Clean Water Act discharge permit · NPDES ALG120322
ATI HUNTSVILLE OPERATIONS, A DIVISION OF ATI SPECIALTY ALLOYS & COMPONENTS, LLC, Huntsville, AL: NPDES ALG120322 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 18Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
ATI HUNTSVILLE OPERATIONS, A DIVISION OF ATI SPECIALTY ALLOYS & COMPONENTS, LLC, held by TDY Industries, LLC. D/b/a ATI Huntsville Operations, holds NPDES permit ALG120322. EPA’s file records it issued September 27, 2017 and expiring September 30, 2022. 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 | ATI HUNTSVILLE OPERATIONS, A DIVISION OF ATI SPECIALTY ALLOYS & COMPONENTS, LLC |
|---|---|
| Permittee as filed | TDY Industries, LLC. D/b/a ATI Huntsville Operations |
| NPDES ID | ALG120322 |
| 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 | September 27, 2017 |
| Expiration date | September 30, 2022 |
| Issuing agency | State |
| Address | Huntsville, AL 35806 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lower Indian Creek (HUC 060300020505) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 18Pollutants on file
- 18Under a numeric limit
- 1With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Total toxic organics [TTO] [40 CFR433] | 1 | 3 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Solids, total suspended | 1 | 0 | 0 | ||
| Oil & Grease | 1 | 0 | 0 | ||
| Nitrogen, total [as N] | 1 | 0 | 0 | ||
| Carbon, tot organic [TOC] | 1 | 0 | 0 | ||
| Cyanide, total [as CN] | 1 | 0 | 0 | ||
| Arsenic, total recoverable | 1 | 0 | 0 | ||
| Nickel, total recoverable | 1 | 0 | 0 | ||
| Silver total recoverable | 1 | 0 | 0 | ||
| Zinc, total [as Zn] | 1 | 0 | 0 | ||
| Aluminum, total recoverable | 1 | 0 | 0 | ||
| Cadmium, total recoverable | 1 | 0 | 0 | ||
| Lead, total recoverable | 1 | 0 | 0 | ||
| Chromium, total recoverable | 1 | 0 | 0 | ||
| Copper, total recoverable | 1 | 0 | 0 | ||
| Rainfall | 1 | 0 | 0 | ||
| Mercury, total [as Hg] | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES ALG120322.
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 ALG120322.
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.
Watch this permit
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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 ALG120322 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.