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detected: oxygen's result of 15.65mg/L exceeds the extreme range of 14.99mg/L.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","secchi_depth","air_temperature","total_phosphorus","water_temperature","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/160957","readings":[{"id":"59631659-0f0d-4a39-a262-9035aec48083","created_at":"2025-09-04T14:24:41.543Z","updated_at":"2025-09-04T14:24:41.543Z","parameter":"ph","unit":"std_units","value":"8.35","equipment":"unspecified_ph","equipment_limit":null},{"id":"8a88e1d3-2219-4924-a4fe-72c3b4844c4b","created_at":"2025-09-04T14:24:41.556Z","updated_at":"2025-09-04T14:24:41.556Z","parameter":"oxygen","unit":"mg_l","value":"15.65","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"4285b517-dfb0-4496-9ab7-67773dc112da","created_at":"2025-09-04T14:24:41.565Z","updated_at":"2025-09-04T14:24:41.565Z","parameter":"secchi_depth","unit":"m","value":"6","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"db564c21-c0c4-4cba-bb97-8bd9626edf9a","created_at":"2025-09-04T14:24:41.571Z","updated_at":"2025-09-04T14:24:41.571Z","parameter":"air_temperature","unit":"deg_c","value":"28.6","equipment":"unspecified_air_temperature","equipment_limit":null},{"id":"515af1e9-3757-4d19-8743-cfbf4f8309cd","created_at":"2025-09-04T14:24:41.616Z","updated_at":"2025-09-04T14:24:41.616Z","parameter":"total_phosphorus","unit":"ppb","value":"13","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"e4d38c72-a20d-430a-ae68-8a5a65c8625b","created_at":"2025-09-04T14:24:41.641Z","updated_at":"2025-09-04T14:24:41.641Z","parameter":"water_temperature","unit":"deg_c","value":"25.48","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"14f87375-aac3-4bee-b05a-408e744107eb","created_at":"2025-09-04T14:24:41.664Z","updated_at":"2025-09-04T14:24:41.664Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"410","equipment":"lab_unspecified","equipment_limit":null}]},{"id":"94b11a9c-18ff-4f57-823c-63d39773beb6","created_at":"2025-09-04T14:24:41.353Z","updated_at":"2026-01-20T20:42:32.257Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"2833af66-59dd-4867-b8f5-3ba3cdb2152f","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2015-06-03T04:00:00.000Z","observed_at_local":"2015-06-03T00:00:00-04:00","notes":null,"checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","secchi_depth","air_temperature","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/160956","readings":[{"id":"6bdcb04f-4ce4-40a0-b83e-d798ea0b8c56","created_at":"2025-09-04T14:24:41.435Z","updated_at":"2025-09-04T14:24:41.435Z","parameter":"ph","unit":"std_units","value":"8.27","equipment":"unspecified_ph","equipment_limit":null},{"id":"c9acecc2-03d1-4f2f-a436-1c648dc9f65b","created_at":"2025-09-04T14:24:41.447Z","updated_at":"2025-09-04T14:24:41.447Z","parameter":"oxygen","unit":"mg_l","value":"10.6","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"e01bf817-f576-4b3e-ab14-90362ccf3861","created_at":"2025-09-04T14:24:41.454Z","updated_at":"2025-09-04T14:24:41.454Z","parameter":"secchi_depth","unit":"m","value":"5.3","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"46f1982b-ed19-4ea3-bb5a-899fc845965f","created_at":"2025-09-04T14:24:41.459Z","updated_at":"2025-09-04T14:24:41.459Z","parameter":"air_temperature","unit":"deg_c","value":"12.53","equipment":"unspecified_air_temperature","equipment_limit":null},{"id":"2f2538d4-b71a-4186-86f1-e78b0c6dde72","created_at":"2025-09-04T14:24:41.466Z","updated_at":"2025-09-04T14:24:41.466Z","parameter":"water_temperature","unit":"deg_c","value":"17.67","equipment":"unspecified_water_temperature","equipment_limit":null}]},{"id":"d2dcac05-1844-4ff9-9a12-04f0d7b6eb82","created_at":"2025-09-04T14:24:41.228Z","updated_at":"2026-01-20T20:42:31.910Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"2833af66-59dd-4867-b8f5-3ba3cdb2152f","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2015-06-01T04:00:00.000Z","observed_at_local":"2015-06-01T00:00:00-04:00","notes":null,"checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["total_phosphorus","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/160955","readings":[{"id":"b465b2d8-a1a7-45f0-9abe-00e24a35c4f7","created_at":"2025-09-04T14:24:41.309Z","updated_at":"2025-09-04T14:24:41.309Z","parameter":"total_phosphorus","unit":"ppb","value":"8","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"5b7f2029-7c66-42df-9621-009522866062","created_at":"2025-09-04T14:24:41.34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