Clean Water Act discharge permit · NPDES AL0000116
ASCEND PERFORMANCE MATERIALS OPERATIONS, LLC, Decatur, AL: NPDES AL0000116 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 22Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
ASCEND PERFORMANCE MATERIALS OPERATIONS, LLC, held by Ascend Performance Materials Operations, LLC, holds NPDES permit AL0000116. EPA’s file records it issued December 29, 2021 and expiring December 31, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | ASCEND PERFORMANCE MATERIALS OPERATIONS, LLC |
|---|---|
| Permittee as filed | Ascend Performance Materials Operations, LLC |
| NPDES ID | AL0000116 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 29, 2021 |
| Expiration date | December 31, 2026 |
| Issuing agency | State |
| Address | Decatur, AL 35601 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Bakers Creek-Tennessee River (HUC 060300021102) |
| NAICS | 325199 – All Other Basic Organic Chemical Manufacturing |
| SIC | 2824 – Organic Fibers, Noncellulosic |
| Other EPA IDs (FRS) | RCRA handler ALD006320774; ICIS-AIR source AL0000000110300010 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 23Pollutants on file
- 22Under a numeric limit
- 11With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| pH | 26 | 10 | 8 | May 31, 2005 | |
| Solids, total suspended | 15 | 7 | 6 | March 31, 2019 | 103% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 2 | 1 | March 31, 2019 | 287% over the limit |
| Iron, total recoverable | 2 | 1 | 1 | May 31, 2016 | 12% over the limit |
| Temperature, water deg. fahrenheit | 1 | 4 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 2 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 15 | 1 | 0 | ||
| Chemical Oxygen Demand [COD] | 12 | 1 | 0 | ||
| Solids, total dissolved | 11 | 1 | 0 | ||
| Oil and grease | 0 | 1 | 0 | ||
| Oil & Grease | 12 | 0 | 0 | ||
| Carbon, tot organic [TOC] | 12 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 0 | 0 | ||
| Cyanide, total [as CN] | 2 | 0 | 0 | ||
| Zinc, total [as Zn] | 2 | 0 | 0 | ||
| Manganese, total recoverable | 2 | 0 | 0 | ||
| Nitrogen, total [as N] | 1 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 0 | 0 | ||
| Phosphorus, total [as P] | 1 | 0 | 0 | ||
| pH range excursions, > 60 minutes | 1 | 0 | 0 | ||
| pH range excursions, monthly total accum | 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 AL0000116.
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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How we handle your data → Privacy
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 AL0000116 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.