{"id":"f9cb36b9-22d1-4e5a-845d-40986d96002b","created_at":"2025-09-04T14:35:16.124Z","updated_at":"2026-01-20T20:58:41.872Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"58a322e8-f550-4141-ab79-8ef046041c1d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-08-03T16:00:00.000Z","observed_at_local":"2016-08-03T12:00:00-04:00","notes":"Calcium: 14.8, Sample: B16-22971-1","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/165373","readings":[{"id":"54cd1788-bdbc-422a-a462-5150e9669abd","created_at":"2025-09-04T14:35:16.238Z","updated_at":"2025-09-04T14:35:16.238Z","parameter":"total_phosphorus","unit":"ppb","value":"17","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"2f1c99f7-4919-458a-8f10-408e9b1a2d50","created_at":"2025-09-04T14:35:16.252Z","updated_at":"2025-09-04T14:35:16.252Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"440","equipment":"lab_unspecified","equipment_limit":null}]}