{"id":"f9262081-4f23-47eb-a1e6-1625cecd2f2c","created_at":"2025-09-04T14:37:34.000Z","updated_at":"2026-01-20T21:01:05.692Z","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":"2015-08-19T04:00:00.000Z","observed_at_local":"2015-08-19T00:00:00-04:00","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/166138","readings":[{"id":"1ee7204d-a431-44ab-a9b2-aa8ee5c9525d","created_at":"2025-09-04T14:37:34.153Z","updated_at":"2025-09-04T14:37:34.153Z","parameter":"total_phosphorus","unit":"ppb","value":"19","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"0b3a0c67-dab5-4225-ad01-df31750b41fd","created_at":"2025-09-04T14:37:34.163Z","updated_at":"2025-09-04T14:37:34.163Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"200","equipment":"lab_unspecified","equipment_limit":null}]}