Summary of quantitative results
Guidelines for exceedances are based on:
United States
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Chemistry tests
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Collecting data in the field? We now have apps for iOS and Android. Visit the App Store or Google Play Store and search for "Water Rangers" Learn more
Cedar River #2 in Iowa
Corriell Nature Preserve has data for previous_weather, recent_precipitation, odour, on_the_water_s_surface, alkalinity, chlorine, hardness, conductivity, current_weather, nitrates, air_temperature, water_temperature, oxygen, turbidity, ph, previous_weather_description, and pollution_signs from 16 December 2025 to 6 August 2026.
This data is part of a bigger dataset, Bur Oak Water Quality.