{"id":"b184b914-ece1-42e5-b60f-2100c1f23a62","created_at":"2023-11-26T17:27:41.144Z","updated_at":"2026-04-02T15:34:24.355Z","name":"Big Rock Forest Preserve","slug":"big-rock-forest-preserve","permalink":"https://data.waterrangers.com/locations/big-rock-forest-preserve","dataset_id":"c3318da1-130d-44d1-8d21-7005b3825c8b","latitude":"41.737472","longitude":"-88.51028","country":"United States","body_of_water":"Big Rock Creek","water_body_type":"river_or_stream","investigative":false,"tested_parameters":["previous_weather","chloride","current_weather","previous_weather_description","Ice on","current_weather_description"],"tested_equipment":["community_scientist_interpretation","community_scientist_interpretation_env","unspecified_chloride"],"reference_photo_url":null,"first_observation_at":"2023-11-26T18:08:00.000Z","last_observation_at":"2026-03-31T18:30:00.000Z"}