{"id":"ee7136aa-5594-4076-866a-5aa005fec510","created_at":"2025-09-04T14:38:08.868Z","updated_at":"2026-01-20T21:01:26.097Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"4bb1a0c1-d75f-46c5-9d11-3411c7ca2a76","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-08-02T16:00:00.000Z","observed_at_local":"2016-08-02T12:00:00-04:00","notes":"Calcium: 5.21\r\nSample: B16-22866-3","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/166253","readings":[{"id":"c14219fc-72ff-4867-a0d3-5557c850ba50","created_at":"2025-09-04T14:38:09.023Z","updated_at":"2025-09-04T14:38:09.023Z","parameter":"total_phosphorus","unit":"ppb","value":"4","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"cdee5926-aeb9-4550-bee6-b3828695ea8c","created_at":"2025-09-04T14:38:09.043Z","updated_at":"2025-09-04T14:38:09.043Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"290","equipment":"lab_unspecified","equipment_limit":null}]}