{"id":"f95d7bd6-938d-4c48-9209-ce601b1c7193","created_at":"2025-08-22T14:51:49.967Z","updated_at":"2026-07-09T19:05:35.337Z","owner_id":"aafb10d1-d353-4ddc-a8c9-23ee0b3ac856","location_id":"bcb5da5b-a6f7-4602-8053-df6c12f811a3","dataset_id":"538a74ae-2594-482b-be2f-596379caeb3c","form_id":"a04d7db2-e198-4897-bd3d-7a455ffbe070","observed_at":"2019-12-11T00:00:00.000Z","observed_at_local":"2019-12-10T16:00:00-08:00","notes":"Oakton 3 conductivity measurements issue","checked":"review_needed","qa_notes":"Review needed: conductivity's result of 243μS/cm is outside the expected range of 75.55-226.65μS/cm (50.0% difference from the historical median for this location).","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","conductivity","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/78644","readings":[{"id":"f4290de1-c77c-4b18-ae28-f9ad7a9329a8","created_at":"2025-08-22T14:51:50.038Z","updated_at":"2025-08-22T14:51:50.038Z","parameter":"ph","unit":"std_units","value":"8.04","equipment":"other_pen_type_ph_meter","equipment_limit":null},{"id":"9d43dfdb-30ea-43f9-b597-699247a7933f","created_at":"2025-08-22T14:51:50.157Z","updated_at":"2025-08-22T14:51:50.157Z","parameter":"conductivity","unit":"us_cm","value":"243","equipment":"other_pen_type_conductivity_meter_us_cm","equipment_limit":null},{"id":"a96c78d3-f3d6-4fb8-be3a-5b5e944cb52d","created_at":"2025-08-22T14:51:50.188Z","updated_at":"2025-08-22T14:51:50.188Z","parameter":"water_temperature","unit":"deg_c","value":"6.4","equipment":"other_multimeter_temperature","equipment_limit":null}]}