{"id":"ea9dc104-d39a-48ee-ae71-c4ef3d927e88","created_at":"2025-09-02T20:45:16.112Z","updated_at":"2026-01-20T20:16:21.407Z","owner_id":"20cf53db-dabe-40ac-90f8-7d6eaedf7bc5","location_id":"9dc2df77-cbf9-4049-9cf2-e47b70d89e1a","dataset_id":"62ade46c-873c-4070-9383-e9645c0ba1b4","form_id":"4c5e7f9c-674c-4b99-817e-0631cd8d3fd8","observed_at":"2017-02-28T18:15:00.000Z","observed_at_local":"2017-02-28T13:15:00-05:00","notes":"Patches of snow still present, creek has flooded its bank. Chickadees calling in the distance. Runoff from the roadside ditch joining Perch Creek at the culvert, this is where the chloride test was taken. Another test was taken upstream, and got a chloride reading of 16 ppm. A chloride test on the runoff from the ditch got a chloride reading of 68 ppm.","checked":"qc_complete","qa_notes":null,"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/119218","readings":[{"id":"22965008-9423-4c7f-9878-fa78f3b8f08a","created_at":"2025-12-05T22:50:31.128Z","updated_at":"2025-12-05T22:50:31.128Z","parameter":"chloride","unit":"mg_l","value":"20","equipment":"hach_chloride_low_range","equipment_limit":"<"},{"id":"49e32210-fdce-4c76-a7af-d179de38afaa","created_at":"2025-12-10T17:02:07.781Z","updated_at":"2025-12-10T17:02:07.781Z","parameter":"turbidity","unit":"ntu","value":"0","equipment":"turbidity_tube_45cm","equipment_limit":"<"},{"id":"75135dea-ac15-43c1-a82c-6312f7e40366","created_at":"2025-09-02T20:45:16.130Z","updated_at":"2025-09-02T20:45:16.130Z","parameter":"ph","unit":"std_units","value":"7.5","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"c4b97308-b87e-40e6-8663-a4cc690de91c","created_at":"2025-09-02T20:45:16.135Z","updated_at":"2025-09-02T20:45:16.135Z","parameter":"oxygen","unit":"mg_l","value":"10.2","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"ca6464b4-d52d-40eb-ab65-24a62033e1b5","created_at":"2025-09-02T20:45:16.151Z","updated_at":"2025-09-02T20:45:16.151Z","parameter":"alkalinity","unit":"ppm","value":"132","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"5bfc1051-44a5-4183-9239-985dbdd56304","created_at":"2025-09-02T20:45:16.155Z","updated_at":"2025-09-02T20:45:16.155Z","parameter":"water_depth","unit":"m","value":"0.59","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"6f8e325b-ffdc-4a9f-ac3f-ab40dcef5bf5","created_at":"2025-09-02T20:45:16.165Z","updated_at":"2025-09-02T20:45:16.165Z","parameter":"air_temperature","unit":"deg_c","value":"6","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"fb4bf6eb-75c4-40fc-aebf-e623b0359e0a","created_at":"2025-09-02T20:45:16.169Z","updated_at":"2025-09-02T20:45:16.169Z","parameter":"water_temperature","unit":"deg_c","value":"2","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"97cca2ca-444b-4920-960c-6713d5d7472b","created_at":"2025-09-02T20:45:16.144Z","updated_at":"2025-11-19T15:02:29.267Z","parameter":"nitrate_nitrogen","unit":"mg_l","value":"0","equipment":"kyoritsu_packtest_nitrate_nitrogen","equipment_limit":"<="},{"id":"a7cbaf61-0a93-4a0d-b320-c2b10a5b5cfd","created_at":"2025-09-02T20:45:16.173Z","updated_at":"2025-11-19T15:02:29.267Z","parameter":"phosphates","unit":"ppm","value":"0","equipment":"unspecified_phosphates","equipment_limit":"<="}]}