{"id":"f2f15a82-efa0-4dc8-8530-a7b24e289b53","created_at":"2025-08-12T18:25:52.376Z","updated_at":"2026-01-20T19:58:08.898Z","owner_id":"b0beb858-d4da-482e-aafb-45c504837f31","location_id":"29b33be5-8b2b-4a8c-b6b8-17f59161a7cf","dataset_id":"d2fe54dd-eb11-4fa3-8832-ae4b06735c06","form_id":"15a1a013-1018-477d-8402-0cb04fc583b3","observed_at":"2021-04-22T00:00:00.000Z","observed_at_local":"2021-04-21T20:00:00-04:00","notes":null,"checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 9.25mg/L is outside the expected range of 2.27-8.89mg/L.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","salinity","conductivity","water_temperature","total_dissolved_solids_tds"],"photos":[],"permalink":"https://data.waterrangers.com/observations/61434","readings":[{"id":"17883c67-7c65-4b0c-95ea-612e84efdf4a","created_at":"2025-08-12T18:25:52.450Z","updated_at":"2025-08-12T18:25:52.450Z","parameter":"ph","unit":"std_units","value":"8.815","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"fe5ad5fb-85e3-42d1-8b2d-c63f3a458962","created_at":"2025-08-12T18:25:52.454Z","updated_at":"2025-08-12T18:25:52.454Z","parameter":"oxygen","unit":"mg_l","value":"9.25","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"485e3aa1-b1db-4924-9cb2-509e76b1824e","created_at":"2025-08-12T18:25:52.458Z","updated_at":"2025-08-12T18:25:52.458Z","parameter":"salinity","unit":"ppm","value":"0.4","equipment":"water_rangers_pen_type_salinity_meter_ppm","equipment_limit":null},{"id":"90b14de4-b32e-4e80-8cce-013498904035","created_at":"2025-08-12T18:25:52.462Z","updated_at":"2025-08-12T18:25:52.462Z","parameter":"conductivity","unit":"us_cm","value":"871.5","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"974b0144-ad46-464b-b662-c89ab00c03e9","created_at":"2025-08-12T18:25:52.469Z","updated_at":"2025-08-12T18:25:52.469Z","parameter":"water_temperature","unit":"deg_c","value":"7.25","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"b3de3525-5430-4b9e-b563-6997fdbb9ba6","created_at":"2025-08-12T18:25:52.473Z","updated_at":"2025-08-12T18:25:52.473Z","parameter":"total_dissolved_solids_tds","unit":"ppm","value":"635","equipment":"other_pen-type_tds_meter","equipment_limit":null}]}