Public water system
Epcor - San Tan
PWSID AZ0411128 - Pinal County, Arizona
250 PPM
14.6 GPG
Very Hard0Soft60120180300+
Very Hard (250 PPM)Verified - Annual Water Quality Report
System Details
- Water source
- groundwater
- Population served
- 87,435
- Service connections
- 26,986
- Status
- Active
Hardness Evidence
- Reported hardness
- 250 PPM
- Grains per gallon
- 14.6 GPG
- Data source
- Annual Water Quality Report
- Source year
- N/A
- Raw/source estimate
- 651 PPM
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 85122 | Casa Grande, AZ | Very Hard (250 PPM) |
| 85138 | Maricopa, AZ | Very Hard (250 PPM) |
| 85139 | Maricopa, AZ | Very Hard (250 PPM) |
| 85193 | Casa Grande, AZ | Very Hard (250 PPM) |
| 85618 | Mammoth, AZ | Very Hard (250 PPM) |
| 85623 | Oracle, AZ | Very Hard (250 PPM) |
| 85631 | San Manuel, AZ | Very Hard (251 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.