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Clean Water Act discharge permit · NPDES TX0132161

HARRIS COUNTY MUD 433 WWTP, Cypress, TX: NPDES TX0132161 discharge permit, effluent exceedances, inspections, penalties

HARRIS COUNTY MUD 433 WWTP, held by HARRIS COUNTY MUD 433, holds NPDES permit TX0132161, which discharges to Hcfcd (U132-00-00)Langham Ck;Bear Ck;So Mayde Ck. EPA’s file records it issued June 29, 2017 and expiring May 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 433 WWTP
Permittee as filedHARRIS COUNTY MUD 433
NPDES IDTX0132161
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramPublicly owned treatment works
IssuedJune 29, 2017
Expiration dateMay 1, 2022
AddressCypress, TX 77433
Receiving waterHCFCD (U132-00-00)LANGHAM CK;BEAR CK;SO MAYDE CK
SubwatershedLangham Creek (HUC 120401040201)
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
Solids, total suspended3104February 28, 2014269% over the limit
E. coli262March 31, 20151,100% over the limit
pH361September 30, 2013
Chlorine, total residual231January 31, 201819% over the limit
Nitrogen, ammonia total [as N]360
BOD, carbonaceous [5 day, 20 C]360
Arsenic, dry weight550
Chromium, sludge, total, dry weight [as Cr]550
Selenium, dry weight330
Copper, dry weight330
Cadmium, dry weight330
Molybdenum, sludge, total, dry weight [as Mo]330
Zinc, sludge, total, dry weight [as Zn]330
Lead, sludge, total, dry weight [as Pb]330
Nickel, sludge, total, dry weight [as Ni]330
Mercury, sludge, total, dry weight [as Hg]330
Nickel, total [as Ni]220
Flow, in conduit or thru treatment plant220
Level of pathogen requirements achieved220
Description of pathogen option used220
Vector attraction reduction alternative used220
Oxygen, dissolved [DO]120
Fecal coliform110
Polychlorinated biphenyls [PCBs]110
Toxicity characteristic leaching procedure110
Ann. amt sludge disposed by other method110
Annual amt of sludge incinerated110
Annual sludge production, total110
Annual amount of sludge land applied110
Annual amt. sludge disposed surface unit110
Annual amt sludge disposed in landfill110
Annual amt sludge transported interstate110
Unit w/liner/leachate collection system110
Compliance w/part 258 sludge requirement110
Boundary areas110
Salmonella110
Pollutant table from 503.13110
Annual whole sludge application rate100

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
October 7, 2024Permit Violations - Violation Specified in CommentST6

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.

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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 the NPDES TX0132161 Clean Water Act discharge permit held by HARRIS COUNTY MUD 433 for the HARRIS COUNTY MUD 433 WWTP in Cypress, TX, a minor discharger that is administratively continued. The page lists 4 pollutants under a numeric limit and 4 pollutants with an effluent exceedance, with the permit's status and dates as EPA's file stood when the page was loaded on October 14, 2026.