Hartford County, Connecticut
103 ZIP codes · Avg score 83/100 · Grade B · Updated 2026-07-19
ZipCheckup grade for Hartford: B.
This ZIP looks solid, with a few items worth a quick check.
Water systems in Hartford County serve 103 ZIP codes with few reported safety events.
How Hartford County Compares
How Hartford County Compares
Hartford County scores 18 points above the Connecticut state average (65/100) and 15 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-19
ZIP Code Risk Map
Water Quality Map: Hartford 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: $3,759, driven primarily by sea_level
Infrastructure: 0.388% avg pipe failure probability, 54% of ZIPs at high risk
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Hartford County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 62 violations. Past 5 years: 105 total (105 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: $3,759
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Hartford County
Remediation costs are relatively manageable for most homeowners in Hartford 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 Hartford County
8 community water systems serving Hartford County.
- B
- A
- C
- B
- B
- C
Show all 8 water systems
- B
- B
63 total water systems serve Hartford County.
Systems with the most violations in Hartford County
5 water systems with recorded EPA violations.
- A
- C
- C
- B
- A
All ZIP Codes in Hartford County
103 ZIP codes tracked in Hartford County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 06050 | New Britain | 99 | A | 1 | — |
| 2 | 06080 | Suffield | 99 | A | 0 | — |
| 3 | 06081 | Tariffville | 98 | A | 7 (1 health) | $270K |
| 4 | 06129 | Wethersfield | 98 | A | 2 | — |
| 5 | 06131 | Newington | 97 | A | 2 | — |
| 6 | 06013 | Burlington | 95 | A | 0 | $394K |
| 7 | 06041 | Manchester | 95 | A | 5 | — |
| 8 | 06051 | New Britain | 95 | A | 1 | $198K |
| 9 | 06078 | Suffield | 95 | A | 0 | $415K |
| 10 | 06034 | Farmington | 94 | A | 3 (1 health) | — |
| 11 | 06083 | Enfield | 94 | A | 24 (1 health) | — |
| 12 | 06102 | Hartford | 93 | A | 1 | — |
| 13 | 06104 | Hartford | 93 | A | 1 | — |
| 14 | 06123 | Hartford | 93 | A | 1 | — |
| 15 | 06126 | Hartford | 93 | A | 1 | — |
| 16 | 06132 | Hartford | 93 | A | 1 | — |
| 17 | 06134 | Hartford | 93 | A | 1 | — |
| 18 | 06140 | Hartford | 93 | A | 1 | — |
| 19 | 06141 | Hartford | 93 | A | 1 | — |
| 20 | 06142 | Hartford | 93 | A | 1 | — |
| 21 | 06143 | Hartford | 93 | A | 1 | — |
| 22 | 06144 | Hartford | 93 | A | 1 | — |
| 23 | 06145 | Hartford | 93 | A | 1 | — |
| 24 | 06146 | Hartford | 93 | A | 1 | — |
| 25 | 06147 | Hartford | 93 | A | 1 | — |
| 26 | 06150 | Hartford | 93 | A | 1 | — |
| 27 | 06151 | Hartford | 93 | A | 1 | — |
| 28 | 06152 | Hartford | 93 | A | 1 | — |
| 29 | 06153 | Hartford | 93 | A | 1 | — |
| 30 | 06154 | Hartford | 93 | A | 1 | — |
| 31 | 06155 | Hartford | 93 | A | 1 | — |
| 32 | 06156 | Hartford | 93 | A | 1 | — |
| 33 | 06160 | Hartford | 93 | A | 1 | — |
| 34 | 06161 | Hartford | 93 | A | 1 | — |
| 35 | 06167 | Hartford | 93 | A | 1 | — |
| 36 | 06176 | Hartford | 93 | A | 1 | — |
| 37 | 06183 | Hartford | 93 | A | 1 | — |
| 38 | 06199 | Hartford | 93 | A | 1 | — |
| 39 | 06030 | Farmington | 91 | A | 3 (1 health) | — |
| 40 | 06045 | Manchester | 91 | A | 5 | — |
| 41 | 06101 | Hartford | 91 | A | 1 | — |
| 42 | 06103 | Hartford | 91 | A | 1 | $319K |
| 43 | 06105 | Hartford | 91 | A | 1 | $365K |
| 44 | 06112 | Hartford | 91 | A | 1 | $203K |
| 45 | 06115 | Hartford | 91 | A | 1 | — |
