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Clean Water Act discharge permit · NPDES TX0129852

MASON WESTGREEN WWTF, Houston, TX: NPDES TX0129852 discharge permit, effluent exceedances, inspections, penalties

MASON WESTGREEN WWTF, held by MASON WESTGREEN LP, holds NPDES permit TX0129852, which discharges to Cypress Creek. EPA’s file records it issued October 23, 2008 and expiring February 1, 2013. 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 MASON WESTGREEN WWTF: its NPDES ID, its permit type and status, its dates, its address in Houston, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TX0129852.

Identity

Facility as filedMASON WESTGREEN WWTF
Permittee as filedMASON WESTGREEN LP
NPDES IDTX0129852
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedOctober 23, 2008
Expiration dateFebruary 1, 2013
AddressHouston, TX
Receiving waterCYPRESS CREEK
SubwatershedDry Creek-Cypress Creek (HUC 120401020104)
SIC4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TX0129852.

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 TX0129852.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

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, TX0129852.

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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 TX0129852 there.

Nearby on the register

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

What this page shows

MASON WESTGREEN WWTF is one of 488 individual permits on EPA's NPDES register in Harris County, and 5.8% of those permits have an earlier issue date than this permit. The permit is one of 78 NPDES permits in the Dry Creek-Cypress Creek subwatershed, while 73.0% of the 488 individual permits in Harris County have a violation on file.