Litchfield County, Connecticut
54 ZIP codes · Avg score 67/100 · Grade C · Updated 2026-07-19
ZipCheckup grade for Litchfield: C.
A mixed picture - some signals here are worth your attention.
Although much of Litchfield County meets baseline standards, some of its 54 ZIP codes show violations that merit closer attention.
How Litchfield County Compares
How Litchfield County Compares
Litchfield County scores 2 points above the Connecticut state average (65/100) and 1 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-19
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: $3,916, driven primarily by sea_level
Infrastructure: 0.469% avg pipe failure probability, 78% of ZIPs at high risk
74.3% 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 15 violations. Past 5 years: 31 total (31 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
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $3,916
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
109,617 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.
- D
- B
- C
- C
- C
- D
Show all 8 water systems
- B
- B
62 total water systems serve Litchfield County.
Systems with the most violations in Litchfield County
5 water systems with recorded EPA violations.
- C
- B
- B
- B
- C
All ZIP Codes in Litchfield County
54 ZIP codes tracked in Litchfield County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 06098 | Winsted | 83 | B | 0 | $239K |
| 2 | 06751 | Bethlehem | 83 | B | 0 | $392K |
| 3 | 06753 | Cornwall | 83 | B | 0 | — |
| 4 | 06782 | Plymouth | 83 | B | 0 | $285K |
| 5 | 06791 | Harwinton | 83 | B | 1 | $345K |
| 6 | 06018 | Canaan | 82 | B | 3 (1 health) | $257K |
| 7 | 06068 | Salisbury | 82 | B | 2 | $821K |
| 8 | 06794 | Washington Depot | 81 | B | 4 | $462K |
| 9 | 06783 | Roxbury | 80 | B | 7 | $709K |
| 10 | 06039 | Lakeville | 78 | B | 1 | $657K |
| 11 | 06785 | South Kent | 78 | B | 7 (1 health) | $731K |
| 12 | 06063 | Barkhamsted | 77 | B | 2 | $356K |
| 13 | 06750 | Bantam | 76 | B | 15 | $325K |
| 14 | 06792 | Torrington | 76 | B | 12 (3 health) | — |
| 15 | 06793 | Washington | 76 | B | 11 | $1072K |
| 16 | 06058 | Norfolk | 75 | B | 1 | $380K |
| 17 | 06057 | New Hartford | 74 | B | 7 (1 health) | $351K |
| 18 | 06069 | Sharon | 74 | B | 14 (1 health) | $434K |
| 19 | 06757 | Kent | 74 | B | 13 (1 health) | $360K |
| 20 | 06763 | Morris | 74 | B | 15 (1 health) | $377K |
| 21 | 06779 | Oakville | 74 | B | 9 | $248K |
| 22 | 06795 | Watertown | 74 | B | 23 (1 health) | $331K |
| 23 | 06798 | Woodbury | 74 | B | 16 (1 health) | $441K |
| 24 | 06790 | Torrington | 72 | B | 12 (3 health) | $196K |
| 25 | 06756 | Goshen | 69 | C | 16 | $432K |
| 26 | 06759 | Litchfield | 69 | C | 26 | $430K |
| 27 | 06776 | New Milford | 67 | C | 48 (3 health) | $381K |
| 28 | 06021 | Colebrook | 63 | C | 0 | $332K |
| 29 | 06024 | East Canaan | 63 | C | 0 | $209K |
| 30 | 06031 | Falls Village | 63 | C | 0 | $465K |
| 31 | 06065 | Riverton | 63 | C | 0 | $346K |
| 32 | 06444 | Marion | 63 | C | 0 | $252K |
| 33 | 06754 | Cornwall Bridge | 63 | C | 0 | $435K |
| 34 | 06755 | Gaylordsville | 63 | C | 0 | $478K |
| 35 | 06777 | New Preston Marble Dale | 63 | C | 0 | $450K |
| 36 | 06787 | Thomaston | 63 | C | 0 | $260K |
| 37 | 06796 | West Cornwall | 63 | C | 0 | $481K |
| 38 | 06829 | Georgetown | 63 | C | 0 | — |
| 39 | 06752 | Bridgewater | 61 | C | 4 | $610K |
| 40 | 06784 | Sherman | 55 | C | 0 | $519K |
| 41 | 06786 | Terryville | 55 | C | 0 | $237K |
| 42 | 06027 | East Hartland | 53 | D | 0 | $336K |
| 43 | 06059 | North Canton | 53 | D | 0 | $474K |
| 44 | 06061 | Pine Meadow | 53 | D | 0 | $184K |
| 45 | 06079 | Taconic | 53 | D | 0 | — |
| 46 | 06090 | West Granby | 53 | D | 0 | $429K |
| 47 | 06091 | West Hartland | 53 | D | 0 | $300K |
| 48 | 06094 | Winchester Center | 53 | D | 0 | — |
| 49 | 06758 | Lakeside | 53 | D | 0 | $350K |
| 50 | 06778 | Northfield | 53 | D | 0 | $298K |
| 51 | 06881 | Westport | 53 | D | 0 | — |
| 52 | 06889 | Westport | 53 | D | 0 | — |
| 53 | 06840 | New Canaan | 50 | D | 0 | $1534K |
| 54 | 06880 | Westport | 40 | D | 0 | $1244K |
Recommended Buyer Guides for Litchfield County
Four sources - EPA, NSF, FEMA, CDC - drive the match.
- Best Lead Paint Test Kits — 74.3% 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 54 ZIP codes with an average Home Safety Score of C (67/100).
24 of 54 ZIP codes have recorded EPA violations. 17 health-based violations have been documented.
← Back to Connecticut 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.