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Clean Water Act discharge permit · NPDES TX0145408

EAST WALLER COUNTY MANAGEMENT DISTRICT, Katy, TX: NPDES TX0145408 discharge permit, effluent exceedances, inspections, penalties

EAST WALLER COUNTY MANAGEMENT DISTRICT, held by RAYYAN WATER LP LLC, holds NPDES permit TX0145408, which discharges to Buffalo Bayou Above Tidal. EPA’s file records it issued September 30, 2024 and expiring September 30, 2029. 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 EAST WALLER COUNTY MANAGEMENT DISTRICT: 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 TX0145408.

Identity

Facility as filedEAST WALLER COUNTY MANAGEMENT DISTRICT
Permittee as filedRAYYAN WATER LP LLC
NPDES IDTX0145408
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedSeptember 30, 2024
Expiration dateSeptember 30, 2029
AddressKaty, TX 77493
Receiving waterBuffalo Bayou Above Tidal
SubwatershedCane Island Branch (HUC 120401040102)

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 TX0145408.

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 TX0145408.

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, TX0145408.

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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 TX0145408 there.

Nearby on the register

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

What this page shows

EAST WALLER COUNTY MANAGEMENT DISTRICT is one of 338 potw permits on EPA's NPDES register in Harris County, and 99.1% of the 334 potw permits in Harris County have an earlier issue date than this permit. The permit has no pollutants under a numeric limit and no pollutants with an effluent exceedance, while 95.3% of the 338 potw permits in Harris County have a violation on file.