{"id":"41416430-f022-4303-af3f-c3a3a25d0bef","created_at":"2025-09-04T15:31:50.311Z","updated_at":"2026-01-20T21:15:40.269Z","owner_id":"7435cf83-fe27-4541-87d8-068c3542e422","location_id":"d1b729e1-8a9c-4497-b16a-11da4503f46e","dataset_id":"c15f3477-8757-4b32-a93a-f6c9f424b830","form_id":"1f3d4585-fa19-433a-bd61-237f2ca81fef","observed_at":"2017-09-13T17:45:00.000Z","observed_at_local":"2017-09-13T13:45:00-04:00","notes":"Mouth of Muskrat River entering the Ottawa River\r\nWeather: Clear, Sunny\r\nHumidity: 60%\r\nBarometric Pressure: 102.5 kPa\r\nMarket Garden held every Wednesday near sample location.\r\nDead fish present\r\nSubstrate: sandy, cobble\r\n","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","secchi_depth","hardness","alkalinity","conductivity","air_temperature","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/170074","readings":[{"id":"8582284f-6ed0-4f2c-8699-e31967aa88a5","created_at":"2025-09-04T15:31:50.401Z","updated_at":"2025-09-04T15:31:50.401Z","parameter":"ph","sub_question":null,"qualitative":false,"unit":"std_units","value":"8","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"7a3ae05a-232c-4873-9f95-80b45e94e63a","created_at":"2025-09-04T15:31:50.423Z","updated_at":"2025-09-04T15:31:50.423Z","parameter":"oxygen","sub_question":null,"qualitative":false,"unit":"mg_l","value":"8","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"9fd01f7c-499c-4c9f-950e-b40d14155767","created_at":"2025-09-04T15:31:50.475Z","updated_at":"2025-09-04T15:31:50.475Z","parameter":"secchi_depth","sub_question":null,"qualitative":false,"unit":"m","value":"bottom_visible","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"feae8dd2-8915-4e7c-b9e6-2842d5275bc7","created_at":"2025-09-04T15:31:50.493Z","updated_at":"2025-09-04T15:31:50.493Z","parameter":"hardness","sub_question":null,"qualitative":false,"unit":"ppm","value":"150","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"56bd69c3-bbb5-4a72-8e64-4c4d3b103320","created_at":"2025-09-04T15:31:50.534Z","updated_at":"2025-09-04T15:31:50.534Z","parameter":"alkalinity","sub_question":null,"qualitative":false,"unit":"ppm","value":"80","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"6c09540c-3708-448c-aa7a-cdebc5839342","created_at":"2025-09-04T15:31:50.569Z","updated_at":"2025-09-04T15:31:50.569Z","parameter":"conductivity","sub_question":null,"qualitative":false,"unit":"us_cm","value":"236","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"b2699850-cf92-4189-9419-da01bc29d9e9","created_at":"2025-09-04T15:31:50.591Z","updated_at":"2025-09-04T15:31:50.591Z","parameter":"air_temperature","sub_question":null,"qualitative":false,"unit":"deg_c","value":"19","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"7b31e8fc-ecbd-46b0-9c29-90dbb9ef10a6","created_at":"2025-09-04T15:31:50.613Z","updated_at":"2025-09-04T15:31:50.613Z","parameter":"water_temperature","sub_question":null,"qualitative":false,"unit":"deg_c","value":"18","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null}]}