Public water system
Duncan Public Utilities Authority
PWSID OK1010809 - Stephens County, Oklahoma
364 PPM
21.3 GPG
Very Hard0Soft60120180300+
Very Hard (364 PPM)Estimated - County Avg
System Details
- Water source
- surface water
- Population served
- 23,000
- Service connections
- 10,938
- Status
- Active
Hardness Evidence
- Reported hardness
- 364 PPM
- Grains per gallon
- 21.3 GPG
- Data source
- County average estimate
- Source year
- N/A
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 73055 | Marlow, OK | Very Hard (332 PPM) |
| 73425 | Fox, OK | Very Hard (364 PPM) |
| 73442 | Loco, OK | Very Hard (364 PPM) |
| 73491 | Loco, OK | Very Hard (363 PPM) |
| 73529 | Comanche, OK | Very Hard (410 PPM) |
| 73533 | Duncan, OK | Very Hard (364 PPM) |
| 73548 | Hastings, OK | Very Hard (464 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.