Bristol County, Massachusetts
40 ZIP codes · Avg score 67/100 · Grade C · Updated 2026-07-19
ZipCheckup grade for Bristol: C.
A mixed picture - some signals here are worth your attention.
In recent monitoring cycles, Bristol County's 40 ZIP codes show a split record - several have documented water safety violations.
How Bristol County Compares
How Bristol County Compares
Bristol County scores 1 points above the Massachusetts state average (66/100) and 1 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-19
ZIP Code Risk Map
Water Quality Map: Bristol County, Massachusetts
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.9 (asthma 12.5%, diabetes 10.7%)
Estimated additional annual cost per homeowner: $3,777, driven primarily by sea_level
Infrastructure: 0.467% avg pipe failure probability, 75% of ZIPs at high risk
72.2% of homes built before 1978 (lead paint era)
Violation History (2021–2023)
→ Stable trendEPA violation counts by year across Bristol County water systems. Health-based shown in red, total in blue.
Peak year: 2021 with 31 violations. Past 5 years: 58 total (58 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: $3,777
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
228,202 housing units in Bristol 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 Bristol County
Remediation costs are relatively manageable for most homeowners in Bristol 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 Bristol County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Bristol County
8 community water systems serving Bristol County.
- B
- D
- C
- B
- C
- C
Show all 8 water systems
- B
- B
31 total water systems serve Bristol County.
Systems with the most violations in Bristol County
5 water systems with recorded EPA violations.
- C
- C
- D
- F
- C
All ZIP Codes in Bristol County
40 ZIP codes tracked in Bristol County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 02031 | Mansfield | 83 | B | 1 | — |
| 2 | 02334 | Easton | 83 | B | 0 | — |
| 3 | 02741 | New Bedford | 83 | B | 0 | — |
| 4 | 02742 | New Bedford | 83 | B | 0 | — |
| 5 | 02745 | New Bedford | 83 | B | 0 | $340K |
| 6 | 02783 | Taunton | 81 | B | 1 | — |
| 7 | 02048 | Mansfield | 78 | B | 1 | $571K |
| 8 | 02375 | South Easton | 78 | B | 0 | $492K |
| 9 | 02740 | New Bedford | 78 | B | 0 | $303K |
| 10 | 02743 | Acushnet | 78 | B | 4 | $407K |
| 11 | 02744 | New Bedford | 78 | B | 0 | $345K |
| 12 | 02771 | Seekonk | 78 | B | 0 | $462K |
| 13 | 02769 | Rehoboth | 77 | B | 3 (1 health) | $487K |
| 14 | 02767 | Raynham | 76 | B | 0 | $508K |
| 15 | 02777 | Swansea | 71 | B | 2 | $415K |
| 16 | 02780 | Taunton | 71 | B | 1 | $378K |
| 17 | 02702 | Assonet | 70 | B | 0 | $479K |
| 18 | 02764 | North Dighton | 70 | B | 4 (2 health) | $498K |
| 19 | 02790 | Westport | 69 | C | 3 | $476K |
| 20 | 02719 | Fairhaven | 66 | C | 2 (2 health) | $407K |
| 21 | 02715 | Dighton | 65 | C | 4 (2 health) | $479K |
| 22 | 02720 | Fall River | 64 | C | 1 | $362K |
| 23 | 02721 | Fall River | 64 | C | 1 | $363K |
| 24 | 02724 | Fall River | 64 | C | 1 | $368K |
| 25 | 02035 | Foxboro | 63 | C | 0 | $582K |
| 26 | 02770 | Rochester | 63 | C | 0 | $543K |
| 27 | 02779 | Berkley | 63 | C | 0 | $472K |
| 28 | 02714 | Dartmouth | 62 | C | 6 (4 health) | — |
| 29 | 02703 | Attleboro | 59 | C | 23 | $409K |
| 30 | 02722 | Fall River | 58 | C | 1 | — |
| 31 | 02723 | Fall River | 58 | C | 1 | $313K |
| 32 | 02356 | North Easton | 55 | C | 0 | $622K |
| 33 | 02747 | North Dartmouth | 55 | C | 0 | $460K |
| 34 | 02791 | Westport Point | 55 | C | 0 | $947K |
| 35 | 02712 | Chartley | 53 | D | 0 | — |
| 36 | 02766 | Norton | 53 | D | 6 (5 health) | $477K |
| 37 | 02768 | Raynham Center | 53 | D | 0 | — |
| 38 | 02748 | South Dartmouth | 50 | D | 0 | $483K |
| 39 | 02725 | Somerset | 42 | D | 6 (6 health) | $390K |
| 40 | 02726 | Somerset | 37 | F | 6 (6 health) | $389K |
Recommended Buyer Guides for Bristol County
Four sources - EPA, NSF, FEMA, CDC - drive the match.
- Best Lead Paint Test Kits — 72.2% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Bristol County, Massachusetts
Overview
Bristol County in Massachusetts covers 40 ZIP codes with an average Home Safety Score of C (67/100).
21 of 40 ZIP codes have recorded EPA violations. 28 health-based violations have been documented.
← Back to Massachusetts 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.