Lamoille County, Vermont
13 ZIP codes · Avg score 62/100 · Grade C · Updated 2026-06-03
For most households in Lamoille County, the 13 tracked ZIP codes show adequate but uneven water quality.
How Lamoille County Compares
How Lamoille County Compares
Lamoille County scores 9 points below the Vermont state average (71/100) and 6 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Lamoille County, Vermont
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 11.3 (asthma 11.3%, diabetes 8.3%)
Estimated additional annual cost per homeowner: $833, driven primarily by flood
Infrastructure: 0.398% avg pipe failure probability, 50% of ZIPs at high risk
55.1% of homes built before 1978 (lead paint era)
Violation History (2022–2023)
→ Stable trendEPA violation counts by year across Lamoille County water systems. Health-based shown in red, total in blue.
Peak year: 2023 with 5 violations. Past 5 years: 7 total (7 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: $833
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
12,951 housing units in Lamoille 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 Lamoille County
Remediation costs are relatively manageable for most homeowners in Lamoille 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 Lamoille 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 Lamoille County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | STOWE WATER DEPT | 3,600 | 7 |
| 2 | Mountainside Resort | 240 | 7 |
| 3 | Notchbrook Condominium | 201 | 7 |
| 4 | Mansfield View Water Corporation | 121 | 7 |
| 5 | Stowe Fire District 4 | 120 | 7 |
17 total water systems serve Lamoille County.
All ZIP Codes in Lamoille County
13 ZIP codes tracked in Lamoille County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 5655 | Hyde Park | 80 | B | 3 | $196K |
| 2 | 5661 | Morrisville | 72 | B | 3 | $268K |
| 3 | 5444 | Cambridge | 70 | B | 5 | $343K |
| 4 | 5656 | Johnson | 70 | B | 3 | $189K |
| 5 | 5492 | Waterville | 68 | C | 3 (3 health) | $249K |
| 6 | 5653 | Eden Mills | 63 | C | 0 | $216K |
| 7 | 5662 | Moscow | 63 | C | 0 | — |
| 8 | 5680 | Wolcott | 55 | C | 0 | $234K |
| 9 | 5442 | Belvidere Center | 53 | D | 0 | $234K |
| 10 | 5652 | Eden | 53 | D | 0 | $178K |
| 11 | 5657 | Lake Elmore | 53 | D | 0 | — |
| 12 | 5665 | North Hyde Park | 53 | D | 0 | — |
| 13 | 5672 | Stowe | 47 | D | 7 | $599K |
Recommended Buyer Guides for Lamoille County
Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.
- Best Lead Paint Test Kits — 55.1% 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 Lamoille County, Vermont
Overview
Lamoille County in Vermont covers 13 ZIP codes with an average Home Safety Score of C (62/100).
6 of 13 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.