Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES TXR1556TO

ALVIN WWTP, Alvin, TX: NPDES TXR1556TO discharge permit, effluent exceedances, inspections, penalties

ALVIN WWTP, held by CSA Construction, Inc., holds NPDES permit TXR1556TO, which discharges to Mustang Bayou. EPA’s file records it issued February 10, 2025 and expiring March 4, 2028. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for ALVIN WWTP: its NPDES ID, its permit type and status, its dates, its address in Alvin, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1556TO.

Identity

Facility as filedALVIN WWTP
Permittee as filedCSA Construction, Inc.
NPDES IDTXR1556TO
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedFebruary 10, 2025
Expiration dateMarch 4, 2028
AddressAlvin, TX 77511
Receiving waterMUSTANG BAYOU
SubwatershedMustang Bayou (HUC 120402040400)

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 TXR1556TO.

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 TXR1556TO.

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, TXR1556TO.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 TXR1556TO there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

ALVIN WWTP is one of 275 storm water construction permits on EPA's NPDES register in Brazoria County, and it is one of 288 NPDES permits in the Mustang Bayou subwatershed. Of all 275 storm water construction permits in Brazoria County, 42.2% have an earlier issue date than this permit, while 0.4% have a violation on file.