Clean Water Act discharge permit · NPDES TX0087793

WOODLANDS SAND AND GRAVEL PLANT, Conroe, TX: NPDES TX0087793 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
4Pollutants under a numeric limit
1Pollutants with an effluent exceedance

WOODLANDS SAND AND GRAVEL PLANT, held by HANSON AGGREGATES LLC, holds NPDES permit TX0087793, which discharges to San Jacinto River Basin. EPA’s file records it issued September 24, 2013 and expiring July 1, 2018. 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 filed	WOODLANDS SAND AND GRAVEL PLANT
Permittee as filed	HANSON AGGREGATES LLC
NPDES ID	TX0087793
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	September 24, 2013
Expiration date	July 1, 2018
Address	Conroe, TX 77385
Receiving water	SAN JACINTO RIVER BASIN
Subwatershed	White Oak Creek-West Fork San Jacinto River (HUC 120401010404)
Other EPA IDs (FRS)	ICIS-AIR source TX0000004833900422

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

4Pollutants on file
4Under 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	Largest exceedance, as filed
Aluminum, total [as Al]	1	99	4	May 31, 2020	559% over the limit
pH	2	191	0
Solids, total suspended	2	190	0
Flow, in conduit or thru treatment plant	2	186	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 TX0087793.

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 TX0087793 there.

Nearby on the register

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

The Woodlands Sand and Gravel Plant in Conroe, TX holds NPDES permit TX0087793, held by Hanson Aggregates LLC, which discharges to the San Jacinto River Basin, with the permit file recording issuance on September 24, 2013 and expiration on July 1, 2018. The record lists the permit as administratively continued, with a permit status of Minor, a discharger class of 4, one pollutant under a numeric limit, and one pollutant with an effluent exceedance.