{"id":"55e330cf-58a6-48ef-bacc-bd95a62e10f5","created_at":"2025-09-02T20:45:24.191Z","updated_at":"2026-07-08T19:30:52.240Z","owner_id":"20cf53db-dabe-40ac-90f8-7d6eaedf7bc5","location_id":"8689e448-b5f5-489c-a2a4-d592fb876566","dataset_id":"62ade46c-873c-4070-9383-e9645c0ba1b4","form_id":"4c5e7f9c-674c-4b99-817e-0631cd8d3fd8","observed_at":"2018-12-07T19:20:00.000Z","observed_at_local":"2018-12-07T14:20:00-05:00","notes":"High water. Looks like watercress growing on site-side of the bridge now.","checked":"review_needed","qa_notes":"Review needed: chloride's result of 24mg/L is outside the expected range of 25.0-48.0mg/L (200.0% difference from the historical median for this location).","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["chloride","air_temperature","ph","oxygen","alkalinity","water_temperature","phosphates","turbidity","nitrate_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/119327","readings":[{"id":"fb7afcb5-cff2-4553-ad4c-4b5029d545bb","created_at":"2025-12-05T22:50:31.016Z","updated_at":"2025-12-05T22:50:31.016Z","parameter":"chloride","unit":"mg_l","value":"24","equipment":"hach_chloride_low_range","equipment_limit":"<"},{"id":"b26e91ee-719a-43ab-beb8-7796daf3014f","created_at":"2025-12-05T23:01:13.762Z","updated_at":"2025-12-05T23:01:13.762Z","parameter":"air_temperature","unit":"deg_c","value":"-9","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"4b0a2234-5085-4dca-88ff-97d7361e0edd","created_at":"2025-09-02T20:45:24.227Z","updated_at":"2025-09-02T20:45:24.227Z","parameter":"ph","unit":"std_units","value":"7.5","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"1bd24fc0-aa4e-4557-a1d6-159eb908cc32","created_at":"2025-09-02T20:45:24.241Z","updated_at":"2025-09-02T20:45:24.241Z","parameter":"oxygen","unit":"mg_l","value":"10","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"1db1eb79-c1be-4206-8ff9-4c2425381bce","created_at":"2025-09-02T20:45:24.254Z","updated_at":"2025-09-02T20:45:24.254Z","parameter":"alkalinity","unit":"ppm","value":"232","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"3fdcd861-bc16-4e21-837f-3f1d7ebeaaef","created_at":"2025-09-02T20:45:24.260Z","updated_at":"2025-09-02T20:45:24.260Z","parameter":"water_temperature","unit":"deg_c","value":"1","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"afc16947-5261-443d-84a0-f4bed638e2d3","created_at":"2025-09-02T20:45:24.264Z","updated_at":"2025-11-19T15:02:29.267Z","parameter":"phosphates","unit":"ppm","value":"0","equipment":"unspecified_phosphates","equipment_limit":"<="},{"id":"4860a7f5-6b40-4736-8848-54983e203572","created_at":"2025-12-10T17:02:15.889Z","updated_at":"2025-12-10T17:02:15.889Z","parameter":"turbidity","unit":"ntu","value":"0","equipment":"turbidity_tube_45cm","equipment_limit":"<"},{"id":"390beb42-6093-4f77-a65a-3344533e6077","created_at":"2025-09-02T20:45:24.248Z","updated_at":"2025-11-19T15:02:29.267Z","parameter":"nitrate_nitrogen","unit":"mg_l","value":"0","equipment":"kyoritsu_packtest_nitrate_nitrogen","equipment_limit":"<="}]}