{"id":"d2359a2b-490a-4253-9d2d-810bf93f9733","created_at":"2025-09-04T14:44:00.121Z","updated_at":"2026-01-20T21:03:58.800Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"65980120-8853-4887-894d-ba217d93cd70","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2018-06-21T04:00:00.000Z","observed_at_local":"2018-06-21T00:00:00-04:00","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","total_phosphorus","e_coli"],"photos":[],"permalink":"https://data.waterrangers.com/observations/167093","readings":[{"id":"864f4c2a-40ca-4739-9442-2592c5366760","created_at":"2025-09-04T14:44:00.348Z","updated_at":"2025-09-04T14:44:00.348Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"0.27","equipment":"lab_unspecified","equipment_limit":null},{"id":"02ad717c-d5ee-4347-a565-c138e5316326","created_at":"2025-09-04T14:44:00.337Z","updated_at":"2025-11-19T15:02:42.142Z","parameter":"total_phosphorus","unit":"ppb","value":"0","equipment":"unspecified_total_phosphorus","equipment_limit":"<="},{"id":"328c7f91-e8b9-49d0-804a-fd1604fb36d3","created_at":"2025-09-04T14:44:00.288Z","updated_at":"2025-11-19T15:02:42.142Z","parameter":"e_coli","unit":"cfu_per_100ml","value":"0","equipment":"other_ecoli_lab","equipment_limit":"<="}]}