Orange County, Vermont
29 ZIP codes · Avg score 67/100 · Grade C · Updated 2026-06-03
Current EPA records place Orange County in the middle tier for drinking water safety, with 29 ZIP codes showing a range of outcomes.
How Orange County Compares
How Orange County Compares
Orange County scores 4 points below the Vermont state average (71/100) and 1 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Orange County, Vermont
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.6 (asthma 11.2%, diabetes 9.7%)
Estimated additional annual cost per homeowner: $1,025, driven primarily by energy_code_gap
Infrastructure: 0.41% avg pipe failure probability, 48% of ZIPs at high risk
64.1% of homes built before 1978 (lead paint era)
Violation History (2022–2024)
→ Stable trendEPA violation counts by year across Orange County water systems. Health-based shown in red, total in blue.
Peak year: 2022 with 5 violations. Past 5 years: 6 total (6 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
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: $1,025
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
15,626 housing units in Orange 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 Orange County
Remediation costs are relatively manageable for most homeowners in Orange 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 Orange County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Orange County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | EAST THETFORD WATER CO | 250 | 17 |
| 2 | Randolph Village | 2,700 | 15 |
| 3 | RANDOLPH CENTER WATER SYSTEM | 1,138 | 15 |
| 4 | Armstrongs Mhp | 45 | 12 |
| 5 | Greenes Mhp | 39 | 12 |
19 total water systems serve Orange County.
All ZIP Codes in Orange County
29 ZIP codes tracked in Orange County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 5051 | Newbury | 83 | B | 1 | $220K |
| 2 | 5083 | West Fairlee | 83 | B | 0 | — |
| 3 | 5061 | Randolph Center | 82 | B | 3 | $305K |
| 4 | 5679 | Williamstown | 82 | B | 2 | $233K |
| 5 | 5060 | Randolph | 79 | B | 12 (1 health) | $238K |
| 6 | 5675 | Washington | 79 | B | 3 | $202K |
| 7 | 5043 | East Thetford | 78 | B | 6 (1 health) | $265K |
| 8 | 5038 | Chelsea | 77 | B | 0 | $230K |
| 9 | 5074 | Thetford | 77 | B | 11 (1 health) | — |
| 10 | 5045 | Fairlee | 72 | B | 0 | $265K |
| 11 | 5081 | Wells River | 70 | B | 1 | $266K |
| 12 | 5033 | Bradford | 69 | C | 0 | $248K |
| 13 | 5039 | Corinth | 63 | C | 0 | $221K |
| 14 | 5040 | East Corinth | 63 | C | 0 | $210K |
| 15 | 5041 | East Randolph | 63 | C | 0 | $234K |
| 16 | 5054 | North Thetford | 63 | C | 0 | — |
| 17 | 5065 | Sharon | 63 | C | 0 | $266K |
| 18 | 5072 | Strafford | 63 | C | 0 | $426K |
| 19 | 5075 | Thetford Center | 63 | C | 0 | $387K |
| 20 | 5077 | Tunbridge | 63 | C | 0 | $283K |
| 21 | 5079 | Vershire | 63 | C | 0 | $185K |
| 22 | 5086 | West Topsham | 63 | C | 0 | $205K |
| 23 | 5069 | South Ryegate | 55 | C | 0 | $251K |
| 24 | 5036 | Brookfield | 53 | D | 0 | $316K |
| 25 | 5042 | East Ryegate | 53 | D | 0 | $230K |
| 26 | 5053 | North Pomfret | 53 | D | 0 | $328K |
| 27 | 5058 | Post Mills | 53 | D | 0 | $430K |
| 28 | 5076 | Topsham | 53 | D | 0 | $193K |
| 29 | 5085 | West Newbury | 53 | D | 0 | — |
Recommended Buyer Guides for Orange County
Four sources — EPA, NSF, FEMA, CDC — drive the match.
- Best Lead Paint Test Kits — 64.1% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Orange County, Vermont
Overview
Orange County in Vermont covers 29 ZIP codes with an average Home Safety Score of C (67/100).
8 of 29 ZIP codes have recorded EPA violations. 3 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.