Clean Water Act discharge permit · NPDES VT0001163
IMERYS TALC - RAINBOW MINE, Ludlow, VT: NPDES VT0001163 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
IMERYS TALC - RAINBOW MINE, held by Imerys Talc Vermont Inc, holds NPDES permit VT0001163. EPA’s file records it issued March 11, 2009 and expiring March 31, 2014. 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 | IMERYS TALC - RAINBOW MINE |
|---|---|
| Permittee as filed | Imerys Talc Vermont Inc |
| NPDES ID | VT0001163 |
| 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 |
| Issued | March 11, 2009 |
| Expiration date | March 31, 2014 |
| Issuing agency | Vermont DEC |
| Address | Ludlow, VT 05149 |
| Subwatershed | Branch Brook-Black River (HUC 010801060502) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 5Pollutants on file
- 5Under a numeric limit
- 5With 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 |
|---|---|---|---|---|---|
| Arsenic, total [as As] | 1 | 4 | 2 | July 31, 2023 | 21% over the limit |
| pH | 2 | 4 | 0 | ||
| Turbidity | 1 | 2 | 0 | ||
| Nickel, total [as Ni] | 1 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 2 | 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 VT0001163.
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 VT0001163 there.
Nearby on the register
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- Every permit record in Vermont, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.