| 46 | 06120 | Hartford | 91 | A | 1 | $183K |
| 47 | 06180 | Hartford | 91 | A | 1 | — |
| 48 | 06447 | Marlborough | 91 | A | 2 (1 health) | $373K |
| 49 | 06053 | New Britain | 90 | A | 1 | $202K |
| 50 | 06089 | Weatogue | 90 | A | 0 | $407K |
| 51 | 06019 | Canton | 88 | A | 4 (2 health) | $396K |
| 52 | 06016 | Broad Brook | 87 | A | 9 (2 health) | $301K |
| 53 | 06040 | Manchester | 86 | A | 5 | $239K |
| 54 | 06042 | Manchester | 86 | A | 5 | $219K |
| 55 | 06106 | Hartford | 86 | A | 1 | $202K |
| 56 | 06114 | Hartford | 86 | A | 1 | $228K |
| 57 | 06052 | New Britain | 85 | A | 1 | $244K |
| 58 | 06109 | Wethersfield | 84 | B | 2 | $301K |
| 59 | 06011 | Bristol | 83 | B | 7 | — |
| 60 | 06026 | East Granby | 83 | B | 25 (3 health) | $354K |
| 61 | 06111 | Newington | 83 | B | 2 | $280K |
| 62 | 06062 | Plainville | 82 | B | 4 | $248K |
| 63 | 06088 | East Windsor | 82 | B | 15 (2 health) | $192K |
| 64 | 06032 | Farmington | 81 | B | 3 (1 health) | $419K |
| 65 | 06033 | Glastonbury | 81 | B | 9 (3 health) | $400K |
| 66 | 06037 | Berlin | 81 | B | 12 (1 health) | $346K |
| 67 | 06067 | Rocky Hill | 81 | B | 6 (1 health) | $330K |
| 68 | 06082 | Enfield | 81 | B | 24 (1 health) | $240K |
| 69 | 06489 | Southington | 81 | B | 8 | $361K |
| 70 | 06070 | Simsbury | 80 | B | 13 (2 health) | $414K |
| 71 | 06035 | Granby | 79 | B | 6 | $339K |
| 72 | 06001 | Avon | 78 | B | 6 (1 health) | $457K |
| 73 | 06074 | South Windsor | 78 | B | 14 (1 health) | $355K |
| 74 | 06020 | Canton Center | 73 | B | 0 | — |
| 75 | 06023 | East Berlin | 73 | B | 0 | $370K |
| 76 | 06029 | Ellington | 73 | B | 0 | $352K |
| 77 | 06060 | North Granby | 73 | B | 0 | $402K |
| 78 | 06064 | Poquonock | 73 | B | 0 | — |
| 79 | 06467 | Milldale | 73 | B | 0 | $340K |
| 80 | 06002 | Bloomfield | 69 | C | 30 (7 health) | $269K |
| 81 | 06010 | Bristol | 67 | C | 7 | $252K |
| 82 | 06006 | Windsor | 66 | C | 0 | — |
| 83 | 06022 | Collinsville | 66 | C | 0 | — |
| 84 | 06028 | East Windsor Hill | 66 | C | 0 | — |
| 85 | 06087 | Unionville | 66 | C | 0 | — |
| 86 | 06093 | West Suffield | 66 | C | 0 | $373K |
| 87 | 06127 | West Hartford | 66 | C | 0 | — |
| 88 | 06128 | East Hartford | 66 | C | 30 (14 health) | — |
| 89 | 06133 | West Hartford | 66 | C | 0 | — |
| 90 | 06137 | West Hartford | 66 | C | 0 | — |
| 91 | 06138 | East Hartford | 66 | C | 30 (14 health) | — |
| 92 | 06781 | Pequabuck | 66 | C | 0 | — |
| 93 | 06066 | Vernon Rockville | 65 | C | 0 | $255K |
| 94 | 06085 | Unionville | 65 | C | 0 | $395K |
| 95 | 06095 | Windsor | 65 | C | 0 | $284K |
| 96 | 06096 | Windsor Locks | 65 | C | 0 | $237K |
| 97 | 06108 | East Hartford | 65 | C | 30 (14 health) | $219K |
| 98 | 06110 | West Hartford | 65 | C | 0 | $269K |
| 99 | 06119 | West Hartford | 65 | C | 0 | $362K |
| 100 | 06479 | Plantsville | 65 | C | 0 | $335K |
| 101 | 06107 | West Hartford | 60 | C | 0 | $456K |
| 102 | 06117 | West Hartford | 60 | C | 0 | $437K |
| 103 | 06118 | East Hartford | 60 | C | 30 (14 health) | $213K |
Recommended Buyer Guides for Hartford County
Retailer arrangements don't shape what appears here - the selection logic is independent, filtered against EPA detections and the federal hazard data on file for this county.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Hartford County, Connecticut
Overview
Hartford County in Connecticut covers 103 ZIP codes with an average Home Safety Score of B (83/100).
75 of 103 ZIP codes have recorded EPA violations. 88 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.