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needed: conductivity's result of 316μS/cm is outside the expected range of 251.31-304.69μS/cm ( standard deviations from the historical mean for this location).","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","secchi_depth","hardness","alkalinity","conductivity","air_temperature","water_temperature"],"photos":["https://d27925nfpi4rwv.cloudfront.net/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBdlNEIiwiZXhwIjoiMjAyNi0wNy0wM1QwNjoyNjowNS41NzRaIiwicHVyIjoiYmxvYl9pZCJ9fQ==--95bc4f25a3341ef8f69674b28f1ee8eba78b80a8/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJYW5CbkJqb0dSVlE2RTNKbGMybDZaVjkwYjE5bWFXeHNXd2RwQXBBQmFRS1FBUT09IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--137cfa046b685d2c2c17f66eaa6c647bd283e601/image"],"permalink":"https://data.waterrangers.com/observations/82192","readings":[{"id":"ae098701-e3fb-42c1-85b7-de4650f78972","created_at":"2025-08-26T19:44:56.256Z","updated_at":"2025-08-26T19:44:56.256Z","parameter":"ph","unit":"std_units","value":"8.4","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"bbb3f2fe-a307-43ef-8d23-1628ce1ffa7a","created_at":"2025-08-26T19:44:56.262Z","updated_at":"2025-08-26T19:44:56.262Z","parameter":"oxygen","unit":"mg_l","value":"10","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"2e0e192e-7c4e-4657-ac6b-7ce0173a79f7","created_at":"2025-08-26T19:44:56.273Z","updated_at":"2025-08-26T19:44:56.273Z","parameter":"secchi_depth","unit":"m","value":"1.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"fd86eb6b-2e36-4976-9c00-0e676043d339","created_at":"2025-08-26T19:44:56.278Z","updated_at":"2025-08-26T19:44:56.278Z","parameter":"hardness","unit":"ppm","value":"200","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"8b5c2f2f-1cb6-4385-96f4-d2f078c0e381","created_at":"2025-08-26T19:44:56.282Z","updated_at":"2025-08-26T19:44:56.282Z","parameter":"alkalinity","unit":"ppm","value":"120","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"e22ec1d1-4c3d-4369-8bdc-e2f68eedf267","created_at":"2025-08-26T19:44:56.285Z","updated_at":"2025-08-26T19:44:56.285Z","parameter":"conductivity","unit":"us_cm","value":"316","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"57725918-446e-4d88-9e95-5f44d6f4d292","created_at":"2025-08-26T19:44:56.296Z","updated_at":"2025-08-26T19:44:56.296Z","parameter":"air_temperature","unit":"deg_c","value":"18","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"a0996e5d-bffc-4dc8-b1f8-62a2e6e2553e","created_at":"2025-08-26T19:44:56.302Z","updated_at":"2025-08-26T19:44:56.302Z","parameter":"water_temperature","unit":"deg_c","value":"19.8","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null}]}]