A86/100
West Greenwich Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 88,779 residents · Rhode Island
What's In West Greenwich's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
KENT COUNTY WATER AUTHORITY
Population Served
88,779
Water Source
Purchased Surface Water
System ID
RI1559511
Frequently Asked Questions About West Greenwich Water
Is West Greenwich tap water safe to drink?
West Greenwich, Rhode Island tap water receives a grade of A (86/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 1 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in West Greenwich's water?
Of the 69 contaminants tested in West Greenwich's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does West Greenwich have any water quality violations?
Yes, West Greenwich has 7 EPA violation(s) on record, with the most recent in 2019. Violation types include MR, MCL, Other. 1 of these are health-based violations, which are the most serious category.
Do I need a water filter in West Greenwich?
West Greenwich water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.
Where does West Greenwich's tap water come from?
West Greenwich's drinking water is sourced from purchased surface water and supplied by KENT COUNTY WATER AUTHORITY. The system serves approximately 88,779 people. Surface water sources include rivers, lakes, and reservoirs.
How often is West Greenwich's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. West Greenwich's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does West Greenwich's water compare to other cities in Rhode Island?
West Greenwich's water quality score of 86/100 earns a grade of A, which is considered excellent. This places West Greenwich among the better-performing water systems in Rhode Island. Visit our Rhode Island state page to see how all cities in the state compare.
What should I do if I'm concerned about West Greenwich's water quality?
If you have concerns about West Greenwich's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (KENT COUNTY WATER AUTHORITY) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.