{"id":"8ec4b6c4-d026-4c14-9743-1194e0641377","created_at":"2025-09-04T14:28:55.795Z","updated_at":"2026-01-20T20:50:14.567Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"8935fec1-11df-4ea5-92b5-0b4fb8888e1e","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2005-05-11T04:00:00.000Z","observed_at_local":"2005-05-11T00:00:00-04:00","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/162994","readings":[{"id":"3cb91a99-31b1-428d-9f58-152f6f3c1aba","created_at":"2025-09-04T14:28:55.854Z","updated_at":"2025-09-04T14:28:55.854Z","parameter":"total_phosphorus","unit":"ppb","value":"48","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"b6a3fde7-45ae-4677-a20a-d6cf79ad5f06","created_at":"2025-09-04T14:28:55.897Z","updated_at":"2025-09-04T14:28:55.897Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"670","equipment":"lab_unspecified","equipment_limit":null}]}