Litchfield County, Connecticut
43 ZIP codes · Avg score 78/100 · Grade B · Updated
ZipCheckup grade for Litchfield County: B.
This ZIP looks solid, with a few items worth a quick check.
Covering 43 ZIP codes, Litchfield County earns a high grade for tap water - most systems report zero health-based violations, and the overall compliance rate comfortably exceeds federal benchmarks.
How Litchfield County Compares
How Litchfield County Compares
Litchfield County scores 15 points above the Connecticut state average (63/100) and 5 points above 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: Litchfield County, Connecticut
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Estimated additional annual cost per homeowner: $4,143, driven primarily by sea_level
74.9% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Litchfield County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 12 violations. Past 5 years: 20 total (20 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.
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: $4,143
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
88,012 housing units in Litchfield 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 Litchfield County
Remediation costs are relatively manageable for most homeowners in Litchfield 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.
Water systems serving Litchfield County
8 community water systems serving Litchfield County.
- B
- B
- B
- D
- B
- B
Show all 8 water systems
- B
- B
25 total water systems serve Litchfield County.
Systems with the most violations in Litchfield County
5 water systems with recorded EPA violations.
- D
- D
- B
- B
All ZIP Codes in Litchfield County
43 ZIP codes tracked in Litchfield County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 06098 | Winsted | 83 | B | 0 | $239K |
| 2 | 06750 | Bantam | 83 | B | 0 | $325K |
| 3 | 06759 | Litchfield | 83 | B | 0 | $430K |
| 4 | 06778 | Northfield | 83 | B | 0 | $298K |
| 5 | 06786 | Terryville | 83 | B | 2 | $237K |
| 6 | 06787 | Thomaston | 83 | B | 0 | $260K |
| 7 | 06790 | Torrington | 83 | B | 0 | $196K |
| 8 | 06791 | Harwinton | 83 | B | 0 | $345K |
| 9 | 06798 | Woodbury | 83 | B | 0 | $441K |
| 10 | 06057 | New Hartford | 82 | B | 3 | $351K |
| 11 | 06779 | Oakville | 78 | B | 14 | $248K |
| 12 | 06795 | Watertown | 76 | B | 18 | $331K |
| 13 | 06755 | Gaylordsville | 67 | C | 46 | $478K |
| 14 | 06794 | Washington Depot | 67 | C | 0 | $462K |
| 15 | 06776 | New Milford | 50 | D | 167 (3 health) | $381K |
| 16 | 06018 | Canaan | — | — | 3 | $257K |
| 17 | 06021 | Colebrook | — | — | $332K | |
| 18 | 06024 | East Canaan | — | — | 3 | $209K |
| 19 | 06031 | Falls Village | — | — | 5 (1 health) | $465K |
| 20 | 06039 | Lakeville | — | — | 1 | $657K |
| 21 | 06058 | Norfolk | — | — | 1 | $380K |
| 22 | 06061 | Pine Meadow | — | — | $184K | |
| 23 | 06063 | Barkhamsted | — | — | $356K | |
| 24 | 06068 | Salisbury | — | — | 1 | $821K |
| 25 | 06069 | Sharon | — | — | 12 (1 health) | $434K |
| 26 | 06079 | Taconic | — | — | — | |
| 27 | 06094 | Winchester Center | — | — | — | |
| 28 | 06751 | Bethlehem | — | — | $392K | |
| 29 | 06752 | Bridgewater | — | — | $610K | |
| 30 | 06753 | Cornwall | — | — | — | |
| 31 | 06754 | Cornwall Bridge | — | — | $435K | |
| 32 | 06756 | Goshen | — | — | $432K | |
| 33 | 06757 | Kent | — | — | 1 | $360K |
| 34 | 06758 | Lakeside | — | — | $350K | |
| 35 | 06763 | Morris | — | — | $377K | |
| 36 | 06777 | New Preston Marble Dale | — | — | 0 | $450K |
| 37 | 06781 | Pequabuck | — | — | — | |
| 38 | 06782 | Plymouth | — | — | 0 | $285K |
| 39 | 06783 | Roxbury | — | — | $709K | |
| 40 | 06785 | South Kent | — | — | 1 | $731K |
| 41 | 06792 | Torrington | — | — | — | |
| 42 | 06793 | Washington | — | — | 0 | $1072K |
| 43 | 06796 | West Cornwall | — | — | $481K |
Recommended Buyer Guides for Litchfield County
Four sources - EPA, NSF, FEMA, CDC - drive the match.
- Best Water Filters for PFAS — PFAS detected in 1 ZIP code
- Best Lead Paint Test Kits — 74.9% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Litchfield County, Connecticut
Overview
Litchfield County in Connecticut covers 43 tracked ZIP records with an average Home Safety Score of B (78/100) across 15 scored records.
15 of 27 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 5 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.