{"id":"3c5cb394-5094-419b-8d1a-449667150c7a","created_at":"2025-09-04T14:38:07.911Z","updated_at":"2026-01-20T21:01:24.978Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"1ebfb618-4719-4336-8d7f-fa7b3215e501","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-09-30T16:00:00.000Z","observed_at_local":"2016-09-30T12:00:00-04:00","notes":"Sample: B16-31978-21","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/166246","readings":[{"id":"4ceb3df4-0e59-4503-80ca-b49cb1fa9b83","created_at":"2025-09-04T14:38:07.977Z","updated_at":"2025-09-04T14:38:07.977Z","parameter":"total_phosphorus","unit":"ppb","value":"12","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"05921e5c-3e8d-4f61-8ecc-c2f5913c5f13","created_at":"2025-09-04T14:38:07.993Z","updated_at":"2025-09-04T14:38:07.993Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"490","equipment":"lab_unspecified","equipment_limit":null}]}