Clean Water Act discharge permit · NPDES TN0082007
ALCOA BUSINESS PARK LLC, Alcoa, TN: NPDES TN0082007 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 19Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
ALCOA BUSINESS PARK LLC, held by Alcoa Business Park LLC (formerly Alcoa - South Plant), holds NPDES permit TN0082007, which discharges to Ft. Loudoun/Little River. EPA’s file records it issued January 1, 2018 and expiring December 31, 2022. 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 | ALCOA BUSINESS PARK LLC |
|---|---|
| Permittee as filed | Alcoa Business Park LLC (formerly Alcoa - South Plant) |
| NPDES ID | TN0082007 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | January 1, 2018 |
| Expiration date | December 31, 2022 |
| Issuing agency | TDEC - DWR |
| Address | Alcoa, TN 37701 |
| Receiving water | Ft. Loudoun/Little River |
| Subwatershed | Pistol Creek (HUC 060102010108) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 19Pollutants on file
- 19Under a numeric limit
- 2With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 6 | 2 | 2 | March 31, 2021 | 815% over the limit |
| Solids, total suspended | 6 | 1 | 0 | ||
| pH | 7 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 7 | 0 | 0 | ||
| Oil & Grease | 6 | 0 | 0 | ||
| Fluoride, dissolved [as F] | 6 | 0 | 0 | ||
| Aluminum, total [as Al] | 6 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 5 | 0 | 0 | ||
| Cyanide, total [as CN] | 5 | 0 | 0 | ||
| Magnesium, total [as Mg] | 5 | 0 | 0 | ||
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 5 | 0 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 5 | 0 | 0 | ||
| Chlorine, total residual | 4 | 0 | 0 | ||
| Iron, total [as Fe] | 3 | 0 | 0 | ||
| Chromium, total [as Cr] | 2 | 0 | 0 | ||
| Zinc, total [as Zn] | 2 | 0 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 2 | 0 | 0 | ||
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 0 | 0 | ||
| IC25 Static Renewal 7 Day Chronic Chrpimephales | 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 TN0082007.
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 TN0082007 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.