Clean Water Act discharge permit · NPDES NC0063321
TWSA PLANT #3, Cashiers, NC: NPDES NC0063321 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
TWSA PLANT #3, held by Tuckaseigee Water and Sewer Authority, holds NPDES permit NC0063321. EPA’s file records it issued October 6, 2017 and expiring August 31, 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 | TWSA PLANT #3 |
|---|---|
| Permittee as filed | Tuckaseigee Water and Sewer Authority |
| NPDES ID | NC0063321 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | October 6, 2017 |
| Expiration date | August 31, 2022 |
| Address | Cashiers, NC 28717 |
| Subwatershed | Whitewater River (HUC 030601010104) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 12Pollutants on file
- 9Under a numeric limit
- 12With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 3 | 177 | 6 | June 30, 2026 | 143% over the limit |
| Solids, total suspended | 3 | 172 | 1 | October 31, 2016 | 19% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 4 | 130 | 1 | June 30, 2026 | 2,175% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 111 | 1 | June 30, 2026 | 267% over the limit |
| Temperature, water deg. centigrade | 3 | 91 | 0 | ||
| Oxygen, dissolved [DO] | 3 | 91 | 0 | ||
| Chlorine, total residual | 1 | 85 | 0 | ||
| Nitrogen, total [as N] | 0 | 84 | 0 | ||
| Phosphorus, total [as P] | 0 | 84 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 60 | 0 | ||
| pH | 2 | 58 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 24 | 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 NC0063321.
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 NC0063321 there.
Nearby on the register
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- Every permit record in Cashiers, A to Z
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- Every permit record in North Carolina, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.