Public water system
Knightsville Water Works
PWSID IN5211006 - Clay County, Indiana
367 PPM
21.5 GPG
Very Hard0Soft60120180300+
Very Hard (367 PPM)Verified - Annual Water Quality Report
System Details
- Water source
- groundwater
- Population served
- 1,523
- Service connections
- 565
- Status
- Active
Hardness Evidence
- Reported hardness
- 367 PPM
- Grains per gallon
- 21.5 GPG
- Data source
- Annual Water Quality Report
- Source year
- N/A
- Raw/source estimate
- 473 PPM
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 47803 | Terre Haute, IN | Very Hard (367 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.