Clean Water Act discharge permit · NPDES TXR1543YP

RED BLUFF TERRACE PHASE I - CIP S248, Pasadena, TX: NPDES TXR1543YP discharge permit, effluent exceedances, inspections, penalties

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

RED BLUFF TERRACE PHASE I - CIP S248, held by Mar-Con Services, LLC., holds NPDES permit TXR1543YP, which discharges to Houston Ship Channel. EPA’s file records it issued June 18, 2026 and expiring March 4, 2028.

RED BLUFF TERRACE PHASE I - CIP S248, Pasadena, Texas: Coverage under a general permit TXR1543YP, held by Mar-Con Services, LLC.; Construction stormwater; Effective; issued June 18, 2026, term to March 4, 2028; discharges to HOUSTON SHIP CHANNEL.

Texas holds 23,986 Construction stormwater coverages of this permit type in EPA’s file; 21,940 were issued before TXR1543YP. Mar-Con Services, LLC. holds 3 permits in Texas.

Other permits held by Mar-Con Services, LLC.

RED BLUFF TERRACE PHASE II - CIP S249, Pasadena: TXR1542YP, issued June 18, 2026
ROADWAY IMPROVEMENTS - SOUTH HOUSTON - 2024 - 260026, South Houston: TXR1544YP, issued June 18, 2026

Coverages issued nearest TXR1543YP

June 18, 2026: AUSTIN WALDORF SCHOOL, Austin, TXR1538YP, held by Austin Waldorf School, Inc.
June 18, 2026: ANAQUA SPRINGS RANCH, Boerne, TXR1539YP, held by Ben Negru
June 18, 2026: GRAND WEST CROSSING BUILDING 3 AND 4, Katy, TXR1540YP, held by Rino Construction, Llc
June 18, 2026: WILD OAKS PHS 1, Shady Shores, TXR1541YP, held by Atmos Energy Corporation
June 18, 2026: RED BLUFF TERRACE PHASE II - CIP S249, Pasadena, TXR1542YP, held by Mar-Con Services, LLC.
June 18, 2026: ROADWAY IMPROVEMENTS - SOUTH HOUSTON - 2024 - 260026, South Houston, TXR1544YP, held by Mar-Con Services, LLC.
June 18, 2026: WILD OAKS PHS 1, Shady Shores, TXR1545YP, held by Rd Underground Construction Inc
June 18, 2026: 26034 FRISCO STREET, Frisco, TXR1548YP, held by Mario Sinacola & Sons Excavating, Inc.
June 18, 2026: FOUR SEASONS AT ELEVON, Lavon, TXR1549YP, held by K. Hovnanian Homes - DFW, L.L.C.
June 18, 2026: COLONY LANDING, Bryan, TXR1550YP, held by Keys & Walsh Builders, LLC

RED BLUFF TERRACE PHASE I - CIP S248 among its neighbors

EPA’s permit file holds 301 discharge permits in the Vince Bayou-Buffalo Bayou subwatershed (HUC 120401040703), TXR1543YP among them. Its county holds 4,455, 195 of them major permits; TXR1543YP is a minor permit.

Other permits in the Vince Bayou-Buffalo Bayou subwatershed (HUC 120401040703)

019-HOU3-22 HOUSTON CONCRETE SILOS, Houston: TXR1594NZ, minor permit, discharging to HOUSTON SHIP CHANNEL/BUFFALO BAYOU TIDAL, permit term to March 4, 2028
1111 FANNIN, Houston: TXR1556LZ, minor permit, permit term to March 4, 2028
225 RAIL YARD, Pasadena: TXR15425W, minor permit, discharging to HOUSTON SHIP CHANNEL/BUFFALO BAYOU TIDAL, permit term to March 4, 2023
500 MAYO SHELL ROAD, Galena Park: TXR05GS62, minor permit, permit term to August 13, 2026
69TH ST WWTP, Houston: TX0096172, major permit, discharging to Buffalo Bayou, permit term to September 1, 2002
8815 MISSISSIPPI, Houston: TXR05GD86, minor permit, permit term to August 13, 2026
8825 MISSISSIPPI STREET, Houston: TXR05GE47, minor permit, permit term to August 13, 2026
A AND A METALS, Houston: TXRNEBJ94, minor permit, permit term to August 13, 2026
AEI RED BLUFF, Pasadena: TXRNECR17, minor permit, permit term to August 13, 2026
AES DEEPWATER COGENERATION PLA, Pasadena: TX0128830, minor permit, discharging to UNNAMED DITCH, VINCE BAYOU TIDAL PO, permit term to September 1, 2017

What the register holds for RED BLUFF TERRACE PHASE I - CIP S248: its NPDES ID, its permit type and status, its dates, its address in Pasadena, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1543YP.

Identity

Facility as filed	RED BLUFF TERRACE PHASE I - CIP S248
Permittee as filed	Mar-Con Services, LLC.
NPDES ID	TXR1543YP
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	June 18, 2026
Expiration date	March 4, 2028
Address	Pasadena, TX 77506
Receiving water	HOUSTON SHIP CHANNEL
Subwatershed	Vince Bayou-Buffalo Bayou (HUC 120401040703)

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1543YP.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1543YP.

Inspections

EPA’s inspection file holds no inspection for NPDES TXR1543YP.

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 TXR1543YP.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, TXR1543YP.

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Nearby on the register

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

The RED BLUFF TERRACE PHASE I - CIP S248 storm water construction permit sits among 2,031 such permits in Harris County, and only 0.1% of those carry a violation on file. Among the 288 NPDES permits in the Vince Bayou-Buffalo Bayou subwatershed, this one is also listed, and it shows no pollutant under a numeric limit and no effluent exceedance.