Imerys Talc - Hammondsville Mine

NPDES permit VT0000141 · Minor NON-POTW · expired, expires 2023-09-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2023-09-30 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
12required values missing, on 3 form(s)
6of 10 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (20)

OutfallParameterStatisticLimitMonths
001TurbidityINST MAX <= 10 NTU all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Nitrogen, total [as N]INST MAX report only all year
001Phosphorus, total [as P]INST MAX report only all year
001Hardness, total [as CaCO3]INST MAX report only all year
001Arsenic, total [as As]INST MAX report only all year
001Beryllium, total [as Be]INST MAX report only all year
001Cadmium, total [as Cd]INST MAX report only all year
001Chromium, total [as Cr]INST MAX report only all year
001Copper, total [as Cu]INST MAX report only all year
001Lead, total [as Pb]INST MAX report only all year
001Nickel, total [as Ni]INST MAX report only all year
001Silver, total [as Ag]INST MAX report only all year
001Zinc, total [as Zn]INST MAX report only all year
001Antimony, total [as Sb]INST MAX report only all year
001Selenium, total [as Se]INST MAX report only all year
001Titanium, total [as Ti]INST MAX report only all year
001Flow, in conduit or thru treatment plantDAILY MX <= .216 MGD all year
001Mercury, total [as Hg]INST MAX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states