{"id":"1562fdc3-5b69-42a1-92c9-a1ffbd1a9213","created_at":"2025-09-04T14:33:29.431Z","updated_at":"2026-01-20T20:56:51.450Z","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":"2010-05-20T04:00:00.000Z","observed_at_local":"2010-05-20T00:00:00-04:00","notes":null,"checked":"review_needed","qa_notes":"Review needed: ph's result of 4.85std_units is below the normal range of 5.0std_units.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","secchi_depth","air_temperature","total_phosphorus","water_temperature","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/164780","readings":[{"id":"a3e9d1ce-d735-4e95-bb03-72f0603f6a6e","created_at":"2025-09-04T14:33:29.530Z","updated_at":"2025-09-04T14:33:29.530Z","parameter":"ph","unit":"std_units","value":"4.85","equipment":"unspecified_ph","equipment_limit":null},{"id":"724fac52-0620-4d71-aa5e-2345649f81de","created_at":"2025-09-04T14:33:29.549Z","updated_at":"2025-09-04T14:33:29.549Z","parameter":"secchi_depth","unit":"m","value":"7.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"2558c364-a3a5-4555-b5c5-49a8db0f9efa","created_at":"2025-09-04T14:33:29.564Z","updated_at":"2025-09-04T14:33:29.564Z","parameter":"air_temperature","unit":"deg_c","value":"21.75","equipment":"unspecified_air_temperature","equipment_limit":null},{"id":"eb767d1a-4365-481b-9166-b54074cf066e","created_at":"2025-09-04T14:33:29.575Z","updated_at":"2025-09-04T14:33:29.575Z","parameter":"total_phosphorus","unit":"ppb","value":"9","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"1c4504de-4abc-4220-b456-f8696756a79b","created_at":"2025-09-04T14:33:29.644Z","updated_at":"2025-09-04T14:33:29.644Z","parameter":"water_temperature","unit":"deg_c","value":"16.7","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"9546e208-0251-453a-b539-18ff16fe8cd4","created_at":"2025-09-04T14:33:29.657Z","updated_at":"2025-09-04T14:33:29.657Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"310","equipment":"lab_unspecified","equipment_limit":null}]}