{"id":"70c6397f-1d08-4102-b475-86d9be9883a3","created_at":"2025-09-03T18:37:01.283Z","updated_at":"2026-07-09T15:59:36.434Z","owner_id":"9df51437-25db-4627-8f5f-a11d29439b73","location_id":"e0cce017-259f-43f8-90b1-44f39c3aee83","dataset_id":"62d0e51f-bb8c-41a2-831d-2f276de4075d","form_id":"f7aae285-3489-4566-b1f5-018527589b3a","observed_at":"2013-11-16T09:20:00.000Z","observed_at_local":"2013-11-16T01:20:00-08:00","notes":null,"checked":"review_needed","qa_notes":"Review needed: ph's result of 8.88std_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/124532","readings":[{"id":"86cfa97d-c30d-4d74-bf78-22e6d1c7f582","created_at":"2025-09-03T18:37:01.317Z","updated_at":"2025-09-03T18:37:01.317Z","parameter":"ph","unit":"std_units","value":"8.88","equipment":"unspecified_ph","equipment_limit":null},{"id":"389355f1-9e41-4c53-8be1-c981018b8a0d","created_at":"2025-09-03T18:37:01.321Z","updated_at":"2025-09-03T18:37:01.321Z","parameter":"oxygen","unit":"mg_l","value":"2.5","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"4d27f125-11d7-47c9-b4ff-21e061a6cf38","created_at":"2025-09-03T18:37:01.325Z","updated_at":"2025-09-03T18:37:01.325Z","parameter":"conductivity","unit":"us_cm","value":"353","equipment":"unspecified_conductivity","equipment_limit":null},{"id":"85efecd7-1fe4-4b5d-a40b-6d88a8140331","created_at":"2025-09-03T18:37:01.332Z","updated_at":"2025-09-03T18:37:01.332Z","parameter":"water_temperature","unit":"deg_c","value":"7.8","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"123987d7-84cd-40cb-8ed1-4e66d35ec1a4","created_at":"2025-09-03T18:37:01.336Z","updated_at":"2025-09-03T18:37:01.336Z","parameter":"total_dissolved_solids_tds","unit":"ppm","value":"173","equipment":"unspecified_tds","equipment_limit":null},{"id":"33b6a632-a17b-4c8f-95db-d5c31b16fcf6","created_at":"2025-09-03T18:37:01.329Z","updated_at":"2025-11-20T19:29:09.245Z","parameter":"oxygen","unit":"percent","value":"21","equipment":"unspecified_oxygen_percent","equipment_limit":null}]}