Clean Water Act discharge permit · NPDES TXG111446

ALAMO CONCRETE PRODUCTS PLANT 108, Houston, TX: NPDES TXG111446 discharge permit, effluent exceedances, inspections, penalties

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

ALAMO CONCRETE PRODUCTS PLANT 108, held by ALAMO CONCRETE PRODUCTS COMPANY, holds NPDES permit TXG111446, which discharges to Clear Creek. EPA’s file records it issued March 17, 2017 and expiring November 7, 2021.

ALAMO CONCRETE PRODUCTS PLANT 108, Houston, Texas: Coverage under a general permit TXG111446, held by ALAMO CONCRETE PRODUCTS COMPANY; Administratively continued (past its expiration date and still in force until reissued); issued March 17, 2017, term to November 7, 2021; discharges to CLEAR CREEK.

pH: 4 limits, 18 violations of any kind, 0 effluent exceedances.
Solids, total suspended: 2 limits, 9 violations of any kind, 0 effluent exceedances.
Oil & Grease: 2 limits, 9 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 2 limits, 8 violations of any kind, 0 effluent exceedances.
LC50 Pass/Fail Static 24Hr Acute D. Pulex: 2 limits, 2 violations of any kind, 0 effluent exceedances.
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas: 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.

Other permits held by ALAMO CONCRETE PRODUCTS COMPANY

ALAMO CONCRETE PRODUCTS PLANT 82, Kenedy: TXG110078, issued March 14, 2017
ALAMO CONCRETE PRODUCTS OLD OCEAN PLANT 58, Old Ocean: TXG110080, issued March 14, 2017
ALAMO CONCRETE PRODUCTS PLANT 73, Floresville: TXG110089, issued March 16, 2017
ALAMO CONCRETE PRODUCTS PLANT 77, Kerrville: TXG110090, issued March 16, 2017
ALAMO CONCRETE PRODUCTS PLANT 3, San Antonio: TXG110092, issued March 16, 2017
ALAMO CONCRETE PRODUCTS SAN ANTONIO PLANT 4, San Antonio: TXG110093, issued March 16, 2017
ALAMO CONCRETE PRODUCTS PLANT 8, San Antonio: TXG110095, issued March 16, 2017
ALAMO CONCRETE PRODUCTS PLANT 28, San Antonio: TXG110096, issued March 16, 2017
ALAMO CONCRETE PRODUCTS PLANT 13, Ingleside: TXG110107, issued March 16, 2017
ALAMO CONCRETE PRODUCTS PLANT 84, Elgin: TXG110563, issued March 16, 2017

ALAMO CONCRETE PRODUCTS PLANT 108 among its neighbors

EPA’s permit file holds 560 discharge permits in the Clear Creek-Frontal Galveston Bay subwatershed (HUC 120402040100), TXG111446 among them. Its county holds 4,455, 195 of them major permits; TXG111446 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	ALAMO CONCRETE PRODUCTS PLANT 108
Permittee as filed	ALAMO CONCRETE PRODUCTS COMPANY
NPDES ID	TXG111446
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	March 17, 2017
Expiration date	November 7, 2021
Address	Houston, TX 77047
Receiving water	CLEAR CREEK
Subwatershed	Clear Creek-Frontal Galveston Bay (HUC 120402040100)
SIC	3273 – Ready-Mixed Concrete

Effluent limits and exceedances

20Pollutants on file
20Under a numeric limit
6With a violation of any kind
0With 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
pH	4	18
Solids, total suspended	2	9
Oil & Grease	2	9
Flow, in conduit or thru treatment plant	2	8
LC50 Pass/Fail Static 24Hr Acute D. Pulex	2	2
LC50 Pass/Fail Static 24Hr Acute Pimephales promelas	2	2
Arsenic, total [as As]	2	0
Barium, total [as Ba]	2	0
Cadmium, total [as Cd]	2	0
Chromium, total [as Cr]	2	0
Copper, total [as Cu]	2	0
Lead, total [as Pb]	2	0
Manganese, total [as Mn]	2	0
Nickel, total [as Ni]	2	0
Silver, total [as Ag]	2	0
Zinc, total [as Zn]	2	0
Selenium, total [as Se]	2	0
Whole effluent toxicity - retest #1	2	0
Whole effluent toxicity - retest #2	2	0
Mercury, total [as Hg]	2	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TXG111446.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXG111446.

Inspections

EPA’s inspection file holds no inspection for NPDES TXG111446.

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 TXG111446.

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

This public-records page covers the NPDES discharge permit TXG111446, held by ALAMO CONCRETE PRODUCTS COMPANY for ALAMO CONCRETE PRODUCTS PLANT 108 in Houston, TX, which discharges to CLEAR CREEK within the Clear Creek-Frontal Galveston Bay subwatershed (HUC 120402040100). The page lists a permit status of administratively continued, a discharger class of Minor, 20 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance. The permit was issued March 17, 2017 and expired November 7, 2021.