{"id":"83972b5c-bbc7-4c02-8092-edfc145236e8","created_at":"2025-09-03T18:37:53.481Z","updated_at":"2026-01-20T19:35:38.332Z","owner_id":"9df51437-25db-4627-8f5f-a11d29439b73","location_id":"9158f07e-5dcd-4578-b9fd-8c78668f8c13","dataset_id":"62d0e51f-bb8c-41a2-831d-2f276de4075d","form_id":"f7aae285-3489-4566-b1f5-018527589b3a","observed_at":"2017-07-10T11:25:00.000Z","observed_at_local":"2017-07-10T04:25:00-07:00","notes":"an explosion of this invasive species entered Swan Lake this year causing anxious times for the sanctuary.\r\nPhilosophy of watching nature take its course ... saw river otter, great blue heron & mink leading the slate of predators to reduce the population into a more comforting number .... at least until next season!","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, ph's result of 9.5std_units is outside the expected range of 5.63-9.38std_units.\nReview needed: oxygen's result of 17.8% is below the normal range of 20.0%.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["oxygen","ph","water_temperature"],"photos":["https://d27925nfpi4rwv.cloudfront.net/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBZ2ZjIiwiZXhwIjoiMjAyNi0wNS0wOFQwODozNDoxMC41MTFaIiwicHVyIjoiYmxvYl9pZCJ9fQ==--8346e62c2a6f43c4b128c267ffc49791d2d1cf19/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJYW5CbkJqb0dSVlE2RTNKbGMybDZaVjkwYjE5bWFXeHNXd2RwQXBBQmFRS1FBUT09IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--137cfa046b685d2c2c17f66eaa6c647bd283e601/P1170180.jpg"],"readings":[{"id":"e7a7f417-c326-4502-b517-f0dfbfb6bf9f","created_at":"2025-09-03T18:37:53.506Z","updated_at":"2025-09-03T18:37:53.506Z","parameter":"ph","unit":"std_units","value":"9.5","equipment":"unspecified_ph","equipment_limit":null},{"id":"840af91c-5e6b-46eb-bca4-ffcaff851dc8","created_at":"2025-09-03T18:37:53.524Z","updated_at":"2025-09-03T18:37:53.524Z","parameter":"water_temperature","unit":"deg_c","value":"25.8","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"4fdf1b39-32ee-4630-b8fa-3b80fa5115b5","created_at":"2025-09-03T18:37:53.511Z","updated_at":"2025-11-20T19:29:19.701Z","parameter":"oxygen","unit":"percent","value":"17.8","equipment":"unspecified_oxygen_percent","equipment_limit":null}]}