Public water system
Unh/Durham Water Sys
PWSID NH0691010 - Strafford County, New Hampshire
126 PPM
7.4 GPG
Moderately Hard0Soft60120180300+
Moderately Hard (126 PPM)High Confidence - USGS Monitoring
System Details
- Water source
- surface water
- Population served
- 16,000
- Service connections
- 1,250
- Status
- Active
Hardness Evidence
- Reported hardness
- 126 PPM
- Grains per gallon
- 7.4 GPG
- Data source
- USGS monitoring
- Source year
- N/A
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 03820 | Madbury, NH | Slightly Hard (93 PPM) |
| 03824 | Lee, NH | Slightly Hard (93 PPM) |
| 03825 | Barrington, NH | Slightly Hard (93 PPM) |
| 03835 | Farmington, NH | Slightly Hard (90 PPM) |
| 03839 | Gonic, NH | Slightly Hard (93 PPM) |
| 03852 | Milton Mills, NH | Slightly Hard (93 PPM) |
| 03855 | New Durham, NH | Slightly Hard (92 PPM) |
| 03867 | Rochester, NH | Slightly Hard (92 PPM) |
| 03868 | East Rochester, NH | Slightly Hard (93 PPM) |
| 03869 | Rollinsford, NH | Slightly Hard (94 PPM) |
| 03878 | Somersworth, NH | Slightly Hard (93 PPM) |
| 03884 | Strafford, NH | Slightly Hard (93 PPM) |
| 03887 | Union, NH | Slightly Hard (93 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.