{"id":"861e954a-0521-433e-b93f-a0939a904bac","created_at":"2016-09-09T00:50:02.175Z","updated_at":"2026-01-20T21:04:01.346Z","name":"Big Rideau Lake deep water, northwest of Tar Island","slug":"big-rideau-lake-deep-water-northwest-of-tar-island-1756995640","permalink":"https://data.waterrangers.com/locations/big-rideau-lake-deep-water-northwest-of-tar-island-1756995640","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","latitude":"44.762999","longitude":"-76.217099","country":"Canada","body_of_water":"Big Rideau Lake","water_body_type":"lake","investigative":false,"tested_parameters":["e_coli","total_phosphorus","total_kjeldahl_nitrogen","oxygen","water_temperature","ph","conductivity","secchi_depth","air_temperature"],"tested_equipment":["lab_unspecified","other_ecoli_lab","secchi_disk_20cm","unspecified_air_temperature","unspecified_conductivity","unspecified_oxygen_mg_l","unspecified_oxygen_percent","unspecified_ph","unspecified_total_phosphorus","unspecified_water_temperature"],"reference_photo_url":null,"first_observation_at":"2005-06-09T04:00:00.000Z","last_observation_at":"2018-08-28T04:00:00.000Z"}