{"id":"9972b41b-c764-47d6-a23b-7763f141a89f","created_at":"2025-09-04T14:41:57.896Z","updated_at":"2026-01-20T21:03:26.522Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"acfdfc84-6d26-4338-9f55-e431840c0e8a","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2018-06-12T04:00:00.000Z","observed_at_local":"2018-06-12T00:00:00-04:00","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_kjeldahl_nitrogen","e_coli","total_phosphorus"],"photos":[],"permalink":"https://data.waterrangers.com/observations/166894","readings":[{"id":"af4d3af9-4f18-423e-ad27-aacebc1667e2","created_at":"2025-09-04T14:41:58.117Z","updated_at":"2025-09-04T14:41:58.117Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"0.31","equipment":"lab_unspecified","equipment_limit":null},{"id":"5831b660-2ae3-4b58-a2b2-4de9578c338c","created_at":"2025-09-04T14:41:58.005Z","updated_at":"2025-11-19T15:02:42.142Z","parameter":"e_coli","unit":"cfu_per_100ml","value":"0","equipment":"other_ecoli_lab","equipment_limit":"<="},{"id":"d96becd6-49af-4c5d-a575-587ef75dc7b9","created_at":"2025-09-04T14:41:58.021Z","updated_at":"2025-11-19T15:02:42.142Z","parameter":"total_phosphorus","unit":"ppb","value":"0","equipment":"unspecified_total_phosphorus","equipment_limit":"<="}]}