{"id":"414f1263-fa20-4d28-b821-983f55304cf4","created_at":"2025-08-28T17:33:04.593Z","updated_at":"2026-01-21T21:03:36.215Z","owner_id":"52409624-4598-4f69-82ff-d2647e680bcd","location_id":"fc749407-483a-4060-b5b0-1b686c5f6a2f","dataset_id":"6631e734-6047-407b-9259-d0f7bece8180","form_id":"a7b94cbf-8f2f-4d5d-b4ca-7091db274ead","observed_at":"2019-10-11T16:30:00.000Z","observed_at_local":"2019-10-11T11:30:00-05:00","notes":"","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 5.1mg/L is outside the expected range of 5.42-8.98mg/L.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","hardness","air_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/106021","readings":[{"id":"7747d825-3acb-47cb-a716-fd19160a5722","created_at":"2025-08-28T17:33:04.620Z","updated_at":"2025-08-28T17:33:04.620Z","parameter":"ph","unit":"std_units","value":"6","equipment":"lamotte_precision_ph","equipment_limit":null},{"id":"1860ab98-58c6-49fe-97c8-72cc7ab53786","created_at":"2025-08-28T17:33:04.633Z","updated_at":"2025-08-28T17:33:04.633Z","parameter":"oxygen","unit":"mg_l","value":"5.1","equipment":"lamotte_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"83271ca2-fa3d-4809-ade7-2cfd79a3adff","created_at":"2025-08-28T17:33:04.636Z","updated_at":"2025-08-28T17:33:04.636Z","parameter":"hardness","unit":"ppm","value":"50","equipment":"lamotte_hardness","equipment_limit":null},{"id":"2d445496-f49e-437b-ba5c-f5b97c72fb03","created_at":"2025-08-28T17:33:04.640Z","updated_at":"2025-08-28T17:33:04.640Z","parameter":"air_temperature","unit":"deg_c","value":"20","equipment":"digital_thermometer_c","equipment_limit":null}]}