Iowa DNR, Watershed Improvement


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Solving NPS Pollution Problems
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Because nonpoint source pollution is wide-spread across the state, there is no quick fix to the problem. Improving our streams and lakes requires the help of all Iowans, both urban and rural.

Highly Eroded Streambanks
BEFORE: Highly Eroded Streambanks
Streambank Stabilization and Plantings Help Improve Water Quality
AFTER: Streambank Stabilization and
Plantings Help Improve Water Quality

The main solution is prevention. That means keeping excess sediment, nutrients, bacteria and other pollutants out of our water. Because the largest problems come from agricultural areas, an important solution is using conservation practices. Common conservation practices include wetlands, ponds, terraces and buffers. These practices reduce the amount of pollutants reaching a lake or stream.

While agriculture is the largest source of nonpoint pollution in Iowa, urban areas can also work to improve our water. Some urban solutions include managing lawn fertilizers, keeping pollutants out of storm drains and keeping excess soil from construction sites out of streams and lakes.

Children Sampling Stream as Part of Educational Program
Children Sampling Stream
as Part of Educational Program
Storm sewers usually drain directly to lakes or streams. Eventually, this storm sewer might be stencilled with a sign telling people this.
Storm Sewers Drain Directly
to Lakes or Streams

More information on what you can do from the U.S. Environmental Protection Agency:

DNR Contact
Steve Hopkins
DNR Watershed Improvement Program Grants Coordinator
(515) 281-6402
Stephen.Hopkins@dnr.iowa.gov


 

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