{"id":"f834a06f-5542-44f4-b100-72488ee56762","created_at":"2016-09-09T00:50:02.445Z","updated_at":"2026-01-20T21:22:22.770Z","name":"Big Rideau Lake at Hudsons Bay","slug":"big-rideau-lake-at-hudsons-bay","permalink":"https://data.waterrangers.com/locations/big-rideau-lake-at-hudsons-bay","dataset_id":"36575c7e-0e5f-4b0f-af39-f750a6cbdaa6","latitude":"44.69","longitude":"-76.2783","country":"Canada","body_of_water":"Big Rideau Lake","water_body_type":"lake","investigative":false,"tested_parameters":["chlorine","hardness","previous_weather","current_weather","secchi_depth","water_depth","total_dissolved_solids_tds","water_temperature","air_temperature","conductivity","alkalinity","oxygen","ph","previous_weather_description","current_weather_description","turbidity"],"tested_equipment":["chemetrics_dissolved_oxygen_mg_l","community_scientist_interpretation","other_pen-type_tds_meter","secchi_disk_20cm","stream_thermometer_water_rangers","turbidity_tube_45cm","water_rangers_freshwater_teststrips_alkalinity","water_rangers_freshwater_teststrips_chlorine","water_rangers_freshwater_teststrips_hardness","water_rangers_freshwater_teststrips_ph","water_rangers_pen_type_conductivity_meter_low_range","water_rangers_pen_type_temperature_meter"],"reference_photo_url":null,"first_observation_at":"2019-07-01T12:33:00.000Z","last_observation_at":"2025-08-31T21:41:00.000Z"}