B65/100
WHITINSVILLE WATER COMPANY — Water Quality Report 2026
Serving 7,933 people · Massachusetts
Water Source
Groundwater Under Influence of Surface Water
County
—
System ID
MA2216000
Violations
15
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 2.67 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2018.
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 WHITINSVILLE WATER COMPANY
Is WHITINSVILLE WATER COMPANY water safe to drink?
WHITINSVILLE WATER COMPANY water receives a grade of B (65/100), which is considered good. Out of 35 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has WHITINSVILLE WATER COMPANY detected?
35 contaminants were tested in WHITINSVILLE WATER COMPANY's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does WHITINSVILLE WATER COMPANY have any EPA violations?
Yes, WHITINSVILLE WATER COMPANY has 15 EPA violation(s) on record, with the most recent in 2018. Violation types include MR, TT, MCL. 3 are health-based violations.
How many people does WHITINSVILLE WATER COMPANY serve?
WHITINSVILLE WATER COMPANY serves approximately 7,933 people, Massachusetts. The system provides water to 1 community: Northbridge.
What type of water does WHITINSVILLE WATER COMPANY provide?
WHITINSVILLE WATER COMPANY 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 MA2216000.
How does WHITINSVILLE WATER COMPANY compare to other utilities in Massachusetts?
WHITINSVILLE WATER COMPANY scores 65/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Massachusetts state page for a full comparison of water systems.