{"id":"d64bb875-eb4f-4737-951f-4e02fdefe5b7","created_at":"2025-12-05T16:29:13.839Z","updated_at":"2026-07-24T14:52:11.990Z","name":"Corriell Nature Preserve","slug":"corriell-nature-preserve","permalink":"https://data.waterrangers.com/locations/corriell-nature-preserve","dataset_id":"a077358f-0fd7-4a16-ab9a-078b04ada4e0","latitude":"41.51625","longitude":"-91.157889","country":"United States","body_of_water":"Corriell Anabranch #1 (S)","water_body_type":"river_or_stream","investigative":false,"tested_parameters":["water_temperature","oxygen","turbidity","nitrates","conductivity","hardness","chlorine","alkalinity","on_the_water_s_surface","odour","recent_precipitation","previous_weather","air_temperature","current_weather","ph","previous_weather_description"],"tested_equipment":["water_rangers_pen_type_temperature_meter","chemetrics_dissolved_oxygen_mg_l","turbidity_tube_45cm","hach_nitrates","water_rangers_pen_type_conductivity_meter_low_range","water_rangers_freshwater_teststrips_hardness","water_rangers_freshwater_teststrips_chlorine","water_rangers_freshwater_teststrips_alkalinity","community_scientist_interpretation_env","community_scientist_interpretation","stream_thermometer_water_rangers","water_rangers_freshwater_teststrips_ph"],"reference_photo_url":null,"first_observation_at":"2025-12-16T20:15:00.000Z","last_observation_at":"2026-07-23T14:16:00.000Z"}