{"id":"c9baf27b-1a2b-4136-b4fb-3d16b57535c6","created_at":"2025-09-04T14:23:30.676Z","updated_at":"2026-01-20T20:38:18.656Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d45dbb27-58c3-4d7c-ba2a-14ef65b19271","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2015-08-25T04:00:00.000Z","observed_at_local":"2015-08-25T00:00:00-04:00","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/160340","readings":[{"id":"9fc664e0-6af3-41bc-8e71-fb26793c1fa3","created_at":"2025-09-04T14:23:30.769Z","updated_at":"2025-09-04T14:23:30.769Z","parameter":"total_phosphorus","unit":"ppb","value":"5","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"925e6427-5fa9-46c1-b1a9-b6fc062afc79","created_at":"2025-09-04T14:23:30.797Z","updated_at":"2025-09-04T14:23:30.797Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"420","equipment":"lab_unspecified","equipment_limit":null}]}