B79/100
WARWICK-CITY OF — Water Quality Report 2026
Serving 73,289 people · Rhode Island
Water Source
Purchased Surface Water
County
—
System ID
RI1615627
Violations
18
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 11, 2021 – December 15, 2021Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: September 5, 2021 – December 21, 2021Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – December 21, 2021Enforcement: Resolving — corrective action underway
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
Frequently Asked Questions About WARWICK-CITY OF
Is WARWICK-CITY OF water safe to drink?
WARWICK-CITY OF water receives a grade of B (79/100), which is considered good. Out of 69 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has WARWICK-CITY OF detected?
69 contaminants were tested in WARWICK-CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does WARWICK-CITY OF have any EPA violations?
Yes, WARWICK-CITY OF has 18 EPA violation(s) on record, with the most recent in 2021. Violation types include RPT, Other, MR.
How many people does WARWICK-CITY OF serve?
WARWICK-CITY OF serves approximately 73,289 people, Rhode Island. The system provides water to 1 community: Warwick.
What type of water does WARWICK-CITY OF provide?
WARWICK-CITY OF sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is RI1615627.
How does WARWICK-CITY OF compare to other utilities in Rhode Island?
WARWICK-CITY OF scores 79/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Rhode Island state page for a full comparison of water systems.