{"id":"eba75753-d79c-478e-bb17-a920f88bc323","created_at":"2025-09-02T20:45:21.218Z","updated_at":"2026-07-08T19:30:51.202Z","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":"2017-03-06T19:00:00.000Z","observed_at_local":"2017-03-06T14:00:00-05:00","notes":"Chickadees and black squirrels sighted.","checked":"review_needed","qa_notes":"Review needed: oxygen's result of 14mg/L is outside the expected range of 0.0-12.0mg/L (3.0 standard deviations from the historical mean for this location).","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["turbidity","ph","alkalinity","water_depth","air_temperature","water_temperature","nitrate_nitrogen","oxygen","phosphates"],"photos":[],"permalink":"https://data.waterrangers.com/observations/119289","readings":[{"id":"c2bc923e-6c07-4ce7-a8b7-8d882d4e012b","created_at":"2025-12-10T17:02:12.656Z","updated_at":"2025-12-10T17:02:12.656Z","parameter":"turbidity","unit":"ntu","value":"0","equipment":"turbidity_tube_45cm","equipment_limit":"<"},{"id":"b6be3e0e-3bc7-4983-8d06-e2bbde77eccb","created_at":"2025-09-02T20:45:21.238Z","updated_at":"2025-09-02T20:45:21.238Z","parameter":"ph","unit":"std_units","value":"7.5","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"9efa7789-b0c4-4c35-8d6c-ccafd45eeec6","created_at":"2025-09-02T20:45:21.257Z","updated_at":"2025-09-02T20:45:21.257Z","parameter":"alkalinity","unit":"ppm","value":"170","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"fe80bbc1-0305-496b-b536-077c9cc4b6e1","created_at":"2025-09-02T20:45:21.263Z","updated_at":"2025-09-02T20:45:21.263Z","parameter":"water_depth","unit":"m","value":"0.27","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"d58117b7-4ecc-4986-953a-5b5a67769802","created_at":"2025-09-02T20:45:21.268Z","updated_at":"2025-09-02T20:45:21.268Z","parameter":"air_temperature","unit":"deg_c","value":"3","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"970fedf5-bbfa-448b-97ba-cf673fd1fa5f","created_at":"2025-09-02T20:45:21.276Z","updated_at":"2025-09-02T20:45:21.276Z","parameter":"water_temperature","unit":"deg_c","value":"1","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"e5ba39a4-2c78-4b75-bc96-4ada9be592f6","created_at":"2025-09-02T20:45:21.246Z","updated_at":"2025-11-19T15:02:29.267Z","parameter":"nitrate_nitrogen","unit":"mg_l","value":"0","equipment":"kyoritsu_packtest_nitrate_nitrogen","equipment_limit":"<="},{"id":"a201a9d7-6e76-4b62-9d8d-b48b7d9283eb","created_at":"2025-12-10T17:16:42.971Z","updated_at":"2025-12-10T17:16:42.971Z","parameter":"oxygen","unit":"mg_l","value":"14","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":">"},{"id":"49bcba8a-d8f8-45f3-997f-78c5098d0e28","created_at":"2025-09-02T20:45:21.282Z","updated_at":"2025-11-19T15:02:29.267Z","parameter":"phosphates","unit":"ppm","value":"0","equipment":"unspecified_phosphates","equipment_limit":"<="}]}