B64/100

JAMESTOWN WATER DEPARTMENT — Water Quality Report 2026

Serving 3,348 people · Rhode Island

Water Source
Surface Water
County
System ID
RI1858419
Violations
21

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Lead (90th percentile)
0.001 mg/L0.015 mg/LAbove Goal

EPA Violation History

5

Violations (last 5yr)

0

Unresolved

0

Health-Related

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: June 1, 2025 – June 30, 2025Rule: Stage 1 DBPREnforcement: 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: October 1, 2024 – October 31, 2024Rule: Stage 1 DBPREnforcement: 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: July 1, 2024 – September 30, 2024Rule: Stage 2 DBPREnforcement: 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: July 1, 2024 – September 30, 2024Rule: Stage 2 DBPREnforcement: 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, 2024 – January 31, 2024Rule: Stage 1 DBPREnforcement: 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 JAMESTOWN WATER DEPARTMENT

Is JAMESTOWN WATER DEPARTMENT water safe to drink?

JAMESTOWN WATER DEPARTMENT water receives a grade of B (64/100), which is considered good. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.

What contaminants has JAMESTOWN WATER DEPARTMENT detected?

31 contaminants were tested in JAMESTOWN WATER DEPARTMENT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does JAMESTOWN WATER DEPARTMENT have any EPA violations?

Yes, JAMESTOWN WATER DEPARTMENT has 21 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, Other, MRDL. 3 are health-based violations.

How many people does JAMESTOWN WATER DEPARTMENT serve?

JAMESTOWN WATER DEPARTMENT serves approximately 3,348 people, Rhode Island. The system provides water to 1 community: Jamestown.

What type of water does JAMESTOWN WATER DEPARTMENT provide?

JAMESTOWN WATER DEPARTMENT sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is RI1858419.

How does JAMESTOWN WATER DEPARTMENT compare to other utilities in Rhode Island?

JAMESTOWN WATER DEPARTMENT scores 64/100 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.

Cities Served