Clean Water Act discharge permit · NPDES ALR10C81Q

HWASHIN PLANT, Greenville, AL: NPDES ALR10C81Q 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

HWASHIN PLANT, held by Dunn Building Company, LLC, holds NPDES permit ALR10C81Q. EPA’s file records it issued May 18, 2026 and expiring March 31, 2031.

HWASHIN PLANT, Greenville, Alabama: Coverage under a general permit ALR10C81Q, held by Dunn Building Company, LLC; Construction stormwater; Effective; issued May 18, 2026, term to March 31, 2031, by State.

Alabama holds 7,857 Construction stormwater coverages of this permit type in EPA’s file; 7,294 were issued before ALR10C81Q. Dunn Building Company, LLC holds 3 permits in Alabama.

Other permits held by Dunn Building Company, LLC

REDSTONE FEDERAL CREDIT UNION OPERATIONS SUPPORT BUILDING, Huntsville: ALR10C009, issued September 24, 2020
TRUCKWORX OFFICE FACILITY - BIRMINGHAM, ALABAMA, Birmingham: ALR10C6MF, issued April 30, 2025

Coverages issued nearest ALR10C81Q

May 18, 2026: WILSON COVE, Huntsville, ALR10C81K, held by Forestar (USA) Real Estate Group, Inc.
May 18, 2026: RSA MULTI-PURPOSE RANGE COMPLEX (MPRC), Huntsville, ALR10C81L, held by Grayson Carter & Son Contracting, Inc.
May 18, 2026: FARLEY ELEMENTARY SCHOOL ADDITION & RENOVATION, Huntsville, ALR10C81M, held by Pearce Construction Company, Inc.
May 18, 2026: 25-777, Florence, ALR10C81N, held by Joseph White
May 18, 2026: NHF-IMF-I085(378) PS 2272, Montgomery, ALR10C81P, held by ALDOT
May 18, 2026: KEEL CANAL RD SUBDIVISION, Orange Beach, ALR10C81R, held by Mark Keel Construction LLC
May 18, 2026: WYNN DR - RFCU AV STORAGE BUILDING, Huntsville, ALR10C81S, held by Redstone Federal Credit Union
May 18, 2026: MCR-2020-204B AND MCR-2022-204 PIERCE CREEK RD, Mobile, ALR10C81T, held by Mobile County Commission
May 19, 2026: HILLCROFT, Auburn, ALR10C81U, held by Holland Homes, LLC
May 19, 2026: TVA COLBERT - REYNOLDS OPGW PROJECT, Muscle Shoals, ALR10C81V, held by Tennessee Valley Authority

HWASHIN PLANT among its neighbors

EPA’s permit file holds 19 discharge permits in the Headwaters Persimmon Creek subwatershed (HUC 031403030102), ALR10C81Q among them. Its county holds 37, 1 of them major permits; ALR10C81Q is a minor permit.

Other permits in the Headwaters Persimmon Creek subwatershed (HUC 031403030102)

AIA RECYCLING CORPORATION, Greenville: ALG180812, minor permit, permit term to September 30, 2022
BOAN DIRT PIT NO. 2, Greenville: ALG890216, minor permit, permit term to January 31, 2023
BOAN PROPERTY BORROW PIT, Greenville: ALR162233, minor permit, permit term to April 29, 2012
BOUTWELL AUTO SALVAGE, Greenville: ALG180127, minor permit, permit term to September 30, 2017
BUTLER COUNTY REST AREA PIT, Greenville: ALG891036, minor permit, permit term to January 31, 2028
CITY OF GREENVILLE-LANDFILL, Greenville: ALG160070, minor permit, permit term to January 31, 2022
GREENVILLE ASPHALT PLANT, Greenville: ALG020221, minor permit, permit term to September 30, 2022
GREENVILLE PLANT, Greenville: ALG170032, minor permit, permit term to September 30, 2027
GREENVILLE SEWER EXTENSION, Greenville: ALR10C864, minor permit, permit term to March 31, 2031
GREENVILLE TRANSFER STATION, Greenville: ALG160160, minor permit, permit term to January 31, 2027

What the register holds for HWASHIN PLANT: its NPDES ID, its permit type and status, its dates, its address in Greenville, Alabama. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ALR10C81Q.

Identity

Facility as filed	HWASHIN PLANT
Permittee as filed	Dunn Building Company, LLC
NPDES ID	ALR10C81Q
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	May 18, 2026
Expiration date	March 31, 2031
Issuing agency	State
Address	Greenville, AL 36037
Subwatershed	Headwaters Persimmon Creek (HUC 031403030102)
Other EPA IDs (FRS)	RCRA handler ALR000035659

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 ALR10C81Q.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES ALR10C81Q.

Inspections

EPA’s inspection file holds no inspection for NPDES ALR10C81Q.

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 ALR10C81Q.

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, ALR10C81Q.

Start the watch

How we handle your data → Privacy

Nearby on the register

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

The HWASHIN PLANT storm water construction permit, held by Dunn Building Company, LLC in Greenville, Butler County, Alabama, is one of 12 storm water construction permits in Butler County on EPA's NPDES register, and it sits among 19 NPDES permits in the Headwaters Persimmon Creek subwatershed, this one included. Of those 12 Butler County permits, 66.7% were issued before this one, and none of them has a violation on file, which matches this permit's record of zero pollutants under a numeric limit and zero effluent exceedances.