A81/100
TYNGSBOROUGH WATER DISTRICT — Water Quality Report 2026
Serving 4,382 people · Massachusetts
Water Source
Purchased Surface Water
County
—
System ID
MA3301000
Violations
8
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 5.58 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2014.
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 TYNGSBOROUGH WATER DISTRICT
Is TYNGSBOROUGH WATER DISTRICT water safe to drink?
TYNGSBOROUGH WATER DISTRICT water receives a grade of A (81/100), which is considered excellent. Out of 32 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has TYNGSBOROUGH WATER DISTRICT detected?
32 contaminants were tested in TYNGSBOROUGH WATER DISTRICT's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does TYNGSBOROUGH WATER DISTRICT have any EPA violations?
Yes, TYNGSBOROUGH WATER DISTRICT has 8 EPA violation(s) on record, with the most recent in 2014. Violation types include MR.
How many people does TYNGSBOROUGH WATER DISTRICT serve?
TYNGSBOROUGH WATER DISTRICT serves approximately 4,382 people, Massachusetts. The system provides water to 1 community: Tyngsborough.
What type of water does TYNGSBOROUGH WATER DISTRICT provide?
TYNGSBOROUGH WATER DISTRICT sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is MA3301000.
How does TYNGSBOROUGH WATER DISTRICT compare to other utilities in Massachusetts?
TYNGSBOROUGH WATER DISTRICT scores 81/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Massachusetts state page for a full comparison of water systems.