{"id":"7f08ad71-4fac-4744-82a8-ba734f7bf488","created_at":"2016-09-09T00:50:02.255Z","updated_at":"2026-01-20T21:04:01.659Z","name":"Big Rideau Lake at Narrows Lock Rd","slug":"big-rideau-lake-at-narrows-lock-rd","permalink":"https://data.waterrangers.com/locations/big-rideau-lake-at-narrows-lock-rd","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","latitude":"44.7017","longitude":"-76.295","country":"Canada","body_of_water":"Big Rideau Lake","water_body_type":"lake","investigative":false,"tested_parameters":["total_phosphorus","total_kjeldahl_nitrogen","e_coli","oxygen","ph","water_temperature","conductivity","air_temperature"],"tested_equipment":["lab_unspecified","other_ecoli_lab","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"}