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3.0mg/L.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["oxygen","ph","conductivity","water_temperature","total_dissolved_solids_tds"],"photos":[],"permalink":"https://data.waterrangers.com/observations/125293","readings":[{"id":"e749aba3-b868-4285-a566-29680fa0a7c3","created_at":"2025-09-03T18:37:47.724Z","updated_at":"2025-09-03T18:37:47.724Z","parameter":"ph","unit":"std_units","value":"7","equipment":"unspecified_ph","equipment_limit":null},{"id":"69faa905-c215-48f6-86cb-0b88dd59ef45","created_at":"2025-09-03T18:37:47.730Z","updated_at":"2025-09-03T18:37:47.730Z","parameter":"oxygen","unit":"mg_l","value":"2.6","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"65eefc3a-2c66-4933-8989-ddfe1696512a","created_at":"2025-09-03T18:37:47.734Z","updated_at":"2025-09-03T18:37:47.734Z","parameter":"conductivity","unit":"us_cm","value":"357","equipment":"unspecified_conductivity","equipment_limit":null},{"id":"8df93326-ff29-4d90-b227-a8d6f08ad605","created_at":"2025-09-03T18:37:47.742Z","updated_at":"2025-09-03T18:37:47.742Z","parameter":"water_temperature","unit":"deg_c","value":"13.4","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"dcec902e-c565-4132-b5f3-358542af6762","created_at":"2025-09-03T18:37:47.746Z","updated_at":"2025-09-03T18:37:47.746Z","parameter":"total_dissolved_solids_tds","unit":"ppm","value":"178","equipment":"unspecified_tds","equipment_limit":null},{"id":"31f5b928-9432-4161-b602-82d3dcf10661","created_at":"2025-09-03T18:37:47.738Z","updated_at":"2025-11-20T19:29:18.134Z","parameter":"oxygen","unit":"percent","value":"25","equipment":"unspecified_oxygen_percent","equipment_limit":null}]},{"id":"3509741e-c03e-42cd-b018-d1e46766e82f","created_at":"2025-09-03T18:37:47.641Z","updated_at":"2026-01-20T19:26:09.936Z","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":"2016-09-11T11:30:00.000Z","observed_at_local":"2016-09-11T04:30:00-07:00","notes":null,"checked":"review_needed","qa_notes":"Review needed: oxygen's result of 1.7mg/L is below the normal range of 3.0mg/L.\nReview needed: oxygen's result of 17% is below the normal range of 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