F12/100
SOUTH GRAFTON WATER DISTRICT — Water Quality Report 2026
Serving 3,262 people · Massachusetts
Water Source
Groundwater Under Influence of Surface Water
County
—
System ID
MA2110001
Violations
20
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.45 mg/L | 1.30 mg/L | Over Limit |
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: June 1, 2025Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024Enforcement: Formal — state order issued
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 30, 2022 – July 11, 2023Rule: Ground Water 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 SOUTH GRAFTON WATER DISTRICT
Is SOUTH GRAFTON WATER DISTRICT water safe to drink?
SOUTH GRAFTON WATER DISTRICT water receives a grade of F (12/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 20 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has SOUTH GRAFTON WATER DISTRICT detected?
2 contaminants were tested in SOUTH GRAFTON WATER DISTRICT's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does SOUTH GRAFTON WATER DISTRICT have any EPA violations?
Yes, SOUTH GRAFTON WATER DISTRICT has 20 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, Other, MCL. 15 are health-based violations.
How many people does SOUTH GRAFTON WATER DISTRICT serve?
SOUTH GRAFTON WATER DISTRICT serves approximately 3,262 people, Massachusetts. The system provides water to 1 community: Grafton.
What type of water does SOUTH GRAFTON WATER DISTRICT provide?
SOUTH GRAFTON WATER DISTRICT sources its water from groundwater under influence of surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is MA2110001.
How does SOUTH GRAFTON WATER DISTRICT compare to other utilities in Massachusetts?
SOUTH GRAFTON WATER DISTRICT scores 12/100 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.