Kent County, Rhode Island
9 ZIP codes · Avg score 52/100 · Grade D · Updated 2026-06-03
Drinking water quality in Kent County has lagged behind state benchmarks — multiple documented violations across 9 ZIP codes keep the county's grade low.
How Kent County Compares
How Kent County Compares
Kent County scores 9 points below the Rhode Island state average (61/100) and 16 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Kent 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: 12.7 (asthma 11.9%, diabetes 11.8%)
Estimated additional annual cost per homeowner: $4,334, driven primarily by sea_level
Infrastructure: 0.487% avg pipe failure probability, 78% of ZIPs at high risk
78.9% of homes built before 1978 (lead paint era)
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: $4,334
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
67,764 housing units in Kent 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 Kent County
Remediation costs are relatively manageable for most homeowners in Kent 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 Kent County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Kent County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Cne - New London Turnpike Entry Point | 9,999 | 120 |
| 2 | Cne - Hopkins Hill Road Entry Point | 317 | 120 |
| 3 | Warwick-city of | 73,289 | 112 |
| 4 | Dowling Village | 2,720 | 112 |
| 5 | Warwick-potowomut | 2,163 | 112 |
11 total water systems serve Kent County.
All ZIP Codes in Kent County
9 ZIP codes tracked in Kent County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 2817 | West Greenwich | 64 | C | 0 | $501K |
| 2 | 2887 | Warwick | 64 | C | 28 (1 health) | — |
| 3 | 2816 | Coventry | 55 | C | 8 | $317K |
| 4 | 2886 | Warwick | 54 | D | 28 (1 health) | $334K |
| 5 | 2888 | Warwick | 54 | D | 28 (1 health) | $318K |
| 6 | 2889 | Warwick | 49 | D | 28 (1 health) | $300K |
| 7 | 2831 | Hope | 45 | D | 0 | $469K |
| 8 | 2823 | Fiskeville | 40 | D | 0 | — |
| 9 | 2893 | West Warwick | 40 | D | 0 | $293K |
Recommended Buyer Guides for Kent County
While many sites publish identical guide lists across every county they cover, the selection here changes by location — driven by the EPA, NSF, FEMA, and CDC datasets that describe the actual conditions documented for this jurisdiction in the federal record.
- Best Lead Paint Test Kits — 78.9% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Kent County, Rhode Island
Overview
Kent County in Rhode Island covers 9 ZIP codes with an average Home Safety Score of D (52/100).
5 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.
What You Can Do
Kent County has a grade of D. Here are steps to protect your household.
Test your tap water
Order a certified lab test kit ($20-$50) to check for lead, bacteria, and other contaminants specific to your ZIP code.
Consider a certified water filter
NSF-certified filters can remove most common contaminants. Match the filter to your test results for best protection. Try our filter matcher
Contact your water utility
Request the latest Consumer Confidence Report (CCR) from your water provider. It details exactly what was found in your water supply.
Check for lead in your home
78.9% of homes in this county were built before 1978. Older plumbing and solder can leach lead into drinking water, especially in the morning.