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Clean Water Act discharge permit · NPDES TX0097071

HARRIS COUNTY MUD 278 WWTP 1, Houston, TX: NPDES TX0097071 discharge permit, effluent exceedances, inspections, penalties

HARRIS COUNTY MUD 278 WWTP 1, held by HARRIS COUNTY MUD 278, holds NPDES permit TX0097071, which discharges to Williams Gully, Garners Bayou, Greens Bayou. EPA’s file records it issued January 31, 2018 and expiring December 1, 2022. 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.

Identity

Facility as filedHARRIS COUNTY MUD 278 WWTP 1
Permittee as filedHARRIS COUNTY MUD 278
NPDES IDTX0097071
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJanuary 31, 2018
Expiration dateDecember 1, 2022
AddressHouston, TX 77346
Receiving waterWILLIAMS GULLY, GARNERS BAYOU, GREENS BAYOU
SubwatershedGarners Bayou (HUC 120401040602)
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

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Flow, in conduit or thru treatment plant21919February 28, 2014485% over the limit
Solids, total suspended366April 30, 20081,900% over the limit
E. coli251June 30, 2018288% over the limit
Nitrogen, ammonia total [as N]611June 30, 200417% over the limit
Arsenic, dry weight500
Chromium, sludge, total, dry weight [as Cr]500
pH300
Selenium, dry weight300
Copper, dry weight300
Cadmium, dry weight300
Molybdenum, sludge, total, dry weight [as Mo]300
Zinc, sludge, total, dry weight [as Zn]300
Lead, sludge, total, dry weight [as Pb]300
Nickel, sludge, total, dry weight [as Ni]300
Mercury, sludge, total, dry weight [as Hg]300
BOD, carbonaceous [5 day, 20 C]300
Nickel, total [as Ni]200
Chlorine, total residual200
Level of pathogen requirements achieved200
Description of pathogen option used200
Vector attraction reduction alternative used200
Oxygen, dissolved [DO]100
Fecal coliform100
Polychlorinated biphenyls [PCBs]100
Toxicity characteristic leaching procedure100
Annual whole sludge application rate100
Ann. amt sludge disposed by other method100
Annual amt of sludge incinerated100
Annual sludge production, total100
Annual amount of sludge land applied100
Annual amt. sludge disposed surface unit100
Annual amt sludge disposed in landfill100
Annual amt sludge transported interstate100
Unit w/liner/leachate collection system100
Compliance w/part 258 sludge requirement100
Boundary areas100
Salmonella100
Pollutant table from 503.13100

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

DateWhat EPA recordedAgency
April 21, 2025Permit Violations - Violation Specified in CommentST6

Inspections

EPA’s inspection file holds no inspection for NPDES TX0097071.

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 TX0097071.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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Nearby on the register

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

What this page shows

This public-records page covers NPDES permit TX0097071, held by HARRIS COUNTY MUD 278 for the HARRIS COUNTY MUD 278 WWTP 1 facility in Houston, TX, which is listed as administratively continued and a minor discharger. The page reports 4 pollutants under a numeric limit and 4 pollutants with an effluent exceedance, with the permit's receiving waters given as Williams Gully, Garners Bayou, and Greens Bayou.