Clean Water Act discharge permit · NPDES TXS001801

CITY OF PLANO MS4, Plano, TX: NPDES TXS001801 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

CITY OF PLANO MS4, held by PLANO,CITY OF, holds NPDES permit TXS001801. EPA’s file records it issued July 20, 2007 and expiring July 20, 2012.

CITY OF PLANO MS4, Plano, Texas: Individual permit TXS001801, held by PLANO,CITY OF; Large municipal storm sewer systems; Administratively continued (past its expiration date and still in force until reissued); issued July 20, 2007, term to July 20, 2012.

May 19, 2026: Focused (S).

Texas holds 21 Large municipal storm sewer systems coverages of this permit type in EPA’s file; 1 were issued before TXS001801.

Coverages issued nearest TXS001801

June 30, 2006: DALLAS DISTRICT IN DALLAS, Dallas, TXS000702, held by TX DEPT. OF TRANSPORTATION-DAL
June 6, 2008: CITY OF LUBBOCK MS4, Lubbock, TXS001501, held by LUBBOCK, CITY OF
August 11, 2008: CORPUS CHRISTI, CITY OF, Corpus Christi, TXS000601
March 13, 2009: PORT OF HOUSTON AUTH MS4, Houston, TXS001202, held by PORT OF HOUSTON AUTHORITY
April 11, 2011: CITY OF SAN ANTONIO MS4, San Antonio, TXS001901, held by SAN ANTONIO, CITY OF
June 17, 2011: CITY OF GARLAND MS4, Collin County, TXS001001, held by GARLAND, CITY OF

CITY OF PLANO MS4 among its neighbors

EPA’s permit file holds 77 discharge permits in the Muddy Creek-Lake Ray Hubbard subwatershed (HUC 120301060403), TXS001801 among them. Its county holds 1,523, 14 of them major permits; TXS001801 is a major permit.

Other permits in the Muddy Creek-Lake Ray Hubbard subwatershed (HUC 120301060403)

402 S MAXWELL, Murphy: TXR1502QE, minor permit, discharging to MAXWELL CREEK, permit term to March 4, 2028
4900 CHESHIRE LANE, Parker: TXR1543GT, minor permit, discharging to COTTONWOOD CREEK, permit term to March 4, 2023
ALBERT RETAIL - WYLIE 4, Wylie: TXR1509YB, minor permit, discharging to UNNAMED TRIBUTARY OF MAXWELL CREEK, permit term to March 4, 2028
BAILEY ROAD RECONSTRUCTION BP-21-B01, Sachse: TXR1539SE, minor permit, discharging to LONG BRANCH, permit term to March 4, 2028
BATCH PLANT SUPPORTING 2302 TXDOT FM 2551, Allen: TXR1538VO, minor permit, discharging to UNNAMED TRIBUTARY OF MUDDY CREEK, permit term to March 4, 2028
CANTERBURY COVE ADDITION, Rowlett: TXR15172S, minor permit, discharging to LAKE RAY HUBBARD, permit term to March 4, 2023
CAREER TECHNICAL EDUCATION BUILDING, Wylie: TXR1573XH, minor permit, discharging to MUDDY CREEK, permit term to March 4, 2028
CITY OF MURPHY MS4, Murphy: TXR040540, minor permit, discharging to LAKE RAY HUBBARD, permit term to January 24, 2024
CITY OF PARKER MS4, Parker: TXR040841, not classed
CITY OF ROWLETT MS4, Rowlet: TXR040936, minor permit, permit term to August 14, 2029

Identity

Facility as filed	CITY OF PLANO MS4
Permittee as filed	PLANO,CITY OF
NPDES ID	TXS001801
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Major discharger
Facility type	Not a publicly owned treatment works
Program	Large municipal storm sewer systems
Issued	July 20, 2007
Expiration date	July 20, 2012
Address	Plano, TX 75074
Subwatershed	Muddy Creek-Lake Ray Hubbard (HUC 120301060403)
SIC	9111 – Executive Offices

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 TXS001801.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXS001801.

Inspections

Date	What EPA recorded	Agency
May 19, 2026	Focused	S

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 TXS001801.

Watch this permit

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Nearby on the register

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

The CITY OF PLANO MS4 permit is one of 3 Storm Water Medium/Large MS4s permits on EPA's NPDES register in Collin County, and it sits among 77 NPDES permits in the Muddy Creek-Lake Ray Hubbard subwatershed. The permit lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.