{"id":"cd40a1eb-ed5d-478d-9707-d1a9f2229527","created_at":"2025-09-04T14:40:51.104Z","updated_at":"2026-01-20T21:02:50.231Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"f5d8a0a3-c224-4308-9ea1-856cba2b21c8","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2018-06-27T04:00:00.000Z","observed_at_local":"2018-06-27T00:00:00-04:00","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/166672","readings":[{"id":"aad0e70b-e7c6-4935-aaeb-e5c20e8fe43d","created_at":"2025-09-04T14:40:51.186Z","updated_at":"2025-09-04T14:40:51.186Z","parameter":"total_phosphorus","unit":"ppb","value":"0.01","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"2c93f2a8-4ef6-4998-a583-7ef5ff76e9b8","created_at":"2025-09-04T14:40:51.199Z","updated_at":"2025-09-04T14:40:51.199Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"0.11","equipment":"lab_unspecified","equipment_limit":null}]}