{"id":"3cb2b987-f3dd-479b-a5d6-ea5b2fc4d66b","created_at":"2025-09-04T14:22:57.633Z","updated_at":"2026-01-20T20:37:26.710Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"861e954a-0521-433e-b93f-a0939a904bac","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2011-07-07T04:00:00.000Z","observed_at_local":"2011-07-07T00:00:00-04:00","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/160066","readings":[{"id":"359e02c9-8a1b-4ac0-8609-93b4b7cfb784","created_at":"2025-09-04T14:22:57.679Z","updated_at":"2025-09-04T14:22:57.679Z","parameter":"total_phosphorus","unit":"ppb","value":"4","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"8200cbed-3fe2-4783-a02f-0715d107e08f","created_at":"2025-09-04T14:22:57.687Z","updated_at":"2025-09-04T14:22:57.687Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"310","equipment":"lab_unspecified","equipment_limit":null}]}