{"id":"7a1c01bc-5dc7-490b-a261-06311b05cf0b","created_at":"2016-09-09T00:50:02.362Z","updated_at":"2026-07-09T19:42:19.477Z","name":"Len's Cove Marina, Portland, on the Big Rideau","slug":"len-s-cove-marina-portland-on-the-big-rideau-1756995642","permalink":"https://data.waterrangers.com/locations/len-s-cove-marina-portland-on-the-big-rideau-1756995642","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","latitude":"44.698001","longitude":"-76.193699","country":"Canada","body_of_water":"Big Rideau Lake","water_body_type":"lake","investigative":false,"tested_parameters":["ph","e_coli","oxygen","conductivity","total_phosphorus","water_temperature","total_kjeldahl_nitrogen","air_temperature"],"tested_equipment":["unspecified_ph","other_ecoli_lab","unspecified_oxygen_mg_l","unspecified_conductivity","unspecified_total_phosphorus","unspecified_water_temperature","lab_unspecified","unspecified_oxygen_percent","unspecified_air_temperature"],"reference_photo_url":null,"first_observation_at":"2005-06-09T04:00:00.000Z","last_observation_at":"2017-06-21T18:52:00.000Z"}