A89/100
ANDOVER WATER DEPT — Water Quality Report 2026
Serving 36,569 people · Massachusetts
Water Source
Surface Water
County
—
System ID
MA3009000
Violations
3
Contaminant Test Results
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
2
Health-Related
TIER 2Unresolved
Public notification violation
When: January 1, 2022 – December 31, 2022Rule: Ground Water RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Resolved
Failed to meet Level 1 treatment technique trigger
When: November 1, 2021Rule: 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 ANDOVER WATER DEPT
Is ANDOVER WATER DEPT water safe to drink?
ANDOVER WATER DEPT water receives a grade of A (89/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has ANDOVER WATER DEPT detected?
69 contaminants were tested in ANDOVER WATER DEPT's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does ANDOVER WATER DEPT have any EPA violations?
Yes, ANDOVER WATER DEPT has 3 EPA violation(s) on record, with the most recent in 2022. Violation types include TT, MR. 2 are health-based violations.
How many people does ANDOVER WATER DEPT serve?
ANDOVER WATER DEPT serves approximately 36,569 people, Massachusetts. The system provides water to 1 community: Andover.
What type of water does ANDOVER WATER DEPT provide?
ANDOVER WATER DEPT sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is MA3009000.
How does ANDOVER WATER DEPT compare to other utilities in Massachusetts?
ANDOVER WATER DEPT scores 89/100 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.