{"id":"64337401-0079-4e1b-8868-37e30cf376a2","created_at":"2016-09-09T00:50:02.650Z","updated_at":"2026-07-09T19:42:10.672Z","name":"Black Lake, deep water sample site","slug":"black-lake-deep-water-sample-site","permalink":"https://data.waterrangers.com/locations/black-lake-deep-water-sample-site","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","latitude":"44.7733","longitude":"-76.2973","country":"Canada","body_of_water":"Black Lake","water_body_type":"lake","investigative":false,"tested_parameters":["calcium","total_phosphorus","total_kjeldahl_nitrogen","oxygen","water_temperature","conductivity","secchi_depth","ph","air_temperature"],"tested_equipment":["unspecified_calcium","unspecified_total_phosphorus","lab_unspecified","unspecified_oxygen_percent","unspecified_water_temperature","unspecified_conductivity","secchi_disk_20cm","unspecified_oxygen_mg_l","unspecified_ph","unspecified_air_temperature"],"reference_photo_url":null,"first_observation_at":"2002-05-30T04:00:00.000Z","last_observation_at":"2018-08-20T04:00:00.000Z"}