{"id":"d641ab32-a637-4643-9ec8-60fe502e3184","created_at":"2025-09-04T14:25:46.495Z","updated_at":"2026-01-20T20:44:25.956Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"e28e69e7-894f-4dd7-bde0-577f0c4146a1","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2008-06-18T04:00:00.000Z","observed_at_local":"2008-06-18T00:00:00-04:00","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":["secchi_depth","total_phosphorus","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/161495","readings":[{"id":"b54e1f12-cd54-48f3-b66c-f7c94be40883","created_at":"2025-09-04T14:25:46.543Z","updated_at":"2025-09-04T14:25:46.543Z","parameter":"secchi_depth","unit":"m","value":"6","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"ad6b9249-2aaa-4a5a-b8b3-eca36bfbc462","created_at":"2025-09-04T14:25:46.556Z","updated_at":"2025-09-04T14:25:46.556Z","parameter":"total_phosphorus","unit":"ppb","value":"5","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"77f717b4-86bf-41be-be29-dcfdb3f27404","created_at":"2025-09-04T14:25:46.563Z","updated_at":"2025-09-04T14:25:46.563Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"350","equipment":"lab_unspecified","equipment_limit":null}]}