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Clean Water Act discharge permit · NPDES TX0125326

HOLY TRINITY EPISCOPAL SCHOOL WWTP, Houston, TX: NPDES TX0125326 discharge permit, effluent exceedances, inspections, penalties

HOLY TRINITY EPISCOPAL SCHOOL WWTP, held by HOLY TRINITY EPISCOPAL SCHOOL OF GREATER HOUSTON, INC, holds NPDES permit TX0125326, which discharges to Hcfcd Ditch;Hcfcd Ditch;Greens Bayou Above Tidal. EPA’s file records it issued August 8, 2018 and expiring August 8, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedHOLY TRINITY EPISCOPAL SCHOOL WWTP
Permittee as filedHOLY TRINITY EPISCOPAL SCHOOL OF GREATER HOUSTON, INC
NPDES IDTX0125326
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedAugust 8, 2018
Expiration dateAugust 8, 2023
AddressHouston, TX 77044
Receiving waterHCFCD DITCH;HCFCD DITCH;GREENS BAYOU ABOVE TIDAL
SubwatershedMiddle Greens Bayou (HUC 120401040605)

Cited to the EPA ICIS-NPDES permit file (ECHO 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
Nitrogen, ammonia total [as N]312615June 30, 2015553% over the limit
Solids, total suspended31176August 31, 2023147% over the limit
E. coli2304April 30, 20153,741% over the limit
Chlorine, total residual2793June 30, 202319% over the limit
Flow, in conduit or thru treatment plant2802June 30, 201520% over the limit
Oxygen, dissolved [DO]1402October 31, 201468% over the limit
BOD, carbonaceous [5 day, 20 C]31110
pH3770
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
Level of pathogen requirements achieved220
Description of pathogen option used220
Vector attraction reduction alternative used220
Polychlorinated biphenyls [PCBs]110
Annual whole sludge application rate110
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
Fecal coliform100
Toxicity characteristic leaching procedure100

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 27, 2017Permit Violations - Violation Specified in CommentST6

Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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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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 TX0125326 there.

Nearby on the register

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