Stormwater Management

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The Department of Public Works is responsible for the maintenance and repair of the stormwater drainage system within the town. The town's storm drainage systems goes directly into our streams and drains into the Potomac River. The Potomac River is an important drinking water supply and drains into the Chesapeake Bay.

What is Stormwater?

Stormwater is caused by rain or snow melt. Excess stormwater that cannot infiltrate into the soil or be absorbed by vegetation washes pollutants like soil, litter, fertilizers, automotive fluids, detergents, and bacteria into our creeks, rivers, lakes and oceans. In heavy storms, stormwater can cause flooding and drainage problems. Stormwater runoff is a leading source of water pollution.


  • Stormwater Management

    • FEMA Flood Risk Study

    • Herndon's MS4 Plan to Reduce Stormwater Pollution

    • Land Disturbing Activities

    • Requirements for Contractors

    • Stormwater Pollution Prevention & COVID-19

    • Tips for Businesses

    • Tips for Homeowners

    • Tips for Pet Owners

    • Volunteer Opportunities