{"id":"f7ba0104-013b-444c-9ca3-9bcd7910e7aa","created_at":"2025-09-04T01:15:09.098Z","updated_at":"2026-01-21T16:02:41.227Z","owner_id":"991b37fd-6c91-47a7-b0e7-c840444ee500","location_id":"5c7450de-85c9-4c91-80b0-86159b13a497","dataset_id":"6c646800-a2cf-46d4-8cd3-8875579c0dbb","form_id":"4fe993b7-21a2-4144-892b-45e03524ac48","observed_at":"2020-05-30T23:09:53.654Z","observed_at_local":"2020-05-30T17:09:53-06:00","notes":"The new pH monitor was used for the first time today. Test strips indicated pH of 8.4 and the Preciva pH meter measured 8.8. ","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","hardness","alkalinity","water_depth","conductivity","air_temperature","water_temperature"],"photos":["https://d27925nfpi4rwv.cloudfront.net/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBeVVRQVE9PSIsImV4cCI6IjIwMjYtMDYtMjBUMDE6MTk6MzIuODk1WiIsInB1ciI6ImJsb2JfaWQifX0=--b8c138c91d805722110c6319c7499327a591d5f4/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJYW5CbkJqb0dSVlE2RTNKbGMybDZaVjkwYjE5bWFXeHNXd2RwQXBBQmFRS1FBUT09IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--137cfa046b685d2c2c17f66eaa6c647bd283e601/image"],"permalink":"https://data.waterrangers.com/observations/158937","readings":[{"id":"4e3825b0-c070-4e3c-a912-94721d5a48f5","created_at":"2025-09-04T01:15:09.144Z","updated_at":"2025-09-04T01:15:09.144Z","parameter":"ph","unit":"std_units","value":"8.8","equipment":"unspecified_ph","equipment_limit":null},{"id":"9287d42c-1a5c-4fc7-a5fd-735be6b55b1d","created_at":"2025-09-04T01:15:09.148Z","updated_at":"2025-09-04T01:15:09.148Z","parameter":"oxygen","unit":"mg_l","value":"12","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"c68f9f42-5d83-48e3-9597-e170e1c5646b","created_at":"2025-09-04T01:15:09.151Z","updated_at":"2025-09-04T01:15:09.151Z","parameter":"hardness","unit":"ppm","value":"300","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"5d8c9292-2ca2-48cf-988f-2bf5d4eca412","created_at":"2025-09-04T01:15:09.154Z","updated_at":"2025-09-04T01:15:09.154Z","parameter":"alkalinity","unit":"ppm","value":"180","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"b54b11e1-8652-4114-994d-9bd44068b24d","created_at":"2025-09-04T01:15:09.156Z","updated_at":"2025-09-04T01:15:09.156Z","parameter":"water_depth","unit":"m","value":"0.21","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"929eeb4c-4708-4ce1-bf9a-89f72e4a2b55","created_at":"2025-09-04T01:15:09.164Z","updated_at":"2025-09-04T01:15:09.164Z","parameter":"conductivity","unit":"us_cm","value":"1546","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"207939e1-7e1c-40ee-a19f-5b418cb55f46","created_at":"2025-09-04T01:15:09.167Z","updated_at":"2025-09-04T01:15:09.167Z","parameter":"air_temperature","unit":"deg_c","value":"17.5","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"14647638-abe0-4b06-9043-840b6c397e34","created_at":"2025-09-04T01:15:09.170Z","updated_at":"2025-09-04T01:15:09.170Z","parameter":"water_temperature","unit":"deg_c","value":"16.1","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null}]}