C43/100
SLATERSVILLE PUBLIC SUPPLY — Water Quality Report 2026
Serving 3,403 people · Rhode Island
Water Source
Purchased Surface Water
County
—
System ID
RI1615614
Violations
18
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 2.50 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
1
Health-Related
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
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 12, 2024Rule: Ground Water RuleEnforcement: 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 SLATERSVILLE PUBLIC SUPPLY
Is SLATERSVILLE PUBLIC SUPPLY water safe to drink?
SLATERSVILLE PUBLIC SUPPLY water receives a grade of C (43/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 18 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has SLATERSVILLE PUBLIC SUPPLY detected?
2 contaminants were tested in SLATERSVILLE PUBLIC SUPPLY's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does SLATERSVILLE PUBLIC SUPPLY have any EPA violations?
Yes, SLATERSVILLE PUBLIC SUPPLY has 18 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, MR, Other. 7 are health-based violations.
How many people does SLATERSVILLE PUBLIC SUPPLY serve?
SLATERSVILLE PUBLIC SUPPLY serves approximately 3,403 people, Rhode Island. The system provides water to 1 community: North Smithfield.
What type of water does SLATERSVILLE PUBLIC SUPPLY provide?
SLATERSVILLE PUBLIC SUPPLY 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 RI1615614.
How does SLATERSVILLE PUBLIC SUPPLY compare to other utilities in Rhode Island?
SLATERSVILLE PUBLIC SUPPLY scores 43/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Rhode Island state page for a full comparison of water systems.