Clean Water Act discharge permit · NPDES TX0135950

MAMMOET USA, Rosharon, TX: NPDES TX0135950 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
4Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

MAMMOET USA, held by MAMMOET USA SOUTH INC, holds NPDES permit TX0135950. EPA’s file records it issued June 30, 2015 and expiring September 1, 2018. 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	MAMMOET USA
Permittee as filed	MAMMOET USA SOUTH INC
NPDES ID	TX0135950
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	June 30, 2015
Expiration date	September 1, 2018
Address	Rosharon, TX 77583
Subwatershed	Austin Bayou (HUC 120402050300)
SIC	4213 – Trucking, Except Local

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

4Pollutants on file
4Under a numeric limit
4With 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	2	22
Oil & Grease	2	22
Flow, in conduit or thru treatment plant	2	22
Oxygen demand, chem. [high level] [COD]	1	11

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TX0135950.

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 TX0135950.

Inspections

EPA’s inspection file holds no inspection for NPDES TX0135950.

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 TX0135950.

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 TX0135950 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES TX0135950, held by MAMMOET USA SOUTH INC for the facility listed as MAMMOET USA in Rosharon, TX, and shows the permit as administratively continued, a Minor Discharger class 4 status. The page lists 4 pollutants on file, all 4 under a numeric limit, and 0 with an effluent exceedance, with 4 showing a violation of any kind. The permit's issue and expiration dates are June 30, 2015 and September 1, 2018, and the subwatershed is Austin Bayou (HUC 120402050300).