B65/100
Whitinsville Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 7,933 residents · Massachusetts
What's In Whitinsville's Tap Water?
35
Contaminants Tested
1
Exceed EPA Limits
0
Above EPA Goals
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
Water Utility Details
WHITINSVILLE WATER COMPANY
Population Served
7,933
Water Source
Groundwater Under Influence of Surface Water
System ID
MA2216000
Frequently Asked Questions About Whitinsville Water
Is Whitinsville tap water safe to drink?
Whitinsville, Massachusetts tap water receives a grade of B (65/100), which is considered good. Out of 35 contaminants tested, 1 exceed EPA maximum contaminant levels (MCLs) and 1 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Whitinsville's water?
Of the 35 contaminants tested in Whitinsville's water supply, the most notable include Copper (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Whitinsville have any water quality violations?
Yes, Whitinsville has 15 EPA violation(s) on record, with the most recent in 2018. Violation types include MR, TT, MCL. 3 of these are health-based violations, which are the most serious category.
Do I need a water filter in Whitinsville?
Based on EPA data, using a water filter in Whitinsville 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 Whitinsville's tap water come from?
Whitinsville's drinking water is sourced from groundwater under influence of surface water and supplied by WHITINSVILLE WATER COMPANY. The system serves approximately 7,933 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Whitinsville'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. Whitinsville'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 Whitinsville's water compare to other cities in Massachusetts?
Whitinsville's water quality score of 65/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our Massachusetts state page to see how all cities in the state compare.
What should I do if I'm concerned about Whitinsville's water quality?
If you have concerns about Whitinsville'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 (WHITINSVILLE WATER COMPANY) 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.