Public water system
Ottawa County Regional Water District
PWSID OH6205011 - Ottawa County, Ohio
257 PPM
15 GPG
Very Hard0Soft60120180300+
Very Hard (257 PPM)Estimated - Nearby Data
System Details
- Water source
- surface water
- Population served
- 20,428
- Service connections
- 8,372
- Status
- Active
Hardness Evidence
- Reported hardness
- 257 PPM
- Grains per gallon
- 15 GPG
- Data source
- Nearby estimate
- Source year
- N/A
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 43408 | Clay Center, OH | Very Hard (257 PPM) |
| 43416 | Elmore, OH | Very Hard (257 PPM) |
| 43430 | Genoa, OH | Very Hard (257 PPM) |
| 43432 | Elliston, OH | Very Hard (257 PPM) |
| 43439 | Lacarne, OH | Very Hard (257 PPM) |
| 43440 | Lakeside, OH | Very Hard (257 PPM) |
| 43445 | Bono, OH | Very Hard (257 PPM) |
| 43449 | Oak Harbor, OH | Very Hard (257 PPM) |
| 43452 | Port Clinton, OH | Very Hard (258 PPM) |
| 43456 | Put In Bay, OH | Very Hard (257 PPM) |
| 43458 | Rocky Ridge, OH | Very Hard (257 PPM) |
| 43468 | Williston, OH | Very Hard (257 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.