{"id":"3e10f9d7-7888-4ef8-9641-c287f66925c1","created_at":"2025-09-02T20:45:13.094Z","updated_at":"2026-07-08T19:30:48.451Z","owner_id":"0edffc84-3a3f-4220-9c3f-c5f621b07684","location_id":"8689e448-b5f5-489c-a2a4-d592fb876566","dataset_id":"62ade46c-873c-4070-9383-e9645c0ba1b4","form_id":"4c5e7f9c-674c-4b99-817e-0631cd8d3fd8","observed_at":"2017-03-23T18:20:00.000Z","observed_at_local":"2017-03-23T14:20:00-04:00","notes":"Chickadees, ducks, steady breeze with a strong current, algae growing on rocks in streambed, daddy long legs sighted, crows, seagull and airplane heard.","checked":"review_needed","qa_notes":"Review needed: chloride's result of 16mg/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","turbidity","ph","oxygen","alkalinity","water_depth","air_temperature","water_temperature","nitrate_nitrogen","phosphates"],"photos":[],"permalink":"https://data.waterrangers.com/observations/119178","readings":[{"id":"1618233f-c942-4af3-9c3e-d07cc4074514","created_at":"2025-12-05T22:50:31.359Z","updated_at":"2025-12-05T22:50:31.359Z","parameter":"chloride","unit":"mg_l","value":"16","equipment":"hach_chloride_low_range","equipment_limit":"<"},{"id":"6b80c3dd-859d-4c2d-8b73-828325019151","created_at":"2025-12-10T17:02:04.767Z","updated_at":"2025-12-10T17:02:04.767Z","parameter":"turbidity","unit":"ntu","value":"0","equipment":"turbidity_tube_45cm","equipment_limit":"<"},{"id":"567e7195-7142-4f3d-95f7-59b0166c51eb","created_at":"2025-09-02T20:45:13.112Z","updated_at":"2025-09-02T20:45:13.112Z","parameter":"ph","unit":"std_units","value":"7.5","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"7e6d25da-8d37-4e35-8e11-a9ca7863d5c7","created_at":"2025-09-02T20:45:13.116Z","updated_at":"2025-09-02T20:45:13.116Z","parameter":"oxygen","unit":"mg_l","value":"10.0","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"f8966ccc-6a38-4a7e-950a-159a0089420f","created_at":"2025-09-02T20:45:13.128Z","updated_at":"2025-09-02T20:45:13.128Z","parameter":"alkalinity","unit":"ppm","value":"184","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"2ab46218-2325-4c73-b002-48b0d8f823df","created_at":"2025-09-02T20:45:13.133Z","updated_at":"2025-09-02T20:45:13.133Z","parameter":"water_depth","unit":"m","value":"0.77","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"17a8230e-26d5-470d-9d86-cab11c167a5b","created_at":"2025-09-02T20:45:13.136Z","updated_at":"2025-09-02T20:45:13.136Z","parameter":"air_temperature","unit":"deg_c","value":"2","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"df87026a-f6f5-4baa-93ac-3b92fa9bbad9","created_at":"2025-09-02T20:45:13.140Z","updated_at":"2025-09-02T20:45:13.140Z","parameter":"water_temperature","unit":"deg_c","value":"2","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"0a836c70-54be-478f-9f58-5d82768bbce8","created_at":"2025-09-02T20:45:13.122Z","updated_at":"2025-11-19T15:02:29.267Z","parameter":"nitrate_nitrogen","unit":"mg_l","value":"0","equipment":"kyoritsu_packtest_nitrate_nitrogen","equipment_limit":"<="},{"id":"7d00b6e2-a8c0-4b01-bc29-b5444177f5e9","created_at":"2025-09-02T20:45:13.146Z","updated_at":"2025-11-19T15:02:29.267Z","parameter":"phosphates","unit":"ppm","value":"0","equipment":"unspecified_phosphates","equipment_limit":"<="}]}