HYANNIS WATER SYSTEM, TOWN OF BARNSTABLE Water Quality Report
Population
35,000
people served
Water Source
🏔️ Ground
wells & aquifers
National Rank
Top 43%
of 49,184 US systems
5-Year Record
✅ Clean
no violations
A
Safe
Safety Grade
0 violations in the past 5 years
System Details
- PWSID
- MA4020004
- Population Served
- 35,000
- Water Source
- Ground Water
- Owner
- Local Government
- State
- Massachusetts
- EPA Region
- 1
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 5000 | ⚠ Monitoring/Reporting | 2 |
| Contaminant 7500 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 0700 | ⚠ Monitoring/Reporting | 1 |
Violation History
2017
1
2009
1
2007
1
1998
1
Total violations on record: 4
Service Area
Cities Served
ZIP Codes Served
How does this compare?
This systemNational average
Grade A
Avg: B-C
4violations total
14% of national average
National avg: ~28 per system
📍 Mid-to-large system — serves 5× the national average.