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Clean Water Act discharge permit · NPDES TX0128121

MSEC WWTP 1, Montgomery County, TX: NPDES TX0128121 discharge permit, effluent exceedances, inspections, penalties

MSEC WWTP 1, held by MSEC WASTE WATER, INC., holds NPDES permit TX0128121, which discharges to Unnamed Trib Of Mound Creek, Mound. EPA’s file records it issued December 13, 2017 and expiring December 1, 2022. 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.

Identity

Facility as filedMSEC WWTP 1
Permittee as filedMSEC WASTE WATER, INC.
NPDES IDTX0128121
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
IssuedDecember 13, 2017
Expiration dateDecember 1, 2022
AddressMontgomery County, TX 77316
Receiving waterUNNAMED TRIB OF MOUND CREEK, MOUND
SubwatershedMound Creek-Lake Creek (HUC 120401010308)

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
Solids, total suspended37411September 30, 2020335% over the limit
Nitrogen, ammonia total [as N]37310December 31, 2024258% over the limit
BOD, carbonaceous [5 day, 20 C]3652January 31, 201410% over the limit
pH3461October 31, 2015
Chlorine, total residual2431November 30, 202410% over the limit
Flow, in conduit or thru treatment plant2440
Oxygen, dissolved [DO]1210
Arsenic, dry weight5150
Chromium, sludge, total, dry weight [as Cr]5150
Selenium, dry weight390
Copper, dry weight390
Cadmium, dry weight390
Molybdenum, sludge, total, dry weight [as Mo]390
Zinc, sludge, total, dry weight [as Zn]390
Lead, sludge, total, dry weight [as Pb]390
Nickel, sludge, total, dry weight [as Ni]390
Mercury, sludge, total, dry weight [as Hg]390
Nickel, total [as Ni]260
Level of pathogen requirements achieved260
Description of pathogen option used260
Vector attraction reduction alternative used260
E. coli240
Polychlorinated biphenyls [PCBs]140
Fecal coliform130
Toxicity characteristic leaching procedure130
Ann. amt sludge disposed by other method130
Annual amt of sludge incinerated130
Annual sludge production, total130
Annual amount of sludge land applied130
Annual amt. sludge disposed surface unit130
Annual amt sludge disposed in landfill130
Annual amt sludge transported interstate130
Unit w/liner/leachate collection system130
Compliance w/part 258 sludge requirement130
Boundary areas130
Salmonella130
Pollutant table from 503.13130
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

EPA’s single-event violation file, as loaded, holds no violation for NPDES TX0128121.

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 September 15, 2026.

What this page shows

This public-records page covers NPDES permit TX0128121 for MSEC WWTP 1 in Montgomery County, Texas, held by MSEC WASTE WATER, INC., with the permit listed as administratively continued and of minor discharger class. The facts list 38 pollutants on file, 37 of them under a numeric limit, and 5 with an effluent exceedance.