Kennebec County, Maine
33 ZIP codes · Avg score 58/100 · Grade C · Updated
ZipCheckup grade for Kennebec County: C.
A mixed picture - some signals here are worth your attention.
Kennebec County: 33 ZIP codes, mid-range safety grade.
How Kennebec County Compares
How Kennebec County Compares
Kennebec County scores 7 points below the Maine state average (65/100) and 15 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 Last verified:
ZIP Code Risk Map
Water Quality Map: Kennebec County, Maine
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.5 (asthma 12.5%, diabetes 11.8%)
Estimated additional annual cost per homeowner: $958, driven primarily by flood
62.7% of homes built before 1978 (lead paint era)
Violation History (2022–2025)
↑ Worsening trendEPA violation counts by year across Kennebec County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 7 violations. Past 5 years: 16 total (16 health-based). Health-based violations are rising versus the prior 2-year window - worth closer monitoring.
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
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $958
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
62,759 housing units in Kennebec 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 Kennebec County
Remediation costs are relatively manageable for most homeowners in Kennebec 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 Kennebec County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Kennebec County
8 community water systems serving Kennebec County.
- D
- C
- C
- C
Show all 8 water systems
11 total water systems serve Kennebec County.
Systems with the most violations in Kennebec County
5 water systems with recorded EPA violations.
- C
- D
- D
- C
All ZIP Codes in Kennebec County
33 ZIP codes tracked in Kennebec County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 04330 | Augusta | 66 | C | 2 | $198K |
| 2 | 04351 | Manchester | 66 | C | 3 | $285K |
| 3 | 04345 | Gardiner | 63 | C | 9 | $209K |
| 4 | 04989 | Vassalboro | 49 | D | 4 | $218K |
| 5 | 04901 | Waterville | 46 | D | 12 (1 health) | $189K |
| 6 | 04259 | Monmouth | — | — | 1 | $282K |
| 7 | 04265 | North Monmouth | — | — | $164K | |
| 8 | 04284 | Wayne | — | — | $328K | |
| 9 | 04332 | Augusta | — | — | — | |
| 10 | 04333 | Augusta | — | — | — | |
| 11 | 04336 | Augusta | — | — | — | |
| 12 | 04338 | Augusta | — | — | — | |
| 13 | 04343 | East Winthrop | — | — | — | |
| 14 | 04344 | Farmingdale | — | — | 9 | $206K |
| 15 | 04346 | Randolph | — | — | 8 | $157K |
| 16 | 04347 | Hallowell | — | — | 2 | $267K |
| 17 | 04349 | Kents Hill | — | — | $265K | |
| 18 | 04350 | Litchfield | — | — | $236K | |
| 19 | 04352 | Mount Vernon | — | — | $228K | |
| 20 | 04355 | Readfield | — | — | $301K | |
| 21 | 04358 | South China | — | — | $234K | |
| 22 | 04359 | South Gardiner | — | — | 8 | $199K |
| 23 | 04360 | Vienna | — | — | $249K | |
| 24 | 04363 | Windsor | — | — | $216K | |
| 25 | 04364 | Winthrop | — | — | 2 | $273K |
| 26 | 04903 | Waterville | — | — | — | |
| 27 | 04910 | Albion | — | — | $208K | |
| 28 | 04917 | Belgrade | — | — | $305K | |
| 29 | 04918 | Belgrade Lakes | — | — | — | |
| 30 | 04927 | Clinton | — | — | 1 | $172K |
| 31 | 04935 | East Vassalboro | — | — | — | |
| 32 | 04962 | North Vassalboro | — | — | — | |
| 33 | 04963 | Oakland | — | — | 6 | $228K |
Recommended Buyer Guides for Kennebec County
Filtered against federal data, fitted to local risks.
- Best Lead Paint Test Kits — 62.7% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- 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 Kennebec County, Maine
Overview
Kennebec County in Maine covers 33 tracked ZIP records with an average Home Safety Score of C (58/100) across 5 scored records.
13 of 13 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 1 health-based violation appear in the available health breakdown.
← Back to Maine 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.