Clean Water Act discharge permit · NPDES ALR10C7YZ

HMCRA NEW SIDINGS 1, 2, & 3, Huntsville, AL: NPDES ALR10C7YZ discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
1Inspections on file
0Formal enforcement actions

HMCRA NEW SIDINGS 1, 2, & 3, held by Huntsville & Madison County Railroad Authority, holds NPDES permit ALR10C7YZ. EPA’s file records it issued April 30, 2026 and expiring March 31, 2031.

HMCRA NEW SIDINGS 1, 2, & 3, Huntsville, Alabama: Coverage under a general permit ALR10C7YZ, held by Huntsville & Madison County Railroad Authority; Construction stormwater; Effective; issued April 30, 2026, term to March 31, 2031, by State; Other Heavy and Civil Engineering Construction.

June 24, 2026: Evaluation (S).

Alabama holds 7,857 Construction stormwater coverages of this permit type in EPA’s file; 7,186 were issued before ALR10C7YZ.

Coverages issued nearest ALR10C7YZ

April 30, 2026: MERIDIAN COMMONS - 25507, Huntsville, ALR10C7YU, held by JS BUILDING COMPANY, INC.
April 30, 2026: MEADOWCREST PHASE II, Hazel Green, ALR10C7YV, held by DSLD Homes Gulf Coast, LLC
April 30, 2026: CASTLEROCK STONEGATE PHASE 3, Madison, ALR10C7YW, held by Castlerock Communities Alabama, LLC
April 30, 2026: HERENCIA APARTMENTS, Decatur, ALR10C7YX, held by Hernandez Universal Construction, Inc.
April 30, 2026: ATRP2-52-2023-485, Trinity, ALR10C7YY, held by Town of Trinity
April 30, 2026: TVA THORTON BRANCH SWITCHING STATION, Tuscumbia, ALR10C7Z0, held by Tennessee Valley Authority
April 30, 2026: SWAN CREEK SHOPPING CENTER, Athens, ALR10C7Z1, held by NRE Swan Creek, LLC
April 30, 2026: THE RIDGE ON WOLF CREEK, Foley, ALR10C7Z2, held by RCI Contractors & Engineers, Inc.
April 30, 2026: OAKMONT ENTERPRISES LLC, Grant, ALR10C7Z3, held by Oakmont Enterprises LLC
April 30, 2026: BLACKBERRY RESERVE-TRADEMARK, Opelika, ALR10C7Z4, held by Trademark Quality Homes, Inc.

HMCRA NEW SIDINGS 1, 2, & 3 among its neighbors

EPA’s permit file holds 24 discharge permits in the Aldridge Creek subwatershed (HUC 060300020903), ALR10C7YZ among them. Its county holds 1,103, 7 of them major permits; ALR10C7YZ is a minor permit.

Other permits in the Aldridge Creek subwatershed (HUC 060300020903)

12004 MEMORIAL PARKWAY SW, Huntsville: ALR10C5DA, minor permit, permit term to March 31, 2026
ABACO SYSTEMS INC, Huntsville: ALNE00224, minor permit, permit term to April 28, 2030
ALDRIDGE CREEK WWTP, Huntsville: AL0056855, major permit, permit term to November 30, 2020
BLUE AT VALLEY BEND, Huntsville: ALR10C34S, minor permit, permit term to March 31, 2026
CITY OF HUNTSVILLE, Huntsville: ALL056855, minor permit, permit term to December 31, 2025
COBB'S COVE, Huntsville: ALR10BCEW, minor permit, permit term to March 31, 2021
DOTSON DRIVE EXTENSION, Huntsville: ALR10C786, minor permit, permit term to March 31, 2026
FARLEY ELEMENTARY SCHOOL ADDITION & RENOVATION, Huntsville: ALR10C81M, minor permit, permit term to March 31, 2031
LENDON CLUBHOUSE, Huntsville: ALR10C5LT, minor permit, permit term to March 31, 2026
LENDON CORNER - SWEET PINEAPPLE RETAIL, Huntsville: ALR10C6M3, minor permit, permit term to March 31, 2026

Identity

Facility as filed	HMCRA NEW SIDINGS 1, 2, & 3
Permittee as filed	Huntsville & Madison County Railroad Authority
NPDES ID	ALR10C7YZ
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	April 30, 2026
Expiration date	March 31, 2031
Issuing agency	State
Address	Huntsville, AL 35803
Receiving water impaired	303(D) Listed
Subwatershed	Aldridge Creek (HUC 060300020903)
NAICS	237990 – Other Heavy and Civil Engineering Construction
SIC	1629 – Heavy Construction

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 ALR10C7YZ.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES ALR10C7YZ.

Inspections

Date	What EPA recorded	Agency
June 24, 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 ALR10C7YZ.

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Nearby on the register

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

The permit filed as HMCRA NEW SIDINGS 1, 2, & 3 is one of 883 storm water construction permits in Madison County, Alabama, this one included. Of those 883 Madison County storm water construction permits, 0.0% have a violation on file, and this permit has none of its 0 pollutants under a numeric limit or 0 pollutants with an effluent exceedance. Among those 883 permits, 94.2% were issued earlier than this one, which was issued April 30, 2026, and it sits among 24 NPDES permits in the Aldridge Creek subwatershed, this one included.