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Clean Water Act discharge permit · NPDES TXR1598WF

ALVIN ISD ELEMENTARY SCHOOL 23, Iowa Colony, TX: NPDES TXR1598WF discharge permit, effluent exceedances, inspections, penalties

ALVIN ISD ELEMENTARY SCHOOL 23, held by Drymalla Construction Company, LLC, holds NPDES permit TXR1598WF, which discharges to West Fork Chocolate Bayou. EPA’s file records it issued October 24, 2025 and expiring March 4, 2028.

ALVIN ISD ELEMENTARY SCHOOL 23, Iowa Colony, Texas: Coverage under a general permit TXR1598WF, held by Drymalla Construction Company, LLC; Construction stormwater; Effective; issued October 24, 2025, term to March 4, 2028; discharges to WEST FORK CHOCOLATE BAYOU.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 16,624 were issued before TXR1598WF. Drymalla Construction Company, LLC holds 18 permits in Texas.

Other permits held by Drymalla Construction Company, LLC

Coverages issued nearest TXR1598WF

ALVIN ISD ELEMENTARY SCHOOL 23 among its neighbors

EPA’s permit file holds 288 discharge permits in the Mustang Bayou subwatershed (HUC 120402040400), TXR1598WF among them. Its county holds 522, 24 of them major permits; TXR1598WF is a minor permit.

Other permits in the Mustang Bayou subwatershed (HUC 120402040400)

What the register holds for ALVIN ISD ELEMENTARY SCHOOL 23: its NPDES ID, its permit type and status, its dates, its address in Iowa Colony, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1598WF.

Identity

Facility as filedALVIN ISD ELEMENTARY SCHOOL 23
Permittee as filedDrymalla Construction Company, LLC
NPDES IDTXR1598WF
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedOctober 24, 2025
Expiration dateMarch 4, 2028
AddressIowa Colony, TX 77583
Receiving waterWEST FORK CHOCOLATE BAYOU
SubwatershedMustang Bayou (HUC 120402040400)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1598WF.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1598WF.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1598WF.

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 TXR1598WF.

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, TXR1598WF.

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  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
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Nearby on the register

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

What this page shows

ALVIN ISD ELEMENTARY SCHOOL 23 is one of 275 storm water construction permits on EPA's NPDES register in Brazoria County, where 0.4% of those permits have a violation on file. The permit is part of the 288 NPDES permits in the Mustang Bayou subwatershed, and 73.5% of the 275 storm water construction permits in Brazoria County have an earlier issue date than this one.