{"id":"4e128735-ade3-4f5e-acea-42e1e2f4bb0c","created_at":"2025-09-04T14:33:28.430Z","updated_at":"2026-01-20T20:56:50.274Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"2e726458-8d64-441a-8328-c798cfb50306","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2008-08-13T04:00:00.000Z","observed_at_local":"2008-08-13T00:00:00-04:00","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":["secchi_depth","total_phosphorus","water_temperature","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/164774","readings":[{"id":"e5c90d6a-a288-42cb-9d3a-6d745a222eb1","created_at":"2025-09-04T14:33:28.529Z","updated_at":"2025-09-04T14:33:28.529Z","parameter":"secchi_depth","unit":"m","value":"4.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"addf0762-5b6e-4d61-8729-e21e4832b05f","created_at":"2025-09-04T14:33:28.537Z","updated_at":"2025-09-04T14:33:28.537Z","parameter":"total_phosphorus","unit":"ppb","value":"21","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"cec03871-eb96-4d43-ba85-b43636b03a72","created_at":"2025-09-04T14:33:28.543Z","updated_at":"2025-09-04T14:33:28.543Z","parameter":"water_temperature","unit":"deg_c","value":"21","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"78629c4f-aa6a-4290-8320-695b28aa2b64","created_at":"2025-09-04T14:33:28.564Z","updated_at":"2025-09-04T14:33:28.564Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"400","equipment":"lab_unspecified","equipment_limit":null}]}