Public water system
Oak Bluffs Water District
PWSID MA4221000 - Dukes County, Massachusetts
33 PPM
1.9 GPG
Soft0Soft60120180300+
Soft (33 PPM)High Confidence - USGS Monitoring
System Details
- Water source
- groundwater
- Population served
- 24,000
- Service connections
- 4,628
- Status
- Active
Hardness Evidence
- Reported hardness
- 33 PPM
- Grains per gallon
- 1.9 GPG
- Data source
- USGS monitoring
- Source year
- N/A
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 02535 | Chilmark, MA | Soft (33 PPM) |
| 02539 | Edgartown, MA | Soft (33 PPM) |
| 02568 | Vineyard Haven, MA | Soft (33 PPM) |
| 02575 | West Tisbury, MA | Soft (33 PPM) |
| 02713 | Cuttyhunk, MA | Soft (32 PPM) |
How to Use This System Page
A public water system can serve multiple ZIP codes and cities. Use this page to inspect the source behind the hardness reading, then open the linked ZIP or city page for the local rollup.
If you are sizing treatment equipment, confirm your actual tap hardness with a home test or lab test before buying.