{"id":"4f109eac-6678-40e8-b96b-0f1258242f31","created_at":"2025-07-18T15:50:41.908Z","updated_at":"2026-01-20T19:51:11.943Z","owner_id":"42dc4c65-19d2-4e04-8ac4-f5095791cce6","location_id":"43d4e385-60d9-4641-9217-31410676d327","dataset_id":"7a22091c-af8c-4a68-9dde-077e8d2cc735","form_id":"409b8b50-f663-4d75-81e8-7f615bb04dd9","observed_at":"2023-07-13T23:47:47.992Z","observed_at_local":"2023-07-13T19:47:47-04:00","notes":"","checked":"review_needed","qa_notes":"Review needed: conductivity's result of 417μS/cm is outside the expected range of 431.57-529.43μS/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","hardness","alkalinity","conductivity","air_temperature","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/54102","readings":[{"id":"42727d33-2acf-44fd-9586-8ea1983ba682","created_at":"2025-07-18T15:50:41.991Z","updated_at":"2025-07-18T15:50:41.991Z","parameter":"ph","unit":"std_units","value":"7","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"86111ecb-ab36-4069-bc71-88f81feacc42","created_at":"2025-07-18T15:50:42.001Z","updated_at":"2025-07-18T15:50:42.001Z","parameter":"oxygen","unit":"mg_l","value":"10","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"060ced44-91ef-4ec4-b55e-90676be771bb","created_at":"2025-07-18T15:50:42.046Z","updated_at":"2025-07-18T15:50:42.046Z","parameter":"hardness","unit":"ppm","value":"200","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"aa6f72c8-9b4e-4608-916b-7f3e89cc02fd","created_at":"2025-07-18T15:50:42.056Z","updated_at":"2025-07-18T15:50:42.056Z","parameter":"alkalinity","unit":"ppm","value":"140","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"a4104e23-d7ac-4946-b1b0-0d7fb8ed8820","created_at":"2025-07-18T15:50:42.075Z","updated_at":"2025-07-18T15:50:42.075Z","parameter":"conductivity","unit":"us_cm","value":"417","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"eab2fd76-8cdf-4a5a-bfce-df92ffab6f92","created_at":"2025-07-18T15:50:42.099Z","updated_at":"2025-07-18T15:50:42.099Z","parameter":"air_temperature","unit":"deg_c","value":"20.3","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"4588d6bd-8ca7-430f-aefd-307dc3836e0e","created_at":"2025-07-18T15:50:42.106Z","updated_at":"2025-07-18T15:50:42.106Z","parameter":"water_temperature","unit":"deg_c","value":"21.1","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null}]}