Newport County, Rhode Island
9 ZIP codes · Avg score 69/100 · Grade C · Updated 2026-06-09
Spanning 9 ZIP codes, Newport County lands near the national median for water safety — compliance results are mixed, and the county's middle-grade standing reflects genuine variability rather than a single systemic problem.
How Newport County Compares
How Newport County Compares
Newport County scores 8 points above the Rhode Island state average (61/100) and 1 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-09
ZIP Code Risk Map
Water Quality Map: Newport County, Rhode Island
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 11.9 (asthma 10.6%, diabetes 10.3%)
Estimated additional annual cost per homeowner: $3,131, driven primarily by flood
Infrastructure: 0.53% avg pipe failure probability, 75% of ZIPs at high risk
79.4% of homes built before 1978 (lead paint era)
Violation History (2022–2023)
→ Stable trendEPA violation counts by year across Newport County water systems. Health-based shown in red, total in blue.
Peak year: 2023 with 5 violations. Past 5 years: 7 total (7 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: $3,131
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
43,415 housing units in Newport 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 Newport County
Remediation costs are relatively manageable for most homeowners in Newport 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 Newport County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Newport County
8 community water systems serving Newport County.
- C
- B
- B
- B
- B
- B
Show all 8 systems
- B
- B
12 total water systems serve Newport County.
Systems with the most violations in Newport County
5 systems with recorded EPA violations.
- B
- B
- B
- B
- C
All ZIP Codes in Newport County
9 ZIP codes tracked in Newport County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 2841 | Newport | 82 | B | 3 | — |
| 2 | 2872 | Prudence Island | 79 | B | 6 | $294K |
| 3 | 2842 | Middletown | 72 | B | 2 | $537K |
| 4 | 2878 | Tiverton | 72 | B | 20 (1 health) | $367K |
| 5 | 2835 | Jamestown | 71 | B | 4 | $752K |
| 6 | 2840 | Newport | 67 | C | 3 | $670K |
| 7 | 2801 | Adamsville | 63 | C | 0 | — |
| 8 | 2871 | Portsmouth | 60 | C | 9 (3 health) | $540K |
| 9 | 2837 | Little Compton | 55 | C | 0 | $726K |
Recommended Buyer Guides for Newport County
Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance — guides surface only when county data warrants them.
- Best Lead Paint Test Kits — 79.4% of homes built before 1978
- 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 Newport County, Rhode Island
Overview
Newport County in Rhode Island covers 9 ZIP codes with an average Home Safety Score of C (69/100).
7 of 9 ZIP codes have recorded EPA violations. 4 health-based violations have been documented.
← Back to Rhode Island 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.