{"id":"c40e8208-aa6a-4a51-8f5d-8c58fc26b645","created_at":"2025-09-04T14:23:03.578Z","updated_at":"2026-01-20T20:37:37.735Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"8528b678-646b-4a43-90d4-eea50cfb7a0e","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2015-08-27T04:00:00.000Z","observed_at_local":"2015-08-27T00:00:00-04:00","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/160121","readings":[{"id":"c00bbf6d-b3ad-4aee-8f78-4d847fdc2f4b","created_at":"2025-09-04T14:23:03.617Z","updated_at":"2025-09-04T14:23:03.617Z","parameter":"total_phosphorus","unit":"ppb","value":"6","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"cdc9dc4b-df60-4b16-9cb7-920efa531201","created_at":"2025-09-04T14:23:03.637Z","updated_at":"2025-09-04T14:23:03.637Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"280","equipment":"lab_unspecified","equipment_limit":null}]}