{"id":"0f586111-7ce7-4dc3-a4ff-869264926b09","created_at":"2025-09-04T14:26:46.467Z","updated_at":"2026-01-20T20:46:15.238Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"233a5d9c-813e-4cee-851d-ea660f6bd4a2","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2015-08-18T04:00:00.000Z","observed_at_local":"2015-08-18T00:00:00-04:00","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/161993","readings":[{"id":"a2fff713-9dad-417c-b8d1-948575d7abc2","created_at":"2025-09-04T14:26:46.508Z","updated_at":"2025-09-04T14:26:46.508Z","parameter":"total_phosphorus","unit":"ppb","value":"8","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"988325cc-f7ef-4d56-b2bf-e1a491b5221a","created_at":"2025-09-04T14:26:46.517Z","updated_at":"2025-09-04T14:26:46.517Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"450","equipment":"lab_unspecified","equipment_limit":null}]}