Clean Water Act discharge permit · NPDES TXRNEBS75

REGAL RESEARCH AND MANUFACTURING, Plano, TX: NPDES TXRNEBS75 discharge permit, effluent exceedances, inspections, penalties

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

REGAL RESEARCH AND MANUFACTURING, held by Regal Research and Mfg. Co. LLC, holds NPDES permit TXRNEBS75. EPA’s file records it issued November 24, 2021 and expiring August 13, 2026.

REGAL RESEARCH AND MANUFACTURING, Plano, Texas: Coverage under a general permit TXRNEBS75, held by Regal Research and Mfg. Co. LLC; Industrial stormwater; Administratively continued (past its expiration date and still in force until reissued); issued November 24, 2021, term to August 13, 2026.

Texas holds 8,480 Industrial stormwater coverages of this permit type in EPA’s file; 2,205 were issued before TXRNEBS75. Regal Research and Mfg. Co. LLC holds 2 permits in Texas.

Other permits held by Regal Research and Mfg. Co. LLC

REGAL RESEARCH AND MFG, Plano: TXRNECE37, issued August 22, 2023

Coverages issued nearest TXRNEBS75

November 24, 2021: NOR-FLEET CAMS, Dallas, TXRNEBS70, held by David Heather Dba Nor-Fleet Cams
November 24, 2021: MCM PLASTICS, Houston, TXRNEBS71, held by MCM Plastics, Inc.
November 24, 2021: TRACTOR SUPPLY DC 398, Waco, TXRNEBS72, held by Tractor Supply Co. of Texas, LP
November 24, 2021: TRACTOR SUPPLY MIXING CENTER 321, Seguin, TXRNEBS73, held by Tractor Supply Co. of Texas, LP
November 24, 2021: TRACTOR SUPPLY MIXING CENTER 235, Longview, TXRNEBS74, held by Tractor Supply Co. of Texas, LP
November 24, 2021: GXO LOGISTICS SUPPLY CHAIN, San Antonio, TXRNEBS76, held by Gxo Logistics Supply Chain, Inc.
November 26, 2021: A AUTO PARTS ERNIES, Dallas, TXR05FJ95, held by Ernesto Jauregui
November 29, 2021: WIKA INSTRUMENT, Pasadena, TXR05FJ97, held by Wika Instrument, LP
November 29, 2021: SAFRAN HELICOPTOR ENGINES USA, Grand Prairie, TXR05FJ98, held by Safran Helicopter Engines Usa, Inc.
November 29, 2021: MID WAY REGIONAL AIRPORT, Midlothian, TXR05FJ99, held by Mid-Way Regional Airport

REGAL RESEARCH AND MANUFACTURING among its neighbors

EPA’s permit file holds 67 discharge permits in the Pittman Creek-Spring Creek subwatershed (HUC 120301060407), TXRNEBS75 among them.

Other permits in the Pittman Creek-Spring Creek subwatershed (HUC 120301060407)

2700 PLANO PARKWAY CONDOMINIUMS, Plano: TXR1549SK, minor permit, discharging to PRAIRIE CREEK, permit term to March 4, 2028
2700 PLANO PARKWAY REDEVELOPMENT, Plano: TXR1540SH, minor permit, discharging to PRAIRIE CREEK, permit term to March 4, 2028
ADVANTAGE MACHINE, Plano: TXRNECQ19, minor permit, permit term to August 13, 2026
ANATOLE LOT 89, Atlanta: GAR368828, minor permit, permit term to July 31, 2018
ANATOLE LOT - 91, Atlanta: GAR368829, minor permit, permit term to July 31, 2018
ARAPAHO TOWNHOMES, Garland: TXR1520QH, minor permit, discharging to SPRING CREEK, permit term to March 4, 2028
AURA J PLACE ADDITION, Plano: TXR1557QQ, minor permit, discharging to SPRING CREEK TO ROWLETT CREEK, permit term to March 4, 2028
BOX GLENVILLE, Richardson: TXR1578XY, minor permit, discharging to SPRING CREEK, permit term to March 4, 2028
BRAND RD FROM PRES GEORGE BUSH HWY TO MURFIELD DR, Garland: TXR1582WE, minor permit, discharging to SPRING CREEK, permit term to March 4, 2028
CALLEJO ROAD RECONSTRUCTION, Garland: TXR1566QQ, minor permit, discharging to SPRING CREEK, permit term to March 4, 2028

What the register holds for REGAL RESEARCH AND MANUFACTURING: its NPDES ID, its permit type and status, its dates, its address in Plano, Texas. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXRNEBS75.

Identity

Facility as filed	REGAL RESEARCH AND MANUFACTURING
Permittee as filed	Regal Research and Mfg. Co. LLC
NPDES ID	TXRNEBS75
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
Program	Industrial stormwater
Issued	November 24, 2021
Expiration date	August 13, 2026
Address	Plano, TX 75074
Subwatershed	Pittman Creek-Spring Creek (HUC 120301060407)
SIC	3499 – Fabricated Metal Products

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 TXRNEBS75.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXRNEBS75.

Inspections

EPA’s inspection file holds no inspection for NPDES TXRNEBS75.

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 TXRNEBS75.

Watch this permit

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Nearby on the register

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

REGAL RESEARCH AND MANUFACTURING, a Storm Water Industrial permit in Plano, Texas, is one of 17 such permits in the city, and 0.0% of those 17 permits carry a violation on file. Of the 65 NPDES permits in the Pittman Creek-Spring Creek subwatershed, this permit is one of them, and 11.8% of the 17 Plano storm water industrial permits were issued earlier than this one. The permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance, both counted as 0.