Clean Water Act discharge permit · NPDES TXR040540

CITY OF MURPHY MS4, Murphy, TX: NPDES TXR040540 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
2Inspections on file
0Formal enforcement actions

CITY OF MURPHY MS4, held by CITY OF MURPHY, holds NPDES permit TXR040540, which discharges to Lake Ray Hubbard. EPA’s file records it issued January 24, 2024 and expiring January 24, 2024.

CITY OF MURPHY MS4, Murphy, Texas: Coverage under a general permit TXR040540, held by CITY OF MURPHY; Administratively continued (past its expiration date and still in force until reissued); issued January 24, 2024, term to January 24, 2024, by TCEQ; discharges to LAKE RAY HUBBARD.

August 21, 2026: Follow-Up (S).
April 20, 2026: Permit Violations - Violation Specified in Comment (ST6).
April 20, 2026: Evaluation (S).
March 30, 2023: Permit Violations - Violation Specified in Comment (ST6).

CITY OF MURPHY MS4 among its neighbors

EPA’s permit file holds 77 discharge permits in the Muddy Creek-Lake Ray Hubbard subwatershed (HUC 120301060403), TXR040540 among them. Its county holds 1,523, 14 of them major permits; TXR040540 is a minor 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 PARKER MS4, Parker: TXR040841, not classed
CITY OF PLANO MS4, Plano: TXS001801, major permit, permit term to July 20, 2012
CITY OF ROWLETT MS4, Rowlet: TXR040936, minor permit, permit term to August 14, 2029

Identity

Facility as filed	CITY OF MURPHY MS4
Permittee as filed	CITY OF MURPHY
NPDES ID	TXR040540
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	January 24, 2024
Expiration date	January 24, 2024
Issuing agency	TCEQ
Address	Murphy, TX 75094
Receiving water	LAKE RAY HUBBARD
Subwatershed	Muddy Creek-Lake Ray Hubbard (HUC 120301060403)
SIC	9199 – General Government

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 TXR040540.

Inspections, violations and enforcement

2Single-event violations

Date	What EPA recorded	Agency
April 20, 2026	Permit Violations - Violation Specified in Comment	ST6
March 30, 2023	Permit Violations - Violation Specified in Comment	ST6

Inspections

Date	What EPA recorded	Agency
August 21, 2026	Follow-Up	S
April 20, 2026	Evaluation	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 TXR040540.

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, TXR040540.

Start the watch

How we handle your data → Privacy

Nearby on the register

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

This public-records page covers Clean Water Act NPDES permit TXR040540, held by CITY OF MURPHY for its CITY OF MURPHY MS4 facility in Murphy, TX, which discharges to LAKE RAY HUBBARD in the Muddy Creek-Lake Ray Hubbard subwatershed (HUC 120301060403). The page lists permit status as administratively continued, a Minor discharger class, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance.