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Clean Water Act discharge permit · NPDES TXR1536YP

HCFCD PROJECT ID U520-01-00-E004, Katy, TX: NPDES TXR1536YP discharge permit, effluent exceedances, inspections, penalties

HCFCD PROJECT ID U520-01-00-E004, held by Harris County Flood Control District, holds NPDES permit TXR1536YP, which discharges to Addicks Reservoir. EPA’s file records it issued June 18, 2026 and expiring March 4, 2028.

HCFCD PROJECT ID U520-01-00-E004, Katy, Texas: Coverage under a general permit TXR1536YP, held by Harris County Flood Control District; Construction stormwater; Effective; issued June 18, 2026, term to March 4, 2028; discharges to ADDICKS RESERVOIR.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 21,940 were issued before TXR1536YP. Harris County Flood Control District holds 47 permits in Texas.

Other permits held by Harris County Flood Control District

Coverages issued nearest TXR1536YP

HCFCD PROJECT ID U520-01-00-E004 among its neighbors

EPA’s permit file holds 114 discharge permits in the Langham Creek subwatershed (HUC 120401040201), TXR1536YP among them. Its county holds 4,455, 195 of them major permits; TXR1536YP is a minor permit.

Other permits in the Langham Creek subwatershed (HUC 120401040201)

What the register holds for HCFCD PROJECT ID U520-01-00-E004: its NPDES ID, its permit type and status, its dates, its address in Katy, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1536YP.

Identity

Facility as filedHCFCD PROJECT ID U520-01-00-E004
Permittee as filedHarris County Flood Control District
NPDES IDTXR1536YP
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJune 18, 2026
Expiration dateMarch 4, 2028
AddressKaty, TX 77449
Receiving waterADDICKS RESERVOIR
SubwatershedLangham Creek (HUC 120401040201)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1536YP.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1536YP.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1536YP.

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 TXR1536YP.

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, TXR1536YP.

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

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Nearby on the register

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

What this page shows

The HCFCD PROJECT ID U520-01-00-E004 is one of 2,031 storm water construction permits in Harris County on EPA's NPDES register, and 0.1% of those permits carry a violation on file. Among the 2,022 storm water construction permits in Harris County, 91.3% were issued earlier than this one, and it sits among 114 NPDES permits in the Langham Creek subwatershed.