd-hab-monitoring",
        "temporal_scope": null,
        "value": {
          "green": "indicator_results_below_maximums_meet_state_standards",
          "indicators": [
            "total_coliform",
            "fecal_coliform",
            "Enterococcus",
            "E_coli"
          ],
          "red": "beach_closed_for_water_quality_issue",
          "yellow": "one_or_more_indicators_exceed_daily_maximum"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-ebrpd-water-quality-traffic-light",
          "evidence_id": "evidence-ebrpd-water-quality-traffic-light",
          "notes": "",
          "observation_id": "observation-ebrpd-water-quality-traffic-light",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "California swim-water evaluation uses total coliform, fecal coliform, Enterococcus, and E. coli indicators. Green means results are below maximums and meet state standards; yellow means one or more indicators exceeds a daily maximum; red means the beach is closed for a water-quality issue and visitors must not enter.",
          "observation_id": "observation-ebrpd-water-quality-traffic-light",
          "observed_at": null,
          "observer": "user-supplied page transcription",
          "retrieved_at": "2026-09-20T00:00:00+00:00",
          "source_id": "source-ebrpd-current-water-quality"
        }
      ],
      "sources": [
        {
          "locator": "https://www.ebparks.org/natural-resources/water-quality",
          "publisher": "East Bay Regional Park District",
          "source_id": "source-ebrpd-current-water-quality"
        }
      ]
    }
  ],
  "entities": [
    {
      "entity_id": "program-ebrpd-hab-monitoring",
      "kind": "monitoring_program",
      "name": "EBRPD Harmful Algal Bloom Monitoring Program"
    }
  ],
  "history": [
    {
      "action": "ADD",
      "change_set_id": "wp-20260920-ebrpd-del-valle-swimming",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/gaps/gap-del-valle-stoplight-meanings.json",
      "reason": "Add district-wide and Del Valle-specific swimming evidence with explicit applicability.",
      "record_id": "gap-del-valle-stoplight-meanings",
      "record_type": "gap",
      "summary": "Add two linked EBRPD swimming sources while keeping district registration rules separate from Del Valle-specific schedules, safety, fees, and current conditions."
    },
    {
      "action": "REPLACE",
      "change_set_id": "wp-20260920-ebrpd-water-quality-stoplight",
      "evidence_refs": [],
      "knowledge_gap_refs": [],
      "path": "canonical/v0/gaps/gap-del-valle-stoplight-meanings.json",
      "reason": "Add EBRPD bacterial water-quality stop-light evidence and narrow the remaining algae interaction gap.",
      "record_id": "gap-del-valle-stoplight-meanings",
      "record_type": "gap",
      "summary": "Define EBRPD bacterial traffic-light meanings without treating green as overriding algae advisories or other closures."
    }
  ],
  "navigation": {
    "next_id": "gap-del-valle-swimming-parking-fee",
    "position": 22,
    "previous_id": "gap-del-valle-site-coordinates-unpublished",
    "total": 299
  },
  "observations": [
    {
      "artifact_refs": [],
      "content": "California swim-water evaluation uses total coliform, fecal coliform, Enterococcus, and E. coli indicators. Green means results are below maximums and meet state standards; yellow means one or more indicators exceeds a daily maximum; red means the beach is closed for a water-quality issue and visitors must not enter.",
      "observation_id": "observation-ebrpd-water-quality-traffic-light",
      "observed_at": null,
      "observer": "user-supplied page transcription",
      "retrieved_at": "2026-09-20T00:00:00+00:00",
      "source_id": "source-ebrpd-current-water-quality"
    }
  ],
  "record": {
    "gap_id": "gap-del-valle-stoplight-meanings",
    "question": "How do Del Valle algae advisory levels combine with the now-defined bacterial traffic-light designation?",
    "reason": "Green/yellow/red bacterial meanings are now defined, but the source does not explain how a simultaneous algae Caution or Danger changes allowed activities.",
    "related_ids": [
      "claim-ebrpd-water-quality-traffic-light",
      "gap-ebrpd-algae-advisory-level-actions"
    ]
  },
  "record_type": "gap",
  "related_records": [
    {
      "record": {
        "claim_id": "claim-ebrpd-water-quality-traffic-light",
        "evidence_ids": [
          "evidence-ebrpd-water-quality-traffic-light"
        ],
        "predicate": "bacterial_stoplight_meanings",
        "spatial_scope_ids": [
          "scope-ebrpd-water-quality-program"
        ],
        "subject_id": "program-ebrpd-hab-monitoring",
        "temporal_scope": null,
        "value": {
          "green": "indicator_results_below_maximums_meet_state_standards",
          "indicators": [
            "total_coliform",
            "fecal_coliform",
            "Enterococcus",
            "E_coli"
          ],
          "red": "beach_closed_for_water_quality_issue",
          "yellow": "one_or_more_indicators_exceed_daily_maximum"
        }
      },
      "record_id": "claim-ebrpd-water-quality-traffic-light",
      "record_type": "claim"
    },
    {
      "record": {
        "gap_id": "gap-ebrpd-algae-advisory-level-actions",
        "question": "Which activities are allowed or prohibited at each EBRPD algae advisory level?",
        "reason": "This page gives general health guidance but does not define the operational rules for Caution versus Danger; the linked beach-conditions material is still needed.",
        "related_ids": [
          "claim-ebrpd-algae-human-exposure",
          "claim-ebrpd-algae-dog-exposure",
          "claim-ebrpd-algae-advisory-fish-guidance",
          "claim-del-valle-ebrpd-east-beach-algae"
        ]
      },
      "record_id": "gap-ebrpd-algae-advisory-level-actions",
      "record_type": "gap"
    }
  ],
  "sources": [
    {
      "locator": "https://www.ebparks.org/natural-resources/water-quality",
      "publisher": "East Bay Regional Park District",
      "source_id": "source-ebrpd-current-water-quality"
    }
  ]
}