Public water system
Old Hwy 90 Water Service
PWSID TX1630035 - Medina County, Texas
250 PPM
14.6 GPG
Very Hard0Soft60120180300+
Very Hard (250 PPM)High Confidence - USGS Monitoring
System Details
- Water source
- groundwater
- Population served
- 1,215
- Service connections
- 405
- Status
- Active
Hardness Evidence
- Reported hardness
- 250 PPM
- Grains per gallon
- 14.6 GPG
- Data source
- USGS monitoring
- Source year
- N/A
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 78009 | Castroville, TX | Hard (248 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.