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Clean Water Act discharge permit · NPDES TX0104060

DEL LAGO ESTATES WWTP, Montgomery, TX: NPDES TX0104060 discharge permit, effluent exceedances, inspections, penalties

DEL LAGO ESTATES WWTP, held by DEL LAGO ESTATES WSC, holds NPDES permit TX0104060, which discharges to Lake Conroe. EPA’s file records it issued September 21, 2017 and expiring June 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 filedDEL LAGO ESTATES WWTP
Permittee as filedDEL LAGO ESTATES WSC
NPDES IDTX0104060
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
IssuedSeptember 21, 2017
Expiration dateJune 1, 2022
AddressMontgomery, TX 77356
Receiving waterLAKE CONROE
SubwatershedTown Creek-Conroe Lake (HUC 120401010206)
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 plant2615May 31, 201933,233% over the limit
Chlorine, total residual2613April 30, 20248,900% over the limit
Solids, total suspended3911August 31, 202435% over the limit
pH3631August 31, 2004
BOD, 5-day, 20 deg. C3900
Oxygen, dissolved [DO]1300
Arsenic, dry weight5200
Chromium, sludge, total, dry weight [as Cr]5200
Selenium, dry weight3120
Copper, dry weight3120
Cadmium, dry weight3120
Molybdenum, sludge, total, dry weight [as Mo]3120
Zinc, sludge, total, dry weight [as Zn]3120
Lead, sludge, total, dry weight [as Pb]3120
Nickel, sludge, total, dry weight [as Ni]3120
Mercury, sludge, total, dry weight [as Hg]3120
Nickel, total [as Ni]280
Level of pathogen requirements achieved280
Description of pathogen option used280
Vector attraction reduction alternative used280
E. coli260
Polychlorinated biphenyls [PCBs]160
Toxicity characteristic leaching procedure150
Compliance w/part 258 sludge requirement150
Fecal coliform140
Ann. amt sludge disposed by other method140
Annual amt of sludge incinerated140
Annual sludge production, total140
Annual amount of sludge land applied140
Annual amt. sludge disposed surface unit140
Annual amt sludge disposed in landfill140
Annual amt sludge transported interstate140
Unit w/liner/leachate collection system140
Boundary areas140
Salmonella140
Pollutant table from 503.13140
Annual whole sludge application rate120

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 TX0104060.

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 NPDES permit TX0104060 for the DEL LAGO ESTATES WWTP in Montgomery, TX, held by DEL LAGO ESTATES WSC, which discharges to LAKE CONROE in the Town Creek-Conroe Lake subwatershed (HUC 120401010206). The permit is administratively continued, a Minor discharger class, with 37 pollutants on file, 4 of them under a numeric limit and 4 with an effluent exceedance.