Plymouth County, Massachusetts
62 ZIP codes · Avg score 71/100 · Grade B · Updated
ZipCheckup grade for Plymouth County: B.
This ZIP looks solid, with a few items worth a quick check.
Within Plymouth County's 62 tracked ZIP codes, safety indicators remain above the national average with few health-based violations on record.
How Plymouth County Compares
How Plymouth County Compares
Plymouth County scores 1 points above the Massachusetts state average (70/100) and 2 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: Plymouth 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 (asthma 12.1%, diabetes 10.3%)
Estimated additional annual cost per homeowner: $2,692, driven primarily by flood
Violation History (2021–2025)
↓ Improving trendEPA violation counts by year across Plymouth County water systems. Health-based shown in red, total in blue.
Peak year: 2022 with 6 violations. Past 5 years: 22 total (22 health-based). Health-based violations are declining versus the prior 2-year window.
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: $2,692
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 Plymouth County
Remediation costs are relatively manageable for most homeowners in Plymouth 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 Plymouth County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Plymouth County
8 community water systems serving Plymouth County.
- B
- C
- B
- C
- B
- C
Show all 8 water systems
- C
- C
31 total water systems serve Plymouth County.
Systems with the most violations in Plymouth County
5 water systems with recorded EPA violations.
- C
- C
- C
- C
- C
All ZIP Codes in Plymouth County
62 ZIP codes tracked in Plymouth County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 01752 | Marlborough | 83 | B | 0 | $485K |
| 2 | 02301 | Brockton | 83 | B | 1 | $414K |
| 3 | 02302 | Brockton | 83 | B | 1 | $395K |
| 4 | 02360 | Plymouth | 83 | B | 4 | $495K |
| 5 | 02382 | Whitman | 83 | B | 1 | $456K |
| 6 | 02538 | East Wareham | 83 | B | 1 | $347K |
| 7 | 02571 | Wareham | 83 | B | 1 | $423K |
| 8 | 02576 | West Wareham | 83 | B | 0 | $349K |
| 9 | 02738 | Marion | 83 | B | 1 (1 health) | $586K |
| 10 | 02739 | Mattapoisett | 83 | B | 0 | $672K |
| 11 | 02364 | Kingston | 82 | B | 4 (1 health) | $562K |
| 12 | 02043 | Hingham | 67 | C | 30 | $1075K |
| 13 | 02045 | Hull | 67 | C | 30 | $606K |
| 14 | 02339 | Hanover | 67 | C | 1 | $706K |
| 15 | 02346 | Middleboro | 67 | C | 30 | $427K |
| 16 | 02347 | Lakeville | 67 | C | 30 | $534K |
| 17 | 02350 | Monponsett | 67 | C | 0 | $310K |
| 18 | 02379 | West Bridgewater | 67 | C | 1 | $501K |
| 19 | 02332 | Duxbury | 66 | C | 2 | $826K |
| 20 | 02338 | Halifax | 66 | C | 60 | $443K |
| 21 | 02341 | Hanson | 66 | C | 3 (1 health) | $499K |
| 22 | 02351 | Abington | 66 | C | 2 (1 health) | $516K |
| 23 | 02359 | Pembroke | 66 | C | 1 | $550K |
| 24 | 02370 | Rockland | 66 | C | 2 (1 health) | $452K |
| 25 | 02558 | Onset | 66 | C | 1 | $427K |
| 26 | 02770 | Rochester | 66 | C | 1 (1 health) | $543K |
| 27 | 02061 | Norwell | 65 | C | 2 | $800K |
| 28 | 02333 | East Bridgewater | 65 | C | 1 | $474K |
| 29 | 02324 | Bridgewater | 60 | C | 7 | $501K |
| 30 | 02330 | Carver | 58 | C | 8 (2 health) | $410K |
| 31 | 02047 | Humarock | 57 | C | 14 (1 health) | $695K |
| 32 | 02050 | Marshfield | 57 | C | 16 (1 health) | $623K |
| 33 | 02066 | Scituate | 57 | C | 14 (1 health) | $790K |
| 34 | 02018 | Accord | — | — | — | |
| 35 | 02020 | Brant Rock | — | — | — | |
| 36 | 02040 | Greenbush | — | — | — | |
| 37 | 02041 | Green Harbor | — | — | — | |
| 38 | 02044 | Hingham | — | — | — | |
| 39 | 02051 | Marshfield Hills | — | — | — | |
| 40 | 02055 | Minot | — | — | — | |
| 41 | 02059 | North Marshfield | — | — | — | |
| 42 | 02060 | North Scituate | — | — | — | |
| 43 | 02065 | Ocean Bluff | — | — | — | |
| 44 | 02303 | Brockton | — | — | — | |
| 45 | 02304 | Brockton | — | — | — | |
| 46 | 02305 | Brockton | — | — | — | |
| 47 | 02325 | Bridgewater | — | — | 5 | — |
| 48 | 02327 | Bryantville | — | — | — | |
| 49 | 02331 | Duxbury | — | — | — | |
| 50 | 02337 | Elmwood | — | — | — | |
| 51 | 02340 | Hanover | — | — | — | |
| 52 | 02344 | Middleboro | — | — | — | |
| 53 | 02345 | Manomet | — | — | — | |
| 54 | 02348 | Lakeville | — | — | — | |
| 55 | 02349 | Middleboro | — | — | — | |
| 56 | 02355 | North Carver | — | — | — | |
| 57 | 02358 | North Pembroke | — | — | — | |
| 58 | 02361 | Plymouth | — | — | — | |
| 59 | 02362 | Plymouth | — | — | — | |
| 60 | 02366 | South Carver | — | — | — | |
| 61 | 02367 | Plympton | — | — | $499K | |
| 62 | 02381 | White Horse Beach | — | — | — |
Recommended Buyer Guides for Plymouth County
Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.
- Best Water Filters for PFAS — PFAS detected in 1 ZIP code
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- 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 Plymouth County, Massachusetts
Overview
Plymouth County in Massachusetts covers 62 tracked ZIP records with an average Home Safety Score of B (71/100) across 33 scored records.
30 of 34 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 6 health-based violations appear in the available health breakdown.
← Back to Massachusetts 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.