{"id":"fa3bc70e-d03a-4df9-8959-d78f04ffbb77","created_at":"2025-09-04T14:44:27.727Z","updated_at":"2026-01-20T21:04:06.788Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"77fe220d-cc92-4229-8218-e5b1447ad389","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2018-05-14T04:00:00.000Z","observed_at_local":"2018-05-14T00:00:00-04:00","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/167142","readings":[{"id":"3b4489fe-a0ef-4399-9810-b98c4221affc","created_at":"2025-09-04T14:44:27.817Z","updated_at":"2025-09-04T14:44:27.817Z","parameter":"total_phosphorus","unit":"ppb","value":"0.02","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"8af714ac-7fc9-426e-b492-cb43ec0587f7","created_at":"2025-09-04T14:44:27.827Z","updated_at":"2025-09-04T14:44:27.827Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"0.52","equipment":"lab_unspecified","equipment_limit":null}]}