Clean Water Act discharge permit · NPDES AL0000035
CONSTELLIUM MUSCLE SHOALS, LLC, Muscle Shoals, AL: NPDES AL0000035 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 29Pollutants under a numeric limit
- 18Pollutants with an effluent exceedance
CONSTELLIUM MUSCLE SHOALS, LLC, held by Constellium Muscle Shoals, LLC, holds NPDES permit AL0000035. EPA’s file records it issued May 30, 2024 and expiring May 31, 2029. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | CONSTELLIUM MUSCLE SHOALS, LLC |
|---|---|
| Permittee as filed | Constellium Muscle Shoals, LLC |
| NPDES ID | AL0000035 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 30, 2024 |
| Expiration date | May 31, 2029 |
| Issuing agency | State |
| Address | Muscle Shoals, AL 35661 |
| Subwatershed | Abernathy Bottom-Pond Creek (HUC 060300050802) |
| Other EPA IDs (FRS) | RCRA handler ALD095687679; ICIS-AIR source AL0000000103300007 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 43Pollutants on file
- 29Under a numeric limit
- 39With a violation of any kind
- 18With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 1 | 51 | 47 | January 31, 2024 | 479% over the limit |
| Coliform, fecal general | 0 | 27 | 21 | March 31, 2014 | 725% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 30 | 18 | July 31, 2013 | 99,999% over the limit |
| Oil and grease | 0 | 31 | 16 | December 31, 2013 | 497% over the limit |
| Solids, total suspended | 10 | 32 | 10 | July 31, 2023 | 361% over the limit |
| E. coli | 2 | 9 | 9 | January 31, 2022 | 603% over the limit |
| Aluminum, total [as Al] | 4 | 13 | 7 | February 28, 2022 | 340% over the limit |
| Flow, augmented water | 2 | 6 | 6 | July 31, 2023 | 99% over the limit |
| pH | 12 | 39 | 5 | June 30, 2010 | |
| Oil & Grease | 8 | 5 | 5 | February 29, 2024 | 169% over the limit |
| Cyanide, free available | 5 | 6 | 4 | July 31, 2009 | 3,188% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 15 | 3 | April 30, 2021 | 695% over the limit |
| pH range excursions, > 60 minutes | 1 | 3 | 3 | July 31, 2024 | 2,147,483,650% over the limit |
| Zinc, total [as Zn] | 4 | 8 | 2 | October 31, 2009 | 73% over the limit |
| Zinc, total recoverable | 0 | 5 | 1 | June 30, 2010 | 129% over the limit |
| Lead, total [as Pb] | 2 | 3 | 1 | January 31, 2009 | 16% over the limit |
| pH range excursions, monthly total accum | 1 | 1 | 1 | June 30, 2024 | 54% over the limit |
| %Effect Static 24Hr Acute Pimephales | 0 | 1 | 1 | June 30, 2006 | 880% over the limit |
| Flow, in conduit or thru treatment plant | 12 | 29 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 7 | 0 | ||
| Phosphorus, total [as P] | 1 | 7 | 0 | ||
| Chromium, total [as Cr] | 2 | 6 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 6 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 5 | 0 | ||
| Chromium, total recoverable | 0 | 5 | 0 | ||
| Cyanide, total [as CN] | 2 | 4 | 0 | ||
| Fluoride, total [as F] | 0 | 4 | 0 | ||
| Arsenic, total [as As] | 0 | 4 | 0 | ||
| Aluminum, total recoverable | 0 | 4 | 0 | ||
| Lead, total recoverable | 0 | 4 | 0 | ||
| Mercury, total [as Hg] | 0 | 4 | 0 | ||
| Nitrogen, nitrate total [as N] | 1 | 3 | 0 | ||
| Chemical Oxygen Demand [COD] | 1 | 3 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 2 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 2 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 2 | 0 | ||
| Flow, process wastewater | 0 | 2 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 1 | 0 | ||
| Cyanide, free [amenable to chlorination] | 0 | 1 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 8 | 0 | 0 | ||
| Arsenic, total recoverable | 4 | 0 | 0 | ||
| Mercury, total recoverable | 4 | 0 | 0 | ||
| Copper, total recoverable | 2 | 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 AL0000035.
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 AL0000035 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.