D27/100
WELLESLEY COLLEGE — Water Quality Report 2026
Serving 3,000 people · Massachusetts
Water Source
Groundwater
County
—
System ID
MA3317001
Violations
18
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.007 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 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 WELLESLEY COLLEGE
Is WELLESLEY COLLEGE water safe to drink?
WELLESLEY COLLEGE water receives a grade of D (27/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 18 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has WELLESLEY COLLEGE detected?
1 contaminants were tested in WELLESLEY COLLEGE's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does WELLESLEY COLLEGE have any EPA violations?
Yes, WELLESLEY COLLEGE has 18 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, MCL. 13 are health-based violations.
How many people does WELLESLEY COLLEGE serve?
WELLESLEY COLLEGE serves approximately 3,000 people, Massachusetts. The system provides water to 1 community: Wellesley.
What type of water does WELLESLEY COLLEGE provide?
WELLESLEY COLLEGE sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MA3317001.
How does WELLESLEY COLLEGE compare to other utilities in Massachusetts?
WELLESLEY COLLEGE scores 27/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Massachusetts state page for a full comparison of water systems.