{"id":"4a773e78-4a67-46a4-b686-98acfbb75bba","created_at":"2025-09-04T14:41:23.820Z","updated_at":"2026-01-20T21:03:09.140Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"3e647c2b-8ac9-4a33-b711-00e18626abbb","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2018-10-30T04:00:00.000Z","observed_at_local":"2018-10-30T00:00:00-04:00","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/166788","readings":[{"id":"494caa28-9ee2-421d-8521-c71a011dbd5b","created_at":"2025-09-04T14:41:23.888Z","updated_at":"2025-09-04T14:41:23.888Z","parameter":"total_phosphorus","unit":"ppb","value":"0.02","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"dc1958bd-1a3a-413f-b65f-620b17a26343","created_at":"2025-09-04T14:41:24.080Z","updated_at":"2025-09-04T14:41:24.080Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"0.4","equipment":"lab_unspecified","equipment_limit":null}]}