{"id":"a531253e-3425-44a7-aa13-9625e944a1a4","created_at":"2025-09-03T18:37:54.763Z","updated_at":"2026-07-09T16:00:13.051Z","owner_id":"9df51437-25db-4627-8f5f-a11d29439b73","location_id":"9158f07e-5dcd-4578-b9fd-8c78668f8c13","dataset_id":"62d0e51f-bb8c-41a2-831d-2f276de4075d","form_id":"f7aae285-3489-4566-b1f5-018527589b3a","observed_at":"2020-04-15T10:55:00.000Z","observed_at_local":"2020-04-15T03:55:00-07:00","notes":null,"checked":"review_needed","qa_notes":"Review needed: conductivity's result of 176μS/cm is outside the expected range of 180.0-540.0μS/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","oxygen","conductivity","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/125424","readings":[{"id":"03f54920-1c7e-4987-a28a-9837379b09d1","created_at":"2025-09-03T18:37:54.782Z","updated_at":"2025-09-03T18:37:54.782Z","parameter":"ph","unit":"std_units","value":"7.5","equipment":"unspecified_ph","equipment_limit":null},{"id":"8a15ab8d-2cfd-4867-bb48-e8bef8ccffb9","created_at":"2025-09-03T18:37:54.786Z","updated_at":"2025-09-03T18:37:54.786Z","parameter":"oxygen","unit":"mg_l","value":"12.8","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"323c50d9-38b1-4198-bef0-27f2c4beb2a3","created_at":"2025-09-03T18:37:54.790Z","updated_at":"2025-09-03T18:37:54.790Z","parameter":"conductivity","unit":"us_cm","value":"176","equipment":"unspecified_conductivity","equipment_limit":null},{"id":"1735ad44-4dcd-4650-9397-472863abc40a","created_at":"2025-09-03T18:37:54.806Z","updated_at":"2025-09-03T18:37:54.806Z","parameter":"water_temperature","unit":"deg_c","value":"15.9","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"371ddfb6-18e8-4206-8ec7-481ef5353cc2","created_at":"2025-09-03T18:37:54.801Z","updated_at":"2025-11-20T19:29:20.004Z","parameter":"oxygen","unit":"percent","value":"126.2","equipment":"unspecified_oxygen_percent","equipment_limit":null}]}