Tolland, CT
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 Tolland in Connecticut
TRI sites such as Simoniz USA Inc.; Ttm Printed Circuit Group - Stafford Div; Syn-Mar Products Inc.; SDWIS systems such as UNIVERSITY OF CONNECTICUT - MAIN CAMPUS; WINDHAM WATER WORKS; TOLLAND WATER DEPARTMENT; NPL sites such as Precision Plating Corp. anchor Tolland, CT's EPA extract. Derived burden score 37/100 (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 Tolland include WOODHAVEN APARTMENTS; VERNON VILLAGE INC.; GQC WELL COMMISSION, while Simoniz USA Inc. leads reported TRI pounds among local Form R filers. AQS median AQI 37 / peak 156 in 2024.
Burden score 37/100 (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 Tolland -- 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 Tolland, CT: EPA TRI 2023 reporting year
Same facilities, both years
-14.1%
5 facilities that filed in 2022 and 2023
Whole inventory
-14.1%
8.7 thousand lb → 7.5 thousand lb, every facility that filed
- Tolland, CT's total reported releases fell from 8.7 thousand lb in 2022 to 7.5 thousand lb in 2023, based on EPA TRI filings.
- Tolland, CT's water releases rose from 6 lb in 2022 to 21 lb in 2023, based on EPA TRI filings.
- Tolland, CT's off-site transfers fell from 6.9 thousand lb in 2022 to 5.2 thousand lb in 2023, based on EPA TRI filings.
- Tolland, CT's air releases rose from 1.8 thousand lb in 2022 to 2.2 thousand lb 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 | 184 (90%) | 16 | 4 | 156 |
| 2023 | 178 (84%) | 31 | 2 | 156 |
| 2022 | 187 (90%) | 19 | 2 | 122 |
| 2021 | 170 (85%) | 30 | 1 | 101 |
| 2020 | 192 (93%) | 14 | 0 | 93 |
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 Connecticut, see the EPA's AirNow.gov.
Water Systems (34)
| System | System pop (SDWIS) | Violations |
|---|---|---|
| UNIVERSITY OF CONNECTICUT - MAIN CAMPUS | 27,199 | 0 |
| WINDHAM WATER WORKS | 21,214 | 0 |
| TOLLAND WATER DEPARTMENT | 1,251 | 0 |
| WOODHAVEN APARTMENTS | 489 | 1 |
| VERNON VILLAGE INC. | 430 | 2 |
| STAFFORD HOLLOW WATER ASSOCIATION | 429 | 0 |
| GQC WELL COMMISSION | 360 | 1 |
| WILLINGTON SENIOR CENTER & HOUSING | 327 | 0 |
| KNOLLWOOD APARTMENTS | 312 | 2 |
| WALDEN APARTMENTS | 276 | 1 |
| WOODLAND SUMMIT COMMUNITY WATER ASSN | 216 | 8 |
| TOLLAND WATER DEPT - TORRY ROAD | 204 | 10 |
| CARRIAGE HOUSE APARTMENTS | 196 | 0 |
| BAXTER FARMS COMMUNITY WATER ASSOC | 175 | 0 |
| TWIN HILLS WATER DISTRICT | 156 | 8 |
| MAPLEWOOD-MILLBROOK APARTMENTS | 153 | 4 |
| CHELSEA COMMON CONDOMINIUM ASSOCIATION | 126 | 1 |
| CLUB HOUSE APARTMENTS | 115 | 1 |
| COVENTRY HOUSING AUTHORITY-LOWER SYSTEM | 80 | 0 |
| COVENTRY HOUSING AUTHORITY-UPPER SYSTEM | 80 | 0 |
| OAK GROVE SENIOR HOUSING CORP | 72 | 0 |
| NORTH WILLINGTON VILLAGE CONDO ASSOC. | 66 | 2 |
| 890 BOSTON TURNPIKE | 60 | 2 |
| EASTVIEW KOZLEY WATER ASSOCIATION | 60 | 0 |
| SOUTHRIDGE PARK APARTMENTS | 50 | 1 |
| COOK DRIVE ASSOCIATION | 49 | 1 |
| WHISPERING HILLS, LLC - WELL D SYSTEM | 48 | 1 |
| SUNSET APARTMENTS LLC | 46 | 3 |
| HEBRON ARMS APARTMENTS | 39 | 5 |
| HIGH MEADOW | 38 | 2 |
| WOODLAND TERRACE | 27 | 0 |
| HOP RIVER HOMES | 26 | 2 |
| DARTMOUTH VILLAGE ELDERLY HOUSING | 25 | 0 |
| VILLAGE AT CRYSTAL SPRINGS | 25 | 0 |
TRI Facilities (5)
| # | Facility | Total Releases |
|---|---|---|
| 1 | Simoniz USA Inc. | 39.2K lbs |
| 2 | Ttm Printed Circuit Group - Stafford Div | 11.1K lbs |
| 3 | Syn-Mar Products Inc. | 6.3K lbs |
| 4 | Ttm Printed Circuit Group | 985 lbs |
| 5 | Ttm Printed Circuit Group Mult Ilayer Stafford Div | 122 lbs |
Superfund Sites (1)
| Site Name | Status | HRS Score |
|---|---|---|
| Precision Plating Corp. | NPL Site | 49.10 |
Cities in Tolland (13)
Frequently Asked Questions
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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.