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ICIS-AIR NH0000003301700080

THOMPSON INVESTMENT CASTING, Rochester, NH: Clean Air Act compliance record, inspections, violations, penalties

THOMPSON INVESTMENT CASTING is on EPA’s ICIS-AIR register at 41 OLD DOVER RD, Rochester in Strafford County, New Hampshire: operating status operating, emissions classification minor source, current violation status “No Violation Identified”. Strafford County is on EPA’s Green Book list of areas that do not meet a national air quality standard.

What stands out

  • The newest of the 2 events on file is a compliance evaluation dated March 31, 2026.
  • Its events on file run from January 21, 2021 through March 31, 2026.
  • Of the 1 formal enforcement action on file, 1 carries a filed penalty above zero. The largest on file is $5,851, filed January 21, 2021.
  • All 1 of its compliance evaluations on file are full compliance evaluations.
  • The register holds 119 air-emissions sources in Strafford County, New Hampshire.

Every line is computed by formula from the record’s stored figures; nothing is estimated.

Identity

Facility as filedTHOMPSON INVESTMENT CASTING
ICIS-AIR IDNH0000003301700080
EPA facility registry ID110004109777
Operating statusOperating
Emissions classificationMinor source
Current violation status (HPV field)No Violation Identified
Address41 OLD DOVER RD, Rochester, NH 03867
CountyStrafford County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Primary metal manufacturing (NAICS 3315)
EPA region01

Programs and pollutants

The program, pollutant and Title V files are not loaded: what this page covers.

Compliance evaluations

DateWhat EPA recordedAgencyPrograms
March 31, 2026FCE On-SiteState40 CFR Part 63 Area Sources; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

Violations

What high-priority and federally reportable violations mean.

EPA’s violation history file holds no violation for ICIS-AIR NH0000003301700080 since January 1, 2017.

Enforcement and penalties

1 of the formal enforcement actions carry a penalty filed above zero. How a penalty is shown.

DateWhat EPA recordedAgencyPenalty, as filed
January 21, 2021Administrative OrderState$5,851

Informal enforcement

EPA’s informal action file holds no notice or warning for ICIS-AIR NH0000003301700080 since January 1, 2017.

Stack tests

EPA’s stack test file holds no test at ICIS-AIR NH0000003301700080 since January 1, 2017.

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Privacy

Free from EPA: Detailed Facility Report, ECHO Notify (registry ID 110004109777).

Other air sources in New Hampshire beside THOMPSON INVESTMENT CASTING

EPA ICIS-AIR download, loaded September 14, 2026.