Public water system
Ventura Water Department
PWSID CA5610017 - Ventura County, California
601 PPM
35.1 GPG
Very Hard0Soft60120180300+
Very Hard (601 PPM)High Confidence - USGS Monitoring
System Details
- Water source
- surface water
- Population served
- 113,500
- Service connections
- 28,954
- Status
- Active
Hardness Evidence
- Reported hardness
- 601 PPM
- Grains per gallon
- 35.1 GPG
- Data source
- USGS monitoring
- Source year
- N/A
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 91320 | Newbury Park, CA | Very Hard (417 PPM) |
| 91360 | Thousand Oaks, CA | Very Hard (417 PPM) |
| 91361 | Westlake Village, CA | Very Hard (417 PPM) |
| 91362 | Westlake Village, CA | Very Hard (417 PPM) |
| 91377 | Westlake Village, CA | Very Hard (417 PPM) |
| 93001 | San Buenaventura, CA | Very Hard (417 PPM) |
| 93003 | San Buenaventura, CA | Very Hard (417 PPM) |
| 93004 | San Buenaventura, CA | Very Hard (417 PPM) |
| 93010 | Camarillo, CA | Very Hard (417 PPM) |
| 93012 | Camarillo, CA | Very Hard (417 PPM) |
| 93015 | Bardsdale, CA | Very Hard (417 PPM) |
| 93021 | Moorpark, CA | Very Hard (417 PPM) |
| 93022 | Oak View, CA | Very Hard (417 PPM) |
| 93023 | Ojai, CA | Very Hard (417 PPM) |
| 93030 | Oxnard, CA | Very Hard (417 PPM) |
| 93033 | Oxnard, CA | Very Hard (418 PPM) |
| 93035 | Oxnard, CA | Very Hard (418 PPM) |
| 93040 | Piru, CA | Very Hard (417 PPM) |
| 93041 | Port Hueneme, CA | Very Hard (417 PPM) |
| 93060 | Santa Paula, CA | Very Hard (417 PPM) |
| 93063 | Santa Susana, CA | Very Hard (417 PPM) |
| 93065 | Simi Valley, CA | Very Hard (417 PPM) |
| 93066 | Somis, CA | Very Hard (417 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.