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Stormwater Permits

Requirements related to water quality permitting for stormwater runoff from construction sites, industrial facilities, and publicly operated storm drains.

Renewed TPDES Small MS4 General Permit TXR040000

TCEQ Commission adopted the renewed Small MS4 General Permit TXR040000 on December 11, 2013. This general permit authorizes the discharge of stormwater runoff from small MS4s located in urbanized areas based on the 2000 and 2010 U.S. Census.

Renewed TPDES Construction General Permit TXR150000

TCEQ reissued General Permit TXR150000 on February 19, 2013. The permit became effective on March 5, 2013. This general permit authorizes the discharge of stormwater runoff associated with small and large construction sites and certain non-stormwater discharges into surface water in the state. Please visit the Stormwater Permits for Construction website for further details.

How to Check the Status of Your Permit:

    • For up-to-date information on your permit, use the Water Quality General Permits Authorization and Application Query
    • Construction General Permits: If you submitted a paper Notice of Intent (NOI), provisional coverage is effective 7 calendar days from the date of postmark. If your application status still shows pending after 30 days of mailing your NOI, please contact the Stormwater Processing Center at
    • Phase II MS4 General Permits: If you submitted an NOI under the Phase II MS4 General Permit, that NOI and the Stormwater Management Plan (SWMP) are currently being reviewed by TCEQ. The TCEQ will contact you if additional information is needed. Once the review process is complete, a Notice of Application to publish will be sent out to the permittee along with detailed instructions on how to publish that notice.

Featured Items

General Permit TXR040000 for Phase II (Small) MS4s
Requirements and steps necessary to obtain authorization for stormwater discharges from small MS4s.

Delinquent Fees and Penalties Will Affect Processing Your Application
Effective Sept. 1, 2012, the TCEQ redefined delinquent accounts to include those entities or people who owe at least $25 in delinquent penalties or fees. The previous threshold for delinquency was $200. This new $25 threshold is the same amount used by us to place an entity on Warrant Hold with the Comptroller of Public Accounts.

Related Categories

Stormwater Permits for Construction
Permits required for the discharge of stormwater associated with construction activities.

Stormwater and Municipal Separate Storm Sewer Systems (MS4s)
Permits required for the discharge of stormwater from small, medium, and large systems. Phase I and Phase II requirements. Waivers for qualified small systems.

Topics Under this Category

Assistance Tools for Stormwater Permitting
Resources for small businesses and local governments regarding stormwater permits.

Contacting TCEQ Stormwater and Wastewater Programs
Contact information for questions about the storm water or wastewater permitting programs of the TCEQ.

Contacting the Wastewater Programs
E-mail, phone numbers, mailing address, and ways to contact programs dealing with wastewater and storm water permitting.

Storm Water Permits and the Edwards Aquifer
Refers anyone contemplating construction activities or the clearing of acreage in the Edwards Aquifer recharge and contributing zones to TCEQ regional offices for information.

Submitting Storm Water General Permit Forms and Fees Electronically
You can pay fees and submit required forms online for the Construction General Permit or the Multi-Sector Industrial General Permit. This page explains how.

Tips for Completing Water Quality Permit Applications
Helpful information about water quality and wastewater permits. Deficiencies we find frequently during administrative review.