A84/100
WARWICK-POTOWOMUT — Water Quality Report 2026
Serving 2,163 people · Rhode Island
Water Source
Purchased Surface Water
County
—
System ID
RI1900051
Violations
13
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
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2023 – April 22, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2023 – March 31, 2023Rule: Stage 1 DBPREnforcement: 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-POTOWOMUT
Is WARWICK-POTOWOMUT water safe to drink?
WARWICK-POTOWOMUT water receives a grade of A (84/100), which is considered excellent. Out of 1 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-POTOWOMUT detected?
1 contaminants were tested in WARWICK-POTOWOMUT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does WARWICK-POTOWOMUT have any EPA violations?
Yes, WARWICK-POTOWOMUT has 13 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, Other.
How many people does WARWICK-POTOWOMUT serve?
WARWICK-POTOWOMUT serves approximately 2,163 people, Rhode Island. The system provides water to 1 community: Warwick.
What type of water does WARWICK-POTOWOMUT provide?
WARWICK-POTOWOMUT 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 RI1900051.
How does WARWICK-POTOWOMUT compare to other utilities in Rhode Island?
WARWICK-POTOWOMUT scores 84/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Rhode Island state page for a full comparison of water systems.