Tolland County, Connecticut
20 ZIP codes · Avg score 67/100 · Grade C
ZipCheckup grade for Tolland County: C.
A mixed picture - some signals here are worth your attention.
For Tolland County, the grade is neither top-tier nor bottom-tier; it summarizes data for 20 ZIP codes rather than measuring water at any home, and because it blends several sources, a middle result can come from very different mixes of strengths and weaknesses.
How Tolland County Compares
How Tolland County Compares
Tolland County scores 4 points above the Connecticut state average (63/100) and 6 points below the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData
ZIP Code Risk Map
Water Quality Map: Tolland County, Connecticut
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Modeled additional annual cost estimate per homeowner: $1,304, largest modeled factor: Flood
61% of homes built before 1980 (lead paint was banned for residential use in 1978)
Infrastructure Overview
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,304
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
67,102 housing units in Tolland County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Tolland County
Modeled remediation costs in Tolland County can be compared with the median property value; actual costs vary by property.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Water systems mapped to Tolland County ZIP codes
8 community water systems mapped to Tolland County ZIP codes; EPA may list more systems serving the county.
- C
- C
- C
- C
- C
- C
Show all 8 water systems
- C
29 water systems mapped to Tolland County ZIP codes in our data; EPA may list more systems serving the county.
Systems with the most violations in Tolland County
5 water systems with violations in EPA records.
- D
- C
- B
- C
- C
All ZIP Codes in Tolland County
20 ZIP codes tracked in Tolland County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 06226 | Willimantic | 83 | B | 1 | $181K |
| 2 | 06238 | Coventry | 77 | B | 7 (4 health) | $318K |
| 3 | 06250 | Mansfield Center | 73 | B | 11 (2 health) | $287K |
| 4 | 06029 | Ellington | 66 | C | 1 | $352K |
| 5 | 06071 | Somers | 65 | C | 5 | $379K |
| 6 | 06066 | Vernon Rockville | 64 | C | 7 (1 health) | $255K |
| 7 | 06084 | Tolland | 63 | C | 7 (5 health) | $332K |
| 8 | 06269 | Storrs Mansfield | 59 | C | 10 (5 health) | — |
| 9 | 06268 | Storrs Mansfield | 50 | D | 55 (11 health) | $329K |
| 10 | 06043 | Bolton | — | — | $349K | |
| 11 | 06072 | Somersville | — | — | — | |
| 12 | 06076 | Stafford Springs | — | — | 1 | $247K |
| 13 | 06077 | Staffordville | — | — | — | |
| 14 | 06231 | Amston | — | — | 0 | $377K |
| 15 | 06232 | Andover | — | — | $375K | |
| 16 | 06237 | Columbia | — | — | $322K | |
| 17 | 06248 | Hebron | — | — | 0 | $360K |
| 18 | 06251 | Mansfield Depot | — | — | — | |
| 19 | 06265 | South Willington | — | — | — | |
| 20 | 06279 | Willington | — | — | $288K |
Recommended Buyer Guides for Tolland County
The mix of guides changes from county to county.
- Water Filters Certified for PFAS Reduction — PFAS detected in 1 ZIP code
- Best Lead Paint Test Kits — 61% of homes built before 1980
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Tolland County, Connecticut
Overview
Tolland County in Connecticut covers 20 tracked ZIP records with an average Home Safety Score of C (67/100) across 9 scored records.
10 of 12 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 21 health-based violations appear in the available health breakdown.
← Back to Connecticut Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.