Cheshire, NH
Transparent derived index from EPA TRI / SDWIS / Superfund extracts: not an official EPA rating. Fixed caps: facilities ≤25 pts (50+ = max), log10 releases ≤25 pts, Superfund ≤25 pts (5/site), health-violation systems ≤15 pts (3/system), high-chemical facilities ≤10 pts. Bands: High ≥60, Moderate ≥30. See methodology.
Environmental data for Cheshire in New Hampshire · Population: 76,945
TRI sites such as Emd Millipore Corp; Duxbury Composite Products DBA Plp Composites; Cold River Materials; SDWIS systems such as KEENE WATER DEPT; JAFFREY WATER WORKS; WINCHESTER WATER DEPT; NPL sites such as Troy Mills Landfill anchor Cheshire, NH's EPA extract. Derived burden score 39/100 (Moderate Risk) uses fixed national caps on density, log release volume, Superfund count, and health-flagged systems - not an official EPA rating.
Health-flagged SDWIS rows in Cheshire include TROY WATER WORKS; CHESHIRE COUNTY COMPLEX; VIEW POINT COOP, while Emd Millipore Corp leads reported TRI pounds among local Form R filers. AQS median AQI 36 / peak 93 in 2024.
Burden score 39/100 (Moderate Risk) is the only weighted composite on this page. The tables below list every TRI facility, SDWIS system, and Superfund site EPA has on record for Cheshire -- not just the names called out above -- reproducing the disclosure history as filed, not a current-safety verdict. Extract current as of 2026-08-25.
Release-over-release change
What changed for Cheshire, NH: EPA TRI 2023 reporting year
Same facilities, both years
-54.3%
2 facilities that filed in 2022 and 2023
Whole inventory
-54.3%
20.0 thousand lb → 9.1 thousand lb, every facility that filed
- Cheshire, NH's total reported releases fell from 20.0 thousand lb in 2022 to 9.1 thousand lb in 2023, based on EPA TRI filings.
- Cheshire, NH's off-site transfers rose from 6 lb in 2022 to 319 lb in 2023, based on EPA TRI filings.
- Cheshire, NH's air releases fell from 20.0 thousand lb in 2022 to 8.8 thousand lb in 2023, based on EPA TRI filings.
- Cheshire, NH's chemicals reported rose from 5 in 2022 to 7 in 2023, based on EPA TRI filings.
Air Quality History (2020–2024)
EPA Air Quality Index (AQI) data showing how many days per year fall into each air quality category.
| Year | Good | Moderate | Unhealthy (SG) | Max AQI |
|---|---|---|---|---|
| 2024 | 302 (83%) | 64 | 0 | 93 |
| 2023 | 253 (70%) | 108 | 2 | 125 |
| 2022 | 304 (83%) | 61 | 0 | 84 |
| 2021 | 263 (72%) | 100 | 1 | 127 |
| 2020 | 299 (82%) | 67 | 0 | 78 |
Source: EPA Air Quality System (AQS) Annual AQI by County AQI categories: Good (0-50), Moderate (51-100), Unhealthy for Sensitive Groups (101-150), Unhealthy (151-200), Very Unhealthy (201-300), Hazardous (301+)
For real-time air quality readings and pollutant breakdowns in New Hampshire, see the EPA's AirNow.gov.
Water Systems (28)
| System | System pop (SDWIS) | Violations |
|---|---|---|
| KEENE WATER DEPT | 30,000 | 0 |
| JAFFREY WATER WORKS | 3,800 | 0 |
| WINCHESTER WATER DEPT | 2,800 | 0 |
| NORTH HINSDALE WATER DEPT | 1,800 | 0 |
| N SWANZEY WATER AND FIRE PRCT | 1,700 | 0 |
| HINSDALE WATER DEPT/DOWNTOWN | 1,600 | 0 |
| TROY WATER WORKS | 1,200 | 1 |
| WALPOLE WATER DEPT | 1,057 | 0 |
| MARLBOROUGH WATER WORKS | 750 | 0 |
| CHESHIRE COUNTY COMPLEX | 380 | 5 |
| PINE GROVE MOBILE HOME PARK | 305 | 0 |
| VIEW POINT COOP | 248 | 2 |
| MONADNOCK TENANTS | 200 | 0 |
| WINDY ACRES | 180 | 0 |
| SOUTH PARRISH | 140 | 0 |
| EASTFIELD CROSSING | 113 | 0 |
| BUTTERFIELD COMMON SENIOR HOUSING | 105 | 0 |
| MARLBOROUGH ESTATES | 100 | 0 |
| FITZWILLIAM VILLAGE/LAUGHNER | 65 | 1 |
| WELL HILL | 60 | 0 |
| DUNBAR PROPERTIES | 60 | 2 |
| PAYSON VILLAGE | 54 | 0 |
| FITZWILLIAM VILLAGE/MASSIN | 53 | 0 |
| CONNECTICUT RIVER MHP | 50 | 3 |
| HAMPSHIRE COURT WATER | 50 | 0 |
| SURRY VILLAGE WATER | 50 | 2 |
| FITZWILLIAM VILLAGE/PRIGGE | 43 | 1 |
| RESIDENTIAL CAMP MONADNOCK | 28 | 0 |
TRI Facilities (3)
| # | Facility | Total Releases |
|---|---|---|
| 1 | Emd Millipore Corp | 46.3K lbs |
| 2 | Duxbury Composite Products DBA Plp Composites | 31.5K lbs |
| 3 | Cold River Materials | 1 lbs |
Superfund Sites (1)
| Site Name | Status | HRS Score |
|---|---|---|
| Troy Mills Landfill | NPL Site | 50.00 |
Cities in Cheshire (15)
Frequently Asked Questions
What is the environmental risk level in Cheshire, New Hampshire? ▼
Are there Superfund sites in Cheshire? ▼
How many toxic release facilities are in Cheshire? ▼
What is the air quality in Cheshire? ▼
Is the drinking water safe in Cheshire? ▼
What environmental agencies cover Cheshire? ▼
What does this county environmental profile show?
This county environmental profile rolls up EPA Toxics Release Inventory facility reports, Safe Drinking Water Information System public-water-system filings, and Superfund National Priorities List sites for the county boundary defined by the U.S. Census Bureau. Facility counts reflect facilities with a reporting address inside the county, not where downstream environmental effects may be observed. Population figures are from the most recent Census ACS 5-year estimate. The county detail page is updated whenever the upstream EPA programs publish revised data; see the methodology page for the documented ingest cadence and the editorial choices governing how aggregations are computed.
Read our methodology - how this data is sourced, computed, and verified.