Stormwater Quality

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stormwater running intoa storm drain

Stormwater is any form of precipitation, such as rainfall and snowmelt, which flows across the surface of the ground. Stormwater that does not soak into the ground becomes surface runoff, which flows into storm sewers, surface waterways, or receiving streams. The term stormwater applies to water that originates from overwatering of landscapes and enters the stormwater system. Although a natural part of the water cycle, stormwater runoff is also a potential environmental concern. Pollutants can enter surface waters such as lakes, creeks, streams, and other natural waters when they are picked up by the stormwater. To the right, runoff flows into a stormwater drain.

Oneimage of storm water and land development of the greatest potential contributors to stormwater pollution is land development. While essential to the growth of our community and economy, land development can impact the quality of our water by accelerating erosion. If appropriate preventive measures are not taken, those soils can wash into the storm drain system during rain events causing blockage and pollution of our lakes, creeks, and streams. To the left, an impaired silt fence fails to hold in sediments.

For more information on the City of Lewisville’s Stormwater Quality Program, contact the Department of Public Services, Stormwater Quality Division at 972.219.3510. Together, we can help ensure an abundant supply of clean water for years to come.

Stormwater Management Plan and Ordinance

If you have questions, or would like to submit a comment about the City of Lewisville Stormwater Management Plan, please contact the Stormwater Division at 972.219.3510 or send an email.

Stormwater Management Plan

2019 TCEQ Annual Report

2020 TCEQ Annual Report

2021 TCEQ Annual Report

2022 TCEQ Annual Report

2023 TCEQ Annual Report

2024 TCEQ Annual Report

Stormwater Ordinance

Stormwater Pollution Prevention SOPs for Municipal Contractors

Stormwater Public Education

Public Service Announcements

Pet Waste
Car Washing
Fertilizing

Videos

Stormwater Management in North Central Texas

Grease down the drain?

Yard Waste Management

Stop Illegal Dumping

Reporting Stormwater Issues:

If you would like to report a stormwater related issue in the City of Lewisville, send an email; call 972.219.3510. Note that drainage issues should be  directed to the Streets Division.

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