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Stormwater
About us
Stormwater runoff is generated when precipitation from rain and snow flows over land or impervious surfaces and does not percolate into the ground. As the runoff flows over the land or impervious surfaces (paved streets, parking lots, concrete and rooftops), it accumulates debris, chemicals, sediment and other pollutants that adversely affect water quality.
City Hall Annex
301 W. Beauregard Ave.
San Angelo, Texas 76903
8 a.m. to noon
1 p.m. to 5 p.m.
Monday-Friday
Main: 325-657-4201
Stormwater billing: 325-657-4500
Stormwater Operations: 325-481-2719
The Stormwater Operations Division improves the quality of stormwater runoff through effective maintenance of drainage features, street sweeping, right-of-way maintenance and mowing, and approved methods of herbicide applications. It is also responsible for new construction of drainage structures.
Quick links
- 2022 TCEQ MS4 Annual Report
- 2021 TCEQ MS4 Annual Report
- Stormwater Design Manual
- Citizens guide to understanding stormwater
- Upper Colorado River Authority
- Texas Clean Rivers Program
- Environmental Protection Agency sets and enforces environmental standards authorized by federal law for state and local governments.
- Texas Commission on Environmental Quality oversees local compliance with state and federal environmental requirements.
- Schedule of fees and charges
Impervious surfaces do not allow the absorption of rainwater, and include driveways, sidewalks and rooftops. Impervious materials include asphalt, cement, brick and stone.
What you can do
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Make your home the solution to stormwater pollution. (A homeowner's guide to healthy habits for clean water.)
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Call the stormwater hotline at 325-486-3780 or email stormwater@cosatx.us to report drainage issues, stormwater pollution and waterway maintenance needs or to obtain more information on what you can do to help protect our waters.