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Public water system

Cal-Water Service Co.-Chico

PWSID CA0410002 - Butte County, California

250 PPM
14.6 GPG
Very Hard
0Soft60120180300+
Very Hard (250 PPM)High Confidence - USGS Monitoring

System Details

Water source
groundwater
Population served
114,925
Service connections
30,396
Status
Active

Hardness Evidence

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

Linked City Reports

San Jose, CABangor, CABerry Creek, CABiggs, CACohasset, CAChico, CAClipper Mills, CADurham, CAForbestown, CAButte Meadows, CAGridley, CAMagalia, CAPulga, CAOroville, CAPalermo, CAParadise, CARichardson Sprin, CARichvale, CAStirling City, CA

Served ZIP Codes

ZIPLocationZIP average
95112San Jose, CAHard (188 PPM)
95914Bangor, CAHard (198 PPM)
95916Berry Creek, CAHard (198 PPM)
95917Biggs, CAHard (200 PPM)
95926Cohasset, CAHard (198 PPM)
95928Chico, CAHard (198 PPM)
95930Clipper Mills, CAHard (198 PPM)
95938Durham, CAHard (199 PPM)
95941Forbestown, CAHard (198 PPM)
95942Butte Meadows, CAHard (198 PPM)
95948Gridley, CAHard (199 PPM)
95954Magalia, CAHard (198 PPM)
95965Pulga, CAHard (198 PPM)
95966Oroville, CAHard (198 PPM)
95968Palermo, CAHard (198 PPM)
95969Paradise, CAHard (194 PPM)
95973Richardson Sprin, CAHard (198 PPM)
95974Richvale, CAHard (198 PPM)
95978Stirling City, CAHard (198 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.

MethodologySourcesSearch by ZIP