{"id":"b420e2a3-fedb-445d-b68e-56c98373711e","created_at":"2025-08-22T18:12:32.323Z","updated_at":"2026-01-20T20:01:36.246Z","owner_id":"760dd84a-e9b5-49e7-88ab-af36f0fb2be0","location_id":"7ff069ee-98f0-4c66-b7b2-8369100b2f7c","dataset_id":"cc15c192-f21a-4037-9cf3-4d8699c09cbc","form_id":"bb80ee21-5307-4eb4-96b7-3ba54cee4835","observed_at":"2018-08-24T17:15:00.000Z","observed_at_local":"2018-08-24T13:15:00-04:00","notes":"","checked":"review_needed","qa_notes":"Review needed: conductivity's result of 333μS/cm is outside the expected range of 689.28-822.72μS/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":["alkalinity","ph","oxygen","hardness","conductivity","air_temperature","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/80541","readings":[{"id":"b49f7edd-8c2c-44fe-a6eb-601424f90275","created_at":"2025-08-22T18:12:32.395Z","updated_at":"2025-08-22T18:12:32.395Z","parameter":"ph","unit":"std_units","value":"7.8","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"2ecd6596-562d-4af7-bbe3-6e6ae6b8881a","created_at":"2025-08-22T18:12:32.402Z","updated_at":"2025-08-22T18:12:32.402Z","parameter":"oxygen","unit":"mg_l","value":"9","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"0762edf5-cd7e-4a76-bba4-69fbd3341bc1","created_at":"2025-08-22T18:12:32.410Z","updated_at":"2025-08-22T18:12:32.410Z","parameter":"hardness","unit":"ppm","value":"250","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"bcb76392-43dc-492b-ac26-e5e8bb325381","created_at":"2025-08-22T18:12:32.420Z","updated_at":"2025-08-22T18:12:32.420Z","parameter":"conductivity","unit":"us_cm","value":"333","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"b18fe7e7-5d9b-4069-ac55-2f6db4c3d03f","created_at":"2025-08-22T18:12:32.436Z","updated_at":"2025-08-22T18:12:32.436Z","parameter":"air_temperature","unit":"deg_c","value":"26","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"de5dd647-b092-4306-87f8-2e933f400611","created_at":"2025-08-22T18:12:32.449Z","updated_at":"2025-08-22T18:12:32.449Z","parameter":"water_temperature","unit":"deg_c","value":"20","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"c84561b5-ff01-4626-9058-8b0790f0acea","created_at":"2025-12-10T15:39:08.930Z","updated_at":"2025-12-10T15:39:08.930Z","parameter":"alkalinity","unit":"ppm","value":"260","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":">"}]}