YARMOUTH WATER DEPARTMENT Water Quality Report
Population
38,900
people served
Water Source
🏔️ Ground
wells & aquifers
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 3
violations recorded
C
Fair
Safety Grade
3 violations in the past 5 years, including 2 health-based
System Details
- PWSID
- MA4351000
- Population Served
- 38,900
- Water Source
- Ground Water
- Owner
- Local Government
- State
- Massachusetts
- EPA Region
- 1
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 8000 | ✕ Health-Based | 4 |
| Contaminant 3002 | ⚠ Monitoring/Reporting | 1 |
| Nitrate | ⚠ Monitoring/Reporting | 4 |
| Nitrite | ⚠ Monitoring/Reporting | 2 |
Violation History
2021
3
2020
4
2018
4
Total violations on record: 11
Service Area
Cities Served
ZIP Codes Served
Recommended Water Filters
Based on contaminants detected in this water system:
Reverse Osmosis System
Removes up to 99% of contaminants including PFAS, lead, arsenic, and nitrates
Removes: Nitrate, Nitrite
How does this compare?
This systemNational average
Grade C
Avg: B-C
11violations total
39% of national average
National avg: ~28 per system
📍 Mid-to-large system — serves 6× the national average.