Clean Water Act discharge permit · NPDES TX0137448

COTTONWOOD CREEK WWTP, Manor, TX: NPDES TX0137448 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
3Pollutants with an effluent exceedance

COTTONWOOD CREEK WWTP, held by MANOR, CITY OF, holds NPDES permit TX0137448, which discharges to Colorado River Above La Grange. EPA’s file records it issued June 18, 2020 and expiring June 18, 2025. 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 filed	COTTONWOOD CREEK WWTP
Permittee as filed	MANOR, CITY OF
NPDES ID	TX0137448
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	June 18, 2020
Expiration date	June 18, 2025
Address	Manor, TX 78653
Receiving water	Colorado River Above La Grange
Subwatershed	Cottonwood Creek (HUC 120903010102)
SIC	4952 – 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

9Pollutants on file
9Under a numeric limit
6With a violation of any kind
3With an effluent exceedance

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 measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Solids, total suspended	3	16	13	May 31, 2023	1,280% over the limit
Nitrogen, ammonia total [as N]	3	5	2	September 30, 2023	32% over the limit
pH	2	3	2	November 30, 2024
Phosphorus, total [as P]	3	3	0
BOD, carbonaceous [5 day, 20 C]	3	2	0
E. coli	2	1	0
Flow, in conduit or thru treatment plant	2	0	0
Chlorine, total residual	2	0	0
Oxygen, dissolved [DO]	1	0	0

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES TX0137448.

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.

Watch this permit

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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 TX0137448 there.

Nearby on the register

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

This public-records page covers NPDES permit TX0137448 for the Cottonwood Creek WWTP in Manor, TX, held by Manor, City of, which discharges to the Colorado River Above La Grange. The permit is listed as administratively continued, with an issue date of June 18, 2020 and an expiration date of June 18, 2025, and the page reports a discharger class of 9, 3 pollutants under a numeric limit, and 3 pollutants with an effluent exceedance.