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nitrate watch

The nitrate pollution at the root of Central Iowa’s lawn watering ban is not unique to Central Iowa. The issue – and its sources – are incredibly widespread. In this…

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nitrate watch

By: Heather Wilson, Save Our Streams Coordinator Jo Ann Sadler is a Nitrate Watch volunteer from rural northwest Iowa. Like many residents of rural Iowa, Jo Ann’s surroundings are dominated…

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nitrate watch

Denise and Larry O’Brien, organic farmers and founding members of the Nishnabotna Water Defenders, are teaching their neighbors in Atlantic, Iowa to monitor pollution in waterways with Nitrate Watch. Learn…

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nitrate watch

Residents in Central Iowa have been placed under a first-of-its-kind lawn watering ban in response to stress on the water utilities from nitrate pollution in water sources. Data and insight…

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nitrate watch

By: Heather Wilson, Save Our Streams Coordinator Nitrate Watch volunteers have been busy in 2025 and their data is starting to paint a picture. What does the data show us?…

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nitrate watch

This reporting from the Iowa Capital Dispatch follows Nitrate Watch volunteer, Richard Gradoville, as he monitors nitrate levels in the Des Moines river and explains his connection to water quality…

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nitrate watch

April showers bring… polluted runoff? Unfortunately, this is the case in many parts of the United States. The results can be dangerous. Waterways often see peak nitrate concentrations in the…

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nitrate watch

This article from the Cedar Rapids Gazette profiles Nitrate Watch water monitoring efforts by the Linn County Iowa chapter of the Izaak Walton League.

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nitrate watch

Heather Wilson | Outdoor America 2023 Issue 1 It’s hard to believe. We know that nitrogen running off agricultural lands, leaking from septic systems and draining out of wastewater treatment…

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