Clean Water Act discharge permit · NPDES TXG113604

ELLINGTON PLANT, Houston, TX: NPDES TXG113604 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
20Pollutants under a numeric limit
1Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

ELLINGTON PLANT, held by Alleyton Resource Company, LLC, holds NPDES permit TXG113604. EPA’s file records it issued January 22, 2024 and expiring November 6, 2026.

ELLINGTON PLANT, Houston, Texas: Coverage under a general permit TXG113604, held by Alleyton Resource Company, LLC; Effective; issued January 22, 2024, term to November 6, 2026.

pH: 4 limits, 5 violations of any kind, 1 effluent exceedance, latest December 31, 2025.
Solids, total suspended: 2 limits, 2 violations of any kind, 0 effluent exceedances.
Oil & Grease: 2 limits, 2 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 2 limits, 2 violations of any kind, 0 effluent exceedances.
Arsenic, total [as As]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Barium, total [as Ba]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Cadmium, total [as Cd]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Chromium, total [as Cr]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Copper, total [as Cu]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Lead, total [as Pb]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Manganese, total [as Mn]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Nickel, total [as Ni]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Silver, total [as Ag]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Zinc, total [as Zn]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Selenium, total [as Se]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Whole effluent toxicity - retest #1: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Whole effluent toxicity - retest #2: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Mercury, total [as Hg]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
LC50 Pass/Fail Static 24Hr Acute D. Pulex: 2 limits, 0 violations of any kind, 0 effluent exceedances.
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas: 2 limits, 0 violations of any kind, 0 effluent exceedances.

Other permits held by Alleyton Resource Company, LLC

PLANT 12, Pinehurst: TXG112588, issued November 21, 2019
PLANT 13, Rosenberg: TXG113412, issued May 24, 2023
FULTON PLANT, Houston: TXG113603, issued January 22, 2024
CINCO PLANT, Richmond: TXG113605, issued January 22, 2024
BAYTOWN PLANT, Baytown: TXG113606, issued January 22, 2024
BAYPORT PLANT, Pasadena: TXG113607, issued January 22, 2024
TUF-CRETE PLANT, Conroe: TXG113608, issued January 22, 2024
TOMBALL PLANT, Tomball: TXG113609, issued January 22, 2024
RICHMOND PLANT, Richmond: TXG113610, issued January 22, 2024
RENWICK PLANT, Houston: TXG113611, issued January 22, 2024

ELLINGTON PLANT among its neighbors

EPA’s permit file holds 560 discharge permits in the Clear Creek-Frontal Galveston Bay subwatershed (HUC 120402040100), TXG113604 among them. Its county holds 4,455, 195 of them major permits; TXG113604 is a minor permit.

Other permits in the Clear Creek-Frontal Galveston Bay subwatershed (HUC 120402040100)

10 PUBLIC SANITARY SEWER RELOCATION PLANS FOR EDG, Seabrook: TXR1567OE, minor permit, discharging to TAYLOR LAKE, permit term to March 4, 2028
11806 PORT ROAD, Seabrook: TXR1501PX, minor permit, discharging to BAYPORT CHANNEL, permit term to March 4, 2028
3223-01 HMCL MOB3 - ASC, Houston: TXR1557VH, minor permit, discharging to CLEAR LAKE, permit term to March 4, 2028
34 ACRES EGRET BAY MASS GRADING, League City: TXR1555QU, minor permit, discharging to ROBINSON BAYOU, permit term to March 4, 2028
4 HORN PROPERTIES, Pasadena: TXR1565VB, minor permit, discharging to MIDDLE BAYOU, permit term to March 4, 2028
42 WL FROM CLCWA WP 3 TO LEAGUE CITY BOOSTER PUMP STATION, Webster: TXR1580WY, minor permit, discharging to COW BAYOU, permit term to March 4, 2028
541 WATER SYSTEM, Alvin: TX0141623, minor permit, discharging to DETENTION BASIN CHIGGER CRK;CLEAR CREEK, permit term to July 8, 2027
6951 MCHARD RD--JOJES CAPITAL, Houston: TXR1545QD, minor permit, discharging to CLEAR CREEK ABOVE TIDAL, permit term to March 4, 2028
A SCHULMAN, La Porte: TX0111350, minor permit, discharging to UNNAMED DITCH; TAYLOR BAYOU, permit term to August 1, 2021
ACC HOU - MCHARD, Fresno: TXR05GQ82, minor permit, permit term to August 13, 2026

Identity

Facility as filed	ELLINGTON PLANT
Permittee as filed	Alleyton Resource Company, LLC
NPDES ID	TXG113604
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	January 22, 2024
Expiration date	November 6, 2026
Address	Houston, TX 77034
Subwatershed	Clear Creek-Frontal Galveston Bay (HUC 120402040100)

Effluent limits and exceedances

20Pollutants on file
20Under a numeric limit
4With a violation of any kind
1With 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
pH	4	5	1	December 31, 2025
Solids, total suspended	2	2	0
Oil & Grease	2	2	0
Flow, in conduit or thru treatment plant	2	2	0
Arsenic, total [as As]	2	0	0
Barium, total [as Ba]	2	0	0
Cadmium, total [as Cd]	2	0	0
Chromium, total [as Cr]	2	0	0
Copper, total [as Cu]	2	0	0
Lead, total [as Pb]	2	0	0
Manganese, total [as Mn]	2	0	0
Nickel, total [as Ni]	2	0	0
Silver, total [as Ag]	2	0	0
Zinc, total [as Zn]	2	0	0
Selenium, total [as Se]	2	0	0
Whole effluent toxicity - retest #1	2	0	0
Whole effluent toxicity - retest #2	2	0	0
Mercury, total [as Hg]	2	0	0
LC50 Pass/Fail Static 24Hr Acute D. Pulex	2	0	0
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas	2	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXG113604.

Inspections

EPA’s inspection file holds no inspection for NPDES TXG113604.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES TXG113604.

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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers NPDES permit TXG113604 for the ELLINGTON PLANT in Houston, TX, held by Alleyton Resource Company, LLC, with the permit listed as Effective and a Minor discharger class. The page lists 20 pollutants on file, 20 pollutants under a numeric limit, 4 pollutants with a violation of any kind, and 1 pollutant with an effluent exceedance, with the permit issued January 22, 2024 and expiring November 6, 2026.