Clean Water Act discharge permit · NPDES TXRMW0190
WILLIAMSON COUNTY MUD 17 MS4, Austin, TX: NPDES TXRMW0190 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
WILLIAMSON COUNTY MUD 17 MS4, held by Williamson County MUD 17, holds NPDES permit TXRMW0190. EPA’s file records it issued September 10, 2026 and expiring August 14, 2029.
WILLIAMSON COUNTY MUD 17 MS4, Austin, Texas: Coverage under a general permit TXRMW0190, held by Williamson County MUD 17; Effective; issued September 10, 2026, term to August 14, 2029, by TCEQ.
WILLIAMSON COUNTY MUD 17 MS4 among its neighbors
EPA’s permit file holds 117 discharge permits in the Town Lake-Colorado River subwatershed (HUC 120902050306), TXRMW0190 among them.
Other permits in the Town Lake-Colorado River subwatershed (HUC 120902050306)
- 2323 SOUTH LAMAR MIXED USE, Austin: TXR1519MD, minor permit, discharging to WEST BOULDIN CREEK, permit term to March 4, 2028
- 2915 E CESAR CHAVEZ STREET, Austin: TXR1524VJ, minor permit, discharging to COLORADO RIVER BELOW LADY BIRD LAKE, permit term to March 4, 2028
- AISD - LEE ELEMENTARY SCHOOL CLASSROOM BUILDING, Austin: TXR15167X, minor permit, discharging to WALLER CREEK, permit term to March 4, 2023
- AISD - MCCALLUM HIGH SCHOOL, Austin: TXR1588UZ, minor permit, discharging to COLORADO RIVER, permit term to March 4, 2028
- AISD ALLISON ELEMENTARY, Austin: TXR1568RV, minor permit, discharging to COLORADO RIVER, permit term to March 4, 2028
- AISD TRAVIS ECHS, Austin: TXR1585SW, minor permit, discharging to HARPERS BRANCH, permit term to March 4, 2028
- AMERICAN RED CROSS, Austin: TXR1544XC, minor permit, discharging to TANNEHILL BRANCH CREEK, permit term to March 4, 2028
- AMLI MUELLER V, Austin: TXR1582PK, minor permit, discharging to BOGGY CREEK, permit term to March 4, 2028
- ANDERSON HIGH SCHOOL, Austin: TXR1501XI, minor permit, discharging to COLORADO, permit term to March 4, 2028
- APAC AUSTIN HOT MIX PLANT, Austin: TXR05FF43, minor permit, permit term to August 13, 2026
What the register holds for WILLIAMSON COUNTY MUD 17 MS4: its NPDES ID, its permit type and status, its dates, its address in Austin, Texas. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXRMW0190.
Identity
| Facility as filed | WILLIAMSON COUNTY MUD 17 MS4 |
|---|---|
| Permittee as filed | Williamson County MUD 17 |
| NPDES ID | TXRMW0190 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 10, 2026 |
| Expiration date | August 14, 2029 |
| Issuing agency | TCEQ |
| Address | Austin, TX 78701 |
| Subwatershed | Town Lake-Colorado River (HUC 120902050306) |
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES TXRMW0190.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES TXRMW0190.
Inspections
EPA’s inspection file holds no inspection for NPDES TXRMW0190.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES TXRMW0190.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, TXRMW0190.
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- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.