Clean Water Act discharge permit · NPDES VT0100722
WILLIAMSTOWN, Williamstown, VT: NPDES VT0100722 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
WILLIAMSTOWN, held by Town of Williamstown, holds NPDES permit VT0100722. EPA’s file records it issued November 20, 2006 and expiring December 31, 2011. 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 | WILLIAMSTOWN |
|---|---|
| Permittee as filed | Town of Williamstown |
| NPDES ID | VT0100722 |
| 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 | November 20, 2006 |
| Expiration date | December 31, 2011 |
| Issuing agency | Vermont DEC |
| Address | Williamstown, VT 05679 |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 11Under a numeric limit
- 11With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Phosphorus, total [as P] | 2 | 6 | 5 | July 31, 2018 | 88% over the limit |
| E. coli, thermotol, MF, MTEC | 1 | 4 | 1 | November 30, 2023 | 939% over the limit |
| Solids, suspended percent removal | 1 | 3 | 1 | August 31, 2025 | 248% over the limit |
| Nitrogen, ammonia total [as N] | 1 | 6 | 0 | ||
| BOD, 5-day, 20 deg. C | 6 | 5 | 0 | ||
| Solids, total suspended | 6 | 5 | 0 | ||
| pH | 2 | 2 | 0 | ||
| Solids, settleable | 1 | 1 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 1 | 0 | ||
| Chlorine, total residual | 1 | 1 | 0 | ||
| BOD, 5-day, percent removal | 1 | 1 | 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 VT0100722.
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 VT0100722 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.