Public water system

Hidden Valley Lake Csd

PWSID CA1710015 - Lake County, California

235 PPM
13.7 GPG
Hard
0Soft60120180300+
Hard (235 PPM)High Confidence - USGS Monitoring

System Details

Water source
groundwater
Population served
6,235
Service connections
2,518
Status
Active

Hardness Evidence

Reported hardness
235 PPM
Grains per gallon
13.7 GPG
Data source
USGS monitoring
Source year
N/A

Linked City Reports

Served ZIP Codes

ZIPLocationZIP average
95422Clearlake, CAModerately Hard (172 PPM)
95423Clearlake Oaks, CAHard (210 PPM)
95426Loch Lomond, CAHard (208 PPM)
95443Glenhaven, CAHard (246 PPM)
95451Kelseyville, CAHard (197 PPM)
95453Lakeport, CAModerately Hard (177 PPM)
95457Lower Lake, CAHard (209 PPM)
95458Lucerne, CAHard (235 PPM)
95461Middletown, CAHard (235 PPM)
95464Nice, CAHard (200 PPM)
95485Upper Lake, CAHard (221 PPM)
95493Witter Springs, CAHard (235 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.