D29/100
SWANSEA WATER DISTRICT — Water Quality Report 2026
Serving 17,375 people · Massachusetts
Water Source
Surface Water
County
—
System ID
MA4292000
Violations
14
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
manganese | 1490.00 µg/L | — | Above Goal |
chlorate | 848.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – August 15, 2022Enforcement: 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 SWANSEA WATER DISTRICT
Is SWANSEA WATER DISTRICT water safe to drink?
SWANSEA WATER DISTRICT water receives a grade of D (29/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 14 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has SWANSEA WATER DISTRICT detected?
69 contaminants were tested in SWANSEA WATER DISTRICT's water. Notable contaminants include Lead (90th percentile), manganese, chlorate. No contaminants exceed EPA legal limits. 3 exceed EPA health goals (MCLGs).
Does SWANSEA WATER DISTRICT have any EPA violations?
Yes, SWANSEA WATER DISTRICT has 14 EPA violation(s) on record, with the most recent in 2022. Violation types include Other, MCL, TT. 12 are health-based violations.
How many people does SWANSEA WATER DISTRICT serve?
SWANSEA WATER DISTRICT serves approximately 17,375 people, Massachusetts. The system provides water to 1 community: Swansea.
What type of water does SWANSEA WATER DISTRICT provide?
SWANSEA WATER DISTRICT 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 MA4292000.
How does SWANSEA WATER DISTRICT compare to other utilities in Massachusetts?
SWANSEA WATER DISTRICT scores 29/100 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.