{"id":"819eeb2c-1c30-4beb-a88b-39d56f7701b7","created_at":"2025-09-03T18:37:45.583Z","updated_at":"2026-07-09T15:59:57.730Z","owner_id":"9df51437-25db-4627-8f5f-a11d29439b73","location_id":"e3c3535e-b202-40e5-967d-82b7807e1ea7","dataset_id":"62d0e51f-bb8c-41a2-831d-2f276de4075d","form_id":"f7aae285-3489-4566-b1f5-018527589b3a","observed_at":"2013-11-16T09:07:00.000Z","observed_at_local":"2013-11-16T01:07:00-08:00","notes":null,"checked":"review_needed","qa_notes":"Review needed: ph's result of 8.89std_units is outside the expected range of 5.25-8.75std_units (25.0% 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","total_dissolved_solids_tds"],"photos":[],"permalink":"https://data.waterrangers.com/observations/125248","readings":[{"id":"81e8167a-a932-44b0-a451-00f58df3b143","created_at":"2025-09-03T18:37:45.602Z","updated_at":"2025-09-03T18:37:45.602Z","parameter":"ph","unit":"std_units","value":"8.89","equipment":"unspecified_ph","equipment_limit":null},{"id":"f0eb3515-1cdc-463c-bd76-e67ccc40508d","created_at":"2025-09-03T18:37:45.605Z","updated_at":"2025-09-03T18:37:45.605Z","parameter":"oxygen","unit":"mg_l","value":"3.6","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"103ac9e1-0a5c-4509-ab54-fbd079b22185","created_at":"2025-09-03T18:37:45.609Z","updated_at":"2025-09-03T18:37:45.609Z","parameter":"conductivity","unit":"us_cm","value":"339","equipment":"unspecified_conductivity","equipment_limit":null},{"id":"12c04dc8-a4bb-43bb-b204-e24471309165","created_at":"2025-09-03T18:37:45.616Z","updated_at":"2025-09-03T18:37:45.616Z","parameter":"water_temperature","unit":"deg_c","value":"7.7","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"8191f8fb-f79a-4e24-88bb-6b1b4dcf04fe","created_at":"2025-09-03T18:37:45.619Z","updated_at":"2025-09-03T18:37:45.619Z","parameter":"total_dissolved_solids_tds","unit":"ppm","value":"171","equipment":"unspecified_tds","equipment_limit":null},{"id":"9f416384-3a8e-4c4c-8137-cc9263ddcb9a","created_at":"2025-09-03T18:37:45.612Z","updated_at":"2025-11-20T19:29:17.696Z","parameter":"oxygen","unit":"percent","value":"30","equipment":"unspecified_oxygen_percent","equipment_limit":null}]}