{"id":"80fcce1a-75b5-4b78-95d0-fcc9c4c4a221","created_at":"2025-09-04T14:23:46.165Z","updated_at":"2026-01-20T20:38:43.193Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"5da4f454-23ba-4dfd-98bd-96be2ea765e7","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2003-09-17T04:00:00.000Z","observed_at_local":"2003-09-17T00:00:00-04:00","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/160475","readings":[{"id":"954d9c6b-bb7b-439b-adeb-ea22ca794196","created_at":"2025-09-04T14:23:46.235Z","updated_at":"2025-09-04T14:23:46.235Z","parameter":"total_phosphorus","unit":"ppb","value":"13","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"4533df7e-ae72-4a82-aaac-b5382df5cd96","created_at":"2025-09-04T14:23:46.244Z","updated_at":"2025-09-04T14:23:46.244Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"530","equipment":"lab_unspecified","equipment_limit":null}]}