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Clean Water Act discharge permit · NPDES ALR10C5WB

A24-300 SUBSTATION #25 RSA, Huntsville, AL: NPDES ALR10C5WB discharge permit, effluent exceedances, inspections, penalties

A24-300 SUBSTATION #25 RSA, held by Grayson Carter and Son Contracting, holds NPDES permit ALR10C5WB. EPA’s file records it issued October 22, 2024 and expiring March 31, 2026.

A24-300 SUBSTATION #25 RSA, Huntsville, Alabama: Coverage under a general permit ALR10C5WB, held by Grayson Carter and Son Contracting; Construction stormwater; Administratively continued (past its expiration date and still in force until reissued); issued October 22, 2024, term to March 31, 2026, by State.

Alabama holds 7,857 Construction stormwater coverages of this permit type in EPA’s file; 5,301 were issued before ALR10C5WB. Grayson Carter and Son Contracting holds 14 permits in Alabama.

Other permits held by Grayson Carter and Son Contracting

Coverages issued nearest ALR10C5WB

A24-300 SUBSTATION #25 RSA among its neighbors

EPA’s permit file holds 133 discharge permits in the Lower Huntsville Spring Branch subwatershed (HUC 060300020503), ALR10C5WB among them. Its county holds 1,103, 7 of them major permits; ALR10C5WB is a minor permit.

Other permits in the Lower Huntsville Spring Branch subwatershed (HUC 060300020503)

What the register holds for A24-300 SUBSTATION #25 RSA: its NPDES ID, its permit type and status, its dates, its address in Huntsville, Alabama. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ALR10C5WB.

Identity

Facility as filedA24-300 SUBSTATION #25 RSA
Permittee as filedGrayson Carter and Son Contracting
NPDES IDALR10C5WB
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedOctober 22, 2024
Expiration dateMarch 31, 2026
Issuing agencyState
AddressHuntsville, AL 35808
SubwatershedLower Huntsville Spring Branch (HUC 060300020503)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES ALR10C5WB.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES ALR10C5WB.

Inspections

EPA’s inspection file holds no inspection for NPDES ALR10C5WB.

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 ALR10C5WB.

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, ALR10C5WB.

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Nearby on the register

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

What this page shows

The Storm Water Construction coverage A24-300 SUBSTATION #25 RSA (NPDES ID ALR10C5WB), held by Grayson Carter and Son Contracting in Huntsville, Madison County, Alabama, is one of 883 storm water construction permits in Madison County. Of those 883 permits, 71.1% were issued earlier than this one, which was issued October 22, 2024. The permit sits within a subwatershed that contains 133 NPDES permits, this one included, and it has no pollutants under a numeric limit and no effluent exceedances on file.