{"id":"421281ce-35d4-4355-b686-49d646cc2c08","created_at":"2025-09-03T18:37:48.565Z","updated_at":"2026-07-09T16:00:04.661Z","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":"2017-09-05T10:40:00.000Z","observed_at_local":"2017-09-05T03:40:00-07:00","notes":null,"checked":"review_needed","qa_notes":"Review needed: oxygen's result of 1.8mg/L is below the normal range of 2.0mg/L.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/125311","readings":[{"id":"956e12bf-60e1-4ce6-9d72-892eeed24982","created_at":"2025-09-03T18:37:48.590Z","updated_at":"2025-09-03T18:37:48.590Z","parameter":"ph","unit":"std_units","value":"6.5","equipment":"unspecified_ph","equipment_limit":null},{"id":"6e629572-cb08-41d2-ad1b-3116573880b9","created_at":"2025-09-03T18:37:48.594Z","updated_at":"2025-09-03T18:37:48.594Z","parameter":"oxygen","unit":"mg_l","value":"1.8","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"6d29e254-14fc-4906-89a3-d11c442927a0","created_at":"2025-09-03T18:37:48.601Z","updated_at":"2025-09-03T18:37:48.601Z","parameter":"water_temperature","unit":"deg_c","value":"20.8","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"c4c7289c-5c08-47d3-8866-af7eb1e267af","created_at":"2025-09-03T18:37:48.598Z","updated_at":"2025-11-20T19:29:18.343Z","parameter":"oxygen","unit":"percent","value":"20","equipment":"unspecified_oxygen_percent","equipment_limit":null}]}