{
  "answerability": "evidence_backed_claims_available",
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    {
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        "claim_id": "claim-contra-loma-reservoir-water-quality-20260922",
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          "evidence-contra-loma-reservoir-water-quality-20260922"
        ],
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        }
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          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [
            "Water Quality Notices table"
          ],
          "content": "The live Current Water Quality Conditions table reported the location-specific advisory states represented by the associated claims.",
          "observation_id": "observation-ebrpd-current-water-quality-20260922",
          "observed_at": null,
          "observer": "Wayproof live source review",
          "retrieved_at": "2026-09-22T21:00:00+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"
        }
      ],
      "subject": {
        "entity_id": "reservoir-contra-loma",
        "kind": "reservoir",
        "name": "Contra Loma Reservoir"
      }
    }
  ],
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    "kind": "reservoir",
    "name": "Contra Loma Reservoir"
  },
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    {
      "action": "ADD",
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      "knowledge_gap_refs": [],
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      "record_type": "entity",
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    },
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      "action": "ADD",
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      "evidence_refs": [],
      "knowledge_gap_refs": [],
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      "reason": "Materialize a distinct monitored water location or its volatile official status.",
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      "record_type": "claim",
      "summary": "Materialize the current EBRPD water-quality status matrix by monitored location."
    }
  ],
  "journey": [],
  "knowledge_gaps": [],
  "reference_evidence": [],
  "relationships": [],
  "route_geometry": null,
  "route_geometry_url": null,
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}