Public water system
Sjcu-Cr214 Mainland Wtp
PWSID FL2554447 - St. Johns County, Florida
260 PPM
15.2 GPG
Very Hard0Soft60120180300+
Very Hard (260 PPM)Verified - Annual Water Quality Report
System Details
- Water source
- groundwater
- Population served
- 66,953
- Service connections
- 26,781
- Status
- Active
Hardness Evidence
- Reported hardness
- 260 PPM
- Grains per gallon
- 15.2 GPG
- Data source
- Annual Water Quality Report
- Source year
- N/A
- Raw/source estimate
- 392 PPM
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 32033 | Elkton, FL | Very Hard (260 PPM) |
| 32082 | Ponte Vedra Beac, FL | Very Hard (260 PPM) |
| 32084 | Saint Augustine, FL | Very Hard (261 PPM) |
| 32086 | Saint Augustine, FL | Very Hard (260 PPM) |
| 32092 | Saint Augustine, FL | Very Hard (260 PPM) |
| 32095 | Saint Augustine, FL | Very Hard (260 PPM) |
| 32145 | Hastings, FL | Very Hard (261 PPM) |
| 32259 | Jacksonville, FL | Very Hard (260 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.