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Precipitation that falls on impervious surfaces, such as streets and parking lots, drains to storm sewers and eventually flows to lakes and rivers. Pollutants such as sediment and chemicals are carried with the runoff water. As impervious surfaces increase, more water flows off of these surfaces and is delivered faster to receiving waters. Minimizing the mobilization of this material and its impact is the goal of good stormwater runoff management.

Meeting Missouri's Stormwater Regulations

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For questions or comments, visit our Water Pollution Control Branch website, send us an email, or call 800-361-4827 or 573-751-1300.