Clean Water Act discharge permit · NPDES ALG120428
METAL SOURCE LLC, Scottsboro, AL: NPDES ALG120428 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 24Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
METAL SOURCE LLC, held by Imperial Aluminum - Scottsboro LLC, holds NPDES permit ALG120428. EPA’s file records it issued July 27, 2023 and expiring September 30, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | METAL SOURCE LLC |
|---|---|
| Permittee as filed | Imperial Aluminum - Scottsboro LLC |
| NPDES ID | ALG120428 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | July 27, 2023 |
| Expiration date | September 30, 2027 |
| Issuing agency | State |
| Address | Scottsboro, AL 35769 |
| Subwatershed | Lower North Sauty Creek (HUC 060300010605) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 26Pollutants on file
- 24Under a numeric limit
- 21With a violation of any kind
- 1With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Oil & Grease | 2 | 3 | 3 | December 31, 2022 | 77% over the limit |
| pH | 4 | 12 | 0 | ||
| Solids, total suspended | 2 | 6 | 0 | ||
| Zinc, total [as Zn] | 2 | 6 | 0 | ||
| Cadmium, total recoverable | 2 | 6 | 0 | ||
| Lead, total recoverable | 2 | 6 | 0 | ||
| Copper, total recoverable | 2 | 6 | 0 | ||
| Rainfall | 2 | 6 | 0 | ||
| Oil and grease | 0 | 6 | 0 | ||
| Phosphorus, total [as P] | 1 | 4 | 0 | ||
| Naphthalene | 1 | 4 | 0 | ||
| Benzene, ethylbenzene, toluene, xylene combination | 0 | 4 | 0 | ||
| Nitrogen, total [as N] | 1 | 2 | 0 | ||
| Carbon, tot organic [TOC] | 1 | 2 | 0 | ||
| Cyanide, total [as CN] | 1 | 2 | 0 | ||
| Arsenic, total recoverable | 1 | 2 | 0 | ||
| Nickel, total recoverable | 1 | 2 | 0 | ||
| Silver total recoverable | 1 | 2 | 0 | ||
| Aluminum, total recoverable | 1 | 2 | 0 | ||
| Chromium, total recoverable | 1 | 2 | 0 | ||
| Mercury, total [as Hg] | 1 | 2 | 0 | ||
| Toluene | 1 | 0 | 0 | ||
| Benzene | 1 | 0 | 0 | ||
| Ethylbenzene | 1 | 0 | 0 | ||
| Annual Certification Statement | 1 | 0 | 0 | ||
| Xylene [mix of m+o+p] | 1 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES ALG120428.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID ALG120428 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.