{"id":"6f70ebb2-edbe-4e64-8577-1f35858a09e1","created_at":"2025-09-02T20:45:20.547Z","updated_at":"2026-07-08T19:30:50.769Z","owner_id":"0edffc84-3a3f-4220-9c3f-c5f621b07684","location_id":"e3e622a4-4b48-4b54-a013-7cdc7c3eeba0","dataset_id":"62ade46c-873c-4070-9383-e9645c0ba1b4","form_id":"4c5e7f9c-674c-4b99-817e-0631cd8d3fd8","observed_at":"2018-03-22T18:25:00.000Z","observed_at_local":"2018-03-22T14:25:00-04:00","notes":"Sunny weather","checked":"review_needed","qa_notes":"Review needed: oxygen's result of 12.8mg/L is outside the expected range of 0.0-12.0mg/L (3.0 standard deviations from the historical mean for this location).\nReview needed: ph's result of 8.5std_units is outside the expected range of 6.4-8.4std_units (25.0% 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":["turbidity","chloride","alkalinity","water_depth","air_temperature","water_temperature","phosphates","oxygen","nitrate_nitrogen","ph"],"photos":[],"permalink":"https://data.waterrangers.com/observations/119281","readings":[{"id":"1ca79f8f-a82c-405a-98bc-c2a84e73a40a","created_at":"2025-12-10T17:02:11.993Z","updated_at":"2025-12-10T17:02:11.993Z","parameter":"turbidity","unit":"ntu","value":"0","equipment":"turbidity_tube_45cm","equipment_limit":"<"},{"id":"c009a383-a6dc-4491-a1ae-f1680c31c87a","created_at":"2025-09-02T20:45:20.618Z","updated_at":"2025-09-02T20:45:20.618Z","parameter":"chloride","unit":"mg_l","value":"36","equipment":"hach_chloride_low_range","equipment_limit":null},{"id":"cb18a6bd-78c2-4971-8f8f-40c22474db13","created_at":"2025-09-02T20:45:20.644Z","updated_at":"2025-09-02T20:45:20.644Z","parameter":"alkalinity","unit":"ppm","value":"239.999","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"868fd488-41e7-4b6e-bfe8-16b64c8cfd0e","created_at":"2025-09-02T20:45:20.657Z","updated_at":"2025-09-02T20:45:20.657Z","parameter":"water_depth","unit":"m","value":".14","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"aa16c8b9-5be1-4fb8-9c78-58cfcda8121e","created_at":"2025-09-02T20:45:20.666Z","updated_at":"2025-09-02T20:45:20.666Z","parameter":"air_temperature","unit":"deg_c","value":"2","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"2af3afc9-eaae-4d7f-9e8c-c48905d195a6","created_at":"2025-09-02T20:45:20.678Z","updated_at":"2025-09-02T20:45:20.678Z","parameter":"water_temperature","unit":"deg_c","value":"1","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"b827ee0d-475e-4424-8234-ee8e1234eb16","created_at":"2025-09-02T20:45:20.684Z","updated_at":"2025-11-19T15:02:29.267Z","parameter":"phosphates","unit":"ppm","value":"0","equipment":"unspecified_phosphates","equipment_limit":"<="},{"id":"fb56ac2c-43ce-43d0-8f7c-479a830085c1","created_at":"2025-12-10T17:16:45.386Z","updated_at":"2025-12-10T17:16:45.386Z","parameter":"oxygen","unit":"mg_l","value":"12.8","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":">"},{"id":"c8947da5-4be2-40fd-b645-5df29f9188e1","created_at":"2025-09-02T20:45:20.628Z","updated_at":"2025-11-19T15:02:29.267Z","parameter":"nitrate_nitrogen","unit":"mg_l","value":"0","equipment":"kyoritsu_packtest_nitrate_nitrogen","equipment_limit":"<="},{"id":"46de35f0-8409-4bf4-85b6-263f5da50883","created_at":"2025-09-02T20:45:20.603Z","updated_at":"2025-12-19T18:44:51.892Z","parameter":"ph","unit":"std_units","value":"8.5","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":">"}]}