Clean Water Act discharge permit · NPDES TX0125369

REAGENT CHEMICAL JACINTOPORT, Houston, TX: NPDES TX0125369 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
7Pollutants under a numeric limit
4Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

REAGENT CHEMICAL JACINTOPORT, held by REAGENT CHEMICAL & RESEARCH INC, holds NPDES permit TX0125369, which discharges to Unnamed; Unnamed Ck;Carpenter'S Bayou; Hou Ship Ch. EPA’s file records it issued October 21, 2021 and expiring October 21, 2026.

REAGENT CHEMICAL JACINTOPORT, Houston, Texas: Individual permit TX0125369, held by REAGENT CHEMICAL & RESEARCH INC; Effective; issued October 21, 2021, term to October 21, 2026; discharges to UNNAMED; UNNAMED CK;CARPENTER'S BAYOU; HOU SHIP CH.

Oxygen demand, chem. [high level] [COD]: 3 limits, 61 violations of any kind, 16 effluent exceedances, latest August 31, 2025, largest 1,016% over the limit.
pH: 6 limits, 94 violations of any kind, 6 effluent exceedances, latest July 31, 2013.
Flow, in conduit or thru treatment plant: 6 limits, 88 violations of any kind, 1 effluent exceedance, latest February 28, 2022, largest 9% over the limit.
Oil & Grease: 3 limits, 55 violations of any kind, 1 effluent exceedance, latest September 30, 2004, largest 153% over the limit.
Copper, total [as Cu]: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Zinc, total [as Zn]: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Aluminum, total [as Al]: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Barium, total [as Ba]: 0 limits, 1 violation of any kind, 0 effluent exceedances.

Other permits held by REAGENT CHEMICAL & RESEARCH INC

REAGENT CHEMICAL COTULLA, Laredo: TX0133647, issued May 28, 2020

REAGENT CHEMICAL JACINTOPORT among its neighbors

EPA’s permit file holds 112 discharge permits in the Carpenters Bayou subwatershed (HUC 120401040702), TX0125369 among them. Its county holds 4,455, 195 of them major permits; TX0125369 is a minor permit.

Other permits in the Carpenters Bayou subwatershed (HUC 120401040702)

683 LF SANITARY SEWER FACILITIES ALONG WHOUSTON LAKE PKWY, Houston: TXR1523WG, minor permit, discharging to GREENS BAYOU, permit term to March 4, 2028
AMERICAN PALLET RECYCLING, Houston: TXR05FX71, minor permit, permit term to August 13, 2026
AXIS INDUSTRIES GARRETT ROAD, Houston: TXR05GC60, minor permit, permit term to August 13, 2026
BATTLEGROUND MATERIALS, Houston: TXR05HC33, minor permit, permit term to August 13, 2026
CARPENTERS BAYOU TRAIL AND PEDESTIRAN BIKE BRIDGE, Houston: TXR1511RZ, minor permit, discharging to CARPENTERS BAYOU, permit term to March 4, 2028
CARPENTERS LANDING EAST, Channelview: TXR1566QX, minor permit, discharging to CARPENTERS BAYOU, permit term to March 4, 2028
CARPENTERS LOGISTICS CENTER WWTF, Channelview: TX0145653, not classed
CE KING 66.72-ACRES, Houston: TXR1504ML, minor permit, discharging to SHELDON RESERVOIR, permit term to March 4, 2028
CHANNELVIEW CBP, Channelview: TXG113073, minor permit, permit term to November 6, 2026
CHANNELVIEW TERMINAL, Channelview: TX0136573, minor permit, discharging to CARPENTERS BAYOU TIDAL IN HSC, permit term to October 4, 2023

Identity

Facility as filed	REAGENT CHEMICAL JACINTOPORT
Permittee as filed	REAGENT CHEMICAL & RESEARCH INC
NPDES ID	TX0125369
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	October 21, 2021
Expiration date	October 21, 2026
Address	Houston, TX 77015
Receiving water	UNNAMED; UNNAMED CK;CARPENTER'S BAYOU; HOU SHIP CH
Subwatershed	Carpenters Bayou (HUC 120401040702)
SIC	7699 – Repair Services
Other EPA IDs (FRS)	RCRA handler TXR000087277

Effluent limits and exceedances

8Pollutants on file
7Under a numeric limit
8With a violation of any kind
4With 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
Oxygen demand, chem. [high level] [COD]	3	61	16	August 31, 2025	1,016% over the limit
pH	6	94	6	July 31, 2013
Flow, in conduit or thru treatment plant	6	88	1	February 28, 2022	9% over the limit
Oil & Grease	3	55	1	September 30, 2004	153% over the limit
Copper, total [as Cu]	2	4	0
Zinc, total [as Zn]	2	4	0
Aluminum, total [as Al]	2	4	0
Barium, total [as Ba]	0	1	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES TX0125369.

Inspections

EPA’s inspection file holds no inspection for NPDES TX0125369.

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 TX0125369.

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

This public-records page covers NPDES permit TX0125369 for REAGENT CHEMICAL JACINTOPORT in Houston, TX, held by REAGENT CHEMICAL & RESEARCH INC, with the permit status listed as Effective. The page lists 4 pollutants with an effluent exceedance and 7 pollutants under a numeric limit, and the Carpenters Bayou subwatershed is identified as HUC 120401040702.