{"id":"213cc18f-75d8-45f2-b4b4-0a19795f8c2b","created_at":"2025-09-04T14:30:21.539Z","updated_at":"2026-01-20T20:52:18.307Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"85eec432-2d3e-4720-a449-7388ab2af990","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2005-06-22T04:00:00.000Z","observed_at_local":"2005-06-22T00:00:00-04:00","notes":null,"checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["total_phosphorus","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/163518","readings":[{"id":"42dbb3fe-ecf5-4eff-a30f-4af12dde6536","created_at":"2025-09-04T14:30:21.601Z","updated_at":"2025-09-04T14:30:21.601Z","parameter":"total_phosphorus","unit":"ppb","value":"24","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"c1ef1b82-60eb-4742-94bc-337fba8eb8ab","created_at":"2025-09-04T14:30:21.614Z","updated_at":"2025-09-04T14:30:21.614Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"420","equipment":"lab_unspecified","equipment_limit":null}]}