{"id":"b4f34db6-d3dc-406d-81b8-399060ce72c1","created_at":"2025-09-04T14:35:15.496Z","updated_at":"2026-01-20T20:58:40.910Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"04f08cee-5d0f-4ae2-bc86-53309ea1379d","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: 18.6, Sample: B16-22971-13","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/165367","readings":[{"id":"3667cc5e-76ef-4964-8814-f65117088a23","created_at":"2025-09-04T14:35:15.542Z","updated_at":"2025-09-04T14:35:15.542Z","parameter":"total_phosphorus","unit":"ppb","value":"52","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"7e9a84f5-a71f-4a44-998e-caa12a9fdd12","created_at":"2025-09-04T14:35:15.553Z","updated_at":"2025-09-04T14:35:15.553Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"490","equipment":"lab_unspecified","equipment_limit":null}]}