{"id":"a8d099aa-3998-4ea1-9e9c-6b09ebc6c26c","created_at":"2025-09-04T14:23:15.495Z","updated_at":"2026-01-20T20:37:58.371Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"3c8dc38c-b34f-468d-a6cd-37295c229b56","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2005-08-18T04:00:00.000Z","observed_at_local":"2005-08-18T00:00:00-04:00","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/160226","readings":[{"id":"ec6d73f3-f9ec-4666-a8f4-92a8a318acde","created_at":"2025-09-04T14:23:15.561Z","updated_at":"2025-09-04T14:23:15.561Z","parameter":"total_phosphorus","unit":"ppb","value":"8","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"ebd711ea-0aa7-4b44-abea-eba48f522383","created_at":"2025-09-04T14:23:15.570Z","updated_at":"2025-09-04T14:23:15.570Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"330","equipment":"lab_unspecified","equipment_limit":null}]}