C43/100
North Smithfield Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 3,403 residents · Rhode Island
What's In North Smithfield's Tap Water?
2
Contaminants Tested
1
Exceed EPA Limits
1
Above EPA Goals
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
Water Utility Details
SLATERSVILLE PUBLIC SUPPLY
Population Served
3,403
Water Source
Purchased Surface Water
System ID
RI1615614
Frequently Asked Questions About North Smithfield Water
Is North Smithfield tap water safe to drink?
North Smithfield, Rhode Island tap water receives a grade of C (43/100), which is considered fair. 1 contaminant(s) exceed EPA maximum contaminant levels and 18 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in North Smithfield's water?
Of the 2 contaminants tested in North Smithfield's water supply, the most notable include Copper (90th percentile), Lead (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does North Smithfield have any water quality violations?
Yes, North Smithfield has 18 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, MR, Other. 7 of these are health-based violations, which are the most serious category.
Do I need a water filter in North Smithfield?
Based on EPA data, using a water filter in North Smithfield is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does North Smithfield's tap water come from?
North Smithfield's drinking water is sourced from purchased surface water and supplied by SLATERSVILLE PUBLIC SUPPLY. The system serves approximately 3,403 people. Surface water sources include rivers, lakes, and reservoirs.
How often is North Smithfield'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. North Smithfield'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 North Smithfield's water compare to other cities in Rhode Island?
North Smithfield's water quality score of 43/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our Rhode Island state page to see how all cities in the state compare.
What should I do if I'm concerned about North Smithfield's water quality?
If you have concerns about North Smithfield'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 (SLATERSVILLE PUBLIC SUPPLY) 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.