{"id":"812ed6d1-d8bb-498e-9795-199cae8f9dbf","created_at":"2025-09-02T20:45:14.186Z","updated_at":"2026-01-20T20:15:51.439Z","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":"2017-11-28T19:15:00.000Z","observed_at_local":"2017-11-28T14:15:00-05:00","notes":"Caddisfly larvae in water. Two crows, one squirrel sighted. Several chickadees heard calling.","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["turbidity","ph","oxygen","alkalinity","water_depth","air_temperature","water_temperature","nitrate_nitrogen","phosphates"],"photos":[],"permalink":"https://data.waterrangers.com/observations/119194","readings":[{"id":"3da8b26c-69b7-456d-b197-f84d7c089d93","created_at":"2025-12-10T17:02:04.350Z","updated_at":"2025-12-10T17:02:04.350Z","parameter":"turbidity","unit":"ntu","value":"0","equipment":"turbidity_tube_45cm","equipment_limit":"<"},{"id":"5a9e0586-f9e8-4e12-8d3c-22dedabd8a49","created_at":"2025-09-02T20:45:14.213Z","updated_at":"2025-09-02T20:45:14.213Z","parameter":"ph","unit":"std_units","value":"7.5","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"bf60cc41-e1f9-4bd6-9138-e5ffd198a280","created_at":"2025-09-02T20:45:14.218Z","updated_at":"2025-09-02T20:45:14.218Z","parameter":"oxygen","unit":"mg_l","value":"8.6","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"3e7feb48-6ac9-4672-b312-a912f083ccfa","created_at":"2025-09-02T20:45:14.228Z","updated_at":"2025-09-02T20:45:14.228Z","parameter":"alkalinity","unit":"ppm","value":"164","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"2e2e261f-3ee3-4657-81e9-b01ec28860b1","created_at":"2025-09-02T20:45:14.232Z","updated_at":"2025-09-02T20:45:14.232Z","parameter":"water_depth","unit":"m","value":"1","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"4b7efb34-d581-46a3-ae70-bd0e5efca898","created_at":"2025-09-02T20:45:14.237Z","updated_at":"2025-09-02T20:45:14.237Z","parameter":"air_temperature","unit":"deg_c","value":"12","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"cba32c34-3864-4d2a-bf28-b0fbf6c91f07","created_at":"2025-09-02T20:45:14.252Z","updated_at":"2025-09-02T20:45:14.252Z","parameter":"water_temperature","unit":"deg_c","value":"5","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"c09da425-8ccd-4715-bb26-b622612d03a7","created_at":"2025-09-02T20:45:14.222Z","updated_at":"2025-11-19T15:02:29.267Z","parameter":"nitrate_nitrogen","unit":"mg_l","value":"0","equipment":"kyoritsu_packtest_nitrate_nitrogen","equipment_limit":"<="},{"id":"1a38f5ab-5503-4f22-bce5-f15683542f66","created_at":"2025-09-02T20:45:14.257Z","updated_at":"2025-11-19T15:02:29.267Z","parameter":"phosphates","unit":"ppm","value":"0","equipment":"unspecified_phosphates","equipment_limit":"<="}]}