F0/100
KINGSTON WATER DEPARTMENT — Water Quality Report 2026
Serving 14,712 people · Massachusetts
Water Source
Groundwater
County
—
System ID
MA4145000
Violations
69
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.60 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
4
Violations (last 5yr)
0
Unresolved
1
Health-Related
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: January 14, 2023 – May 15, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3Resolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 16, 2022 – June 14, 2023Rule: Total Coliform RuleEnforcement: Formal — state order issued
TIER 2Resolved
Treatment technique violation
When: December 15, 2022 – May 4, 2023Rule: Total Coliform RuleEnforcement: Formal — state order issued
TIER 3Resolved
Failed to conduct Level 1 Assessment
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 8, 2022 – May 4, 2023Rule: Consumer Confidence RuleEnforcement: Formal — state order issued
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 KINGSTON WATER DEPARTMENT
Is KINGSTON WATER DEPARTMENT water safe to drink?
KINGSTON WATER DEPARTMENT water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 69 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has KINGSTON WATER DEPARTMENT detected?
67 contaminants were tested in KINGSTON WATER DEPARTMENT's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does KINGSTON WATER DEPARTMENT have any EPA violations?
Yes, KINGSTON WATER DEPARTMENT has 69 EPA violation(s) on record, with the most recent in 2023. Violation types include Other, RPT, TT. 6 are health-based violations.
How many people does KINGSTON WATER DEPARTMENT serve?
KINGSTON WATER DEPARTMENT serves approximately 14,712 people, Massachusetts. The system provides water to 1 community: Kingston.
What type of water does KINGSTON WATER DEPARTMENT provide?
KINGSTON WATER DEPARTMENT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MA4145000.
How does KINGSTON WATER DEPARTMENT compare to other utilities in Massachusetts?
KINGSTON WATER DEPARTMENT scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Massachusetts state page for a full comparison of water systems.