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Clean Water Act discharge permit · NPDES TXRMW0170

GALVESTON COUNTY MUD 30 MS4, Houston, TX: NPDES TXRMW0170 discharge permit, effluent exceedances, inspections, penalties

GALVESTON COUNTY MUD 30 MS4, held by Galveston County MUD 30, holds NPDES permit TXRMW0170. EPA’s file records it issued July 17, 2026 and expiring August 14, 2029. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for GALVESTON COUNTY MUD 30 MS4: its NPDES ID, its permit type and status, its dates, its address in Houston, Texas. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXRMW0170.

Identity

Facility as filedGALVESTON COUNTY MUD 30 MS4
Permittee as filedGalveston County MUD 30
NPDES IDTXRMW0170
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJuly 17, 2026
Expiration dateAugust 14, 2029
Issuing agencyTCEQ
AddressHouston, TX 77027
SubwatershedCountry Club Bayou-Brays Bayou (HUC 120401040403)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXRMW0170.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXRMW0170.

Inspections

EPA’s inspection file holds no inspection for NPDES TXRMW0170.

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 TXRMW0170.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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, TXRMW0170.

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How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID TXRMW0170 there.

GALVESTON COUNTY MUD 30 MS4, Houston, Texas: Coverage under a general permit TXRMW0170, held by Galveston County MUD 30; Effective; issued July 17, 2026, term to August 14, 2029, by TCEQ.

GALVESTON COUNTY MUD 30 MS4 among its neighbors

EPA’s permit file holds 212 discharge permits in the Country Club Bayou-Brays Bayou subwatershed (HUC 120401040403), TXRMW0170 among them. Its county holds 419, 18 of them major permits; TXRMW0170 is a minor permit.

Other permits in the Country Club Bayou-Brays Bayou subwatershed (HUC 120401040403)

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

GALVESTON COUNTY MUD 30 MS4 is one of 31 general permit coverages on EPA's NPDES register in Galveston County, a group in which 86.2% of the permits have an earlier issue date than this one. The permit has no pollutants under a numeric limit and no pollutants with an effluent exceedance, while 35.5% of the 31 general permit coverages in Galveston County have a violation on file.