{"id":"ae64dfa1-3fc4-4bc0-ae58-d825a8db4c97","created_at":"2025-08-26T19:45:48.485Z","updated_at":"2026-07-08T20:55:15.195Z","owner_id":"ed365d03-8e74-4e54-9d76-c063f36eaa68","location_id":"67ee1730-2a61-4649-a04b-35510fd9dc6e","dataset_id":"c99d5ede-d174-48f3-9f45-bdc768e4e9eb","form_id":"1c7b7934-bc65-4d0a-8780-5c85c8c98019","observed_at":"2020-04-26T21:09:14.596Z","observed_at_local":"2020-04-26T16:09:14-05:00","notes":null,"checked":"review_needed","qa_notes":"Review needed: conductivity's result of 144μS/cm is outside the expected range of 150.7-196.8μS/cm (3.0 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","water_depth","conductivity","air_temperature","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/82570","readings":[{"id":"b2e0fb87-2318-4566-abac-f07273f6b3ad","created_at":"2025-08-26T19:45:48.516Z","updated_at":"2025-08-26T19:45:48.516Z","parameter":"ph","unit":"std_units","value":"6.8","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"dd921de3-0ace-48ed-9396-9f242ed6cbf3","created_at":"2025-08-26T19:45:48.543Z","updated_at":"2025-08-26T19:45:48.543Z","parameter":"oxygen","unit":"mg_l","value":"5","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"26a2b7b0-495c-45a8-9472-f62311ce6676","created_at":"2025-08-26T19:45:48.551Z","updated_at":"2025-08-26T19:45:48.551Z","parameter":"hardness","unit":"ppm","value":"50","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"01245438-a148-46e0-aee7-94ff7f80e6e3","created_at":"2025-08-26T19:45:48.568Z","updated_at":"2025-08-26T19:45:48.568Z","parameter":"alkalinity","unit":"ppm","value":"60","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"9b1336cd-bc09-421c-8da7-80b859c5c6a4","created_at":"2025-08-26T19:45:48.581Z","updated_at":"2025-08-26T19:45:48.581Z","parameter":"water_depth","unit":"m","value":"0.94","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"84aa4cf3-37fc-4d6f-b67f-8289b50f9310","created_at":"2025-08-26T19:45:48.593Z","updated_at":"2025-08-26T19:45:48.593Z","parameter":"conductivity","unit":"us_cm","value":"144","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"de4cd316-1249-48a5-9407-ed03793b8996","created_at":"2025-08-26T19:45:48.609Z","updated_at":"2025-08-26T19:45:48.609Z","parameter":"air_temperature","unit":"deg_c","value":"13","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"56bd6235-42bc-443a-9030-e8b1fb33b7a0","created_at":"2025-08-26T19:45:48.617Z","updated_at":"2025-08-26T19:45:48.617Z","parameter":"water_temperature","unit":"deg_c","value":"5.1","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null}]}