Windsor County, Vermont
37 ZIP codes · Avg score 70/100 · Grade B · Updated 2026-07-19
ZipCheckup grade for Windsor: B.
This ZIP looks solid, with a few items worth a quick check.
Spanning 37 ZIP codes, Windsor County posts strong drinking water compliance - most systems have never triggered a health-based notice.
How Windsor County Compares
How Windsor County Compares
Windsor County scores 1 points below the Vermont state average (71/100) and 2 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-19
ZIP Code Risk Map
Water Quality Map: Windsor County, Vermont
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.2 (asthma 10.9%, diabetes 9.5%)
Estimated additional annual cost per homeowner: $1,684, driven primarily by flood
Infrastructure: 0.473% avg pipe failure probability, 89% of ZIPs at high risk
67.5% of homes built before 1978 (lead paint era)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,684
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
34,922 housing units in Windsor 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 Windsor County
Remediation costs are relatively manageable for most homeowners in Windsor County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Windsor County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Windsor County
8 community water systems serving Windsor County.
- B
- B
- C
- C
- C
- B
Show all 8 water systems
- C
- B
42 total water systems serve Windsor County.
Systems with the most violations in Windsor County
5 water systems with recorded EPA violations.
- B
- C
- C
- C
- C
All ZIP Codes in Windsor County
37 ZIP codes tracked in Windsor County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 05031 | Barnard | 83 | B | 0 | — |
| 2 | 05037 | Brownsville | 83 | B | 0 | $339K |
| 3 | 05055 | Norwich | 83 | B | 1 | $569K |
| 4 | 05084 | West Hartford | 83 | B | 0 | $565K |
| 5 | 05088 | Wilder | 83 | B | 0 | $229K |
| 6 | 05156 | Springfield | 83 | B | 0 | $182K |
| 7 | 05030 | Ascutney | 82 | B | 2 | — |
| 8 | 05767 | Rochester | 81 | B | 2 | $230K |
| 9 | 05052 | North Hartland | 80 | B | 4 | $360K |
| 10 | 05034 | Bridgewater | 79 | B | 2 (1 health) | $219K |
| 11 | 05047 | Hartford | 79 | B | 56 (1 health) | — |
| 12 | 05048 | Hartland | 79 | B | 5 | $328K |
| 13 | 05009 | White River Junction | 78 | B | 52 (1 health) | — |
| 14 | 05032 | Bethel | 78 | B | 1 | $235K |
| 15 | 05772 | Stockbridge | 78 | B | 0 | $262K |
| 16 | 05142 | Cavendish | 77 | B | 3 | $268K |
| 17 | 05089 | Windsor | 75 | B | 4 | $225K |
| 18 | 05001 | White River Junction | 74 | B | 52 (1 health) | $270K |
| 19 | 05068 | South Royalton | 73 | B | 3 (1 health) | $240K |
| 20 | 05143 | Chester | 69 | C | 5 | $248K |
| 21 | 05091 | Woodstock | 68 | C | 5 | $516K |
| 22 | 05059 | Quechee | 63 | C | 0 | $346K |
| 23 | 05062 | Reading | 63 | C | 0 | $287K |
| 24 | 05071 | South Woodstock | 63 | C | 0 | — |
| 25 | 05073 | Taftsville | 63 | C | 0 | — |
| 26 | 05149 | Ludlow | 63 | C | 11 | $325K |
| 27 | 05150 | North Springfield | 63 | C | 0 | $153K |
| 28 | 05151 | Perkinsville | 63 | C | 0 | $272K |
| 29 | 05730 | Belmont | 63 | C | 0 | $335K |
| 30 | 05746 | Gaysville | 63 | C | 0 | — |
| 31 | 05758 | Mount Holly | 63 | C | 0 | $231K |
| 32 | 05035 | Bridgewater Corners | 55 | C | 0 | $186K |
| 33 | 05153 | Proctorsville | 55 | C | 0 | $293K |
| 34 | 05049 | Hartland Four Corners | 53 | D | 0 | — |
| 35 | 05067 | South Pomfret | 53 | D | 0 | $450K |
| 36 | 05070 | South Strafford | 53 | D | 0 | $407K |
| 37 | 05056 | Plymouth | 51 | D | 11 (1 health) | $342K |
Recommended Buyer Guides for Windsor County
Eight risk categories drive the selection - PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback - and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.
- Best Lead Paint Test Kits — 67.5% of homes built before 1978
- 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 Windsor County, Vermont
Overview
Windsor County in Vermont covers 37 ZIP codes with an average Home Safety Score of B (70/100).
17 of 37 ZIP codes have recorded EPA violations. 6 health-based violations have been documented.
← Back to Vermont water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.