{"id":"c91e0f72-0ff7-49fa-ab19-a1ec2a58970f","created_at":"2025-09-03T18:37:08.882Z","updated_at":"2026-07-09T15:59:45.800Z","owner_id":"9df51437-25db-4627-8f5f-a11d29439b73","location_id":"a62c2e6e-4401-4307-bc78-17d696f1a969","dataset_id":"62d0e51f-bb8c-41a2-831d-2f276de4075d","form_id":"f7aae285-3489-4566-b1f5-018527589b3a","observed_at":"2013-11-16T08:00:00.000Z","observed_at_local":"2013-11-16T00:00:00-08:00","notes":null,"checked":"review_needed","qa_notes":"Review needed: ph's result of 9.14std_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/124651","readings":[{"id":"01cb73bc-979f-4bf9-af7a-81370c556447","created_at":"2025-09-03T18:37:08.901Z","updated_at":"2025-09-03T18:37:08.901Z","parameter":"ph","unit":"std_units","value":"9.14","equipment":"unspecified_ph","equipment_limit":null},{"id":"1c34c567-5a3d-4485-863f-f6a042bdf4f3","created_at":"2025-09-03T18:37:08.905Z","updated_at":"2025-09-03T18:37:08.905Z","parameter":"oxygen","unit":"mg_l","value":"8.7","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"c70f7e90-dfa3-4bec-9e81-7bc3d28cbbaa","created_at":"2025-09-03T18:37:08.908Z","updated_at":"2025-09-03T18:37:08.908Z","parameter":"conductivity","unit":"us_cm","value":"344","equipment":"unspecified_conductivity","equipment_limit":null},{"id":"394bdce4-50b4-49e4-a93c-816ba42fa512","created_at":"2025-09-03T18:37:08.915Z","updated_at":"2025-09-03T18:37:08.915Z","parameter":"water_temperature","unit":"deg_c","value":"7.7","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"1ce1cbcb-2734-4501-9169-617bd7507e10","created_at":"2025-09-03T18:37:08.918Z","updated_at":"2025-09-03T18:37:08.918Z","parameter":"total_dissolved_solids_tds","unit":"ppm","value":"158","equipment":"unspecified_tds","equipment_limit":null},{"id":"c7cabaca-ac2d-4e8c-9b92-37b7befbc6cc","created_at":"2025-09-03T18:37:08.912Z","updated_at":"2025-11-20T19:29:10.297Z","parameter":"oxygen","unit":"percent","value":"75","equipment":"unspecified_oxygen_percent","equipment_limit":null}]}