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Public water system

Goleta Water District

PWSID CA4210004 - Santa Barbara County, California

380 PPM
22.2 GPG
Very Hard
0Soft60120180300+
Very Hard (380 PPM)Verified - State Lab Tested

System Details

Water source
surface water
Population served
84,462
Service connections
16,433
Status
Active

Hardness Evidence

Reported hardness
380 PPM
Grains per gallon
22.2 GPG
Data source
California treated-water report
Source year
2025
Raw/source estimate
586 PPM

Linked City Reports

Carpinteria, CASummerland, CASanta Barbara, CAMontecito, CAGoleta, CANew Cuyama, CABuellton, CACasmalia, CAGuadalupe, CALompoc, CALos Alamos, CALos Olivos, CASanta Maria, CAOrcutt, CANipomo, CASanta Ynez, CABallard, CA

Served ZIP Codes

ZIPLocationZIP average
93013Carpinteria, CAVery Hard (290 PPM)
93067Summerland, CAVery Hard (290 PPM)
93101Santa Barbara, CAVery Hard (290 PPM)
93103Santa Barbara, CAVery Hard (290 PPM)
93105Santa Barbara, CAVery Hard (290 PPM)
93108Montecito, CAVery Hard (290 PPM)
93109Santa Barbara, CAVery Hard (290 PPM)
93110Santa Barbara, CAVery Hard (294 PPM)
93111Santa Barbara, CAVery Hard (290 PPM)
93117Goleta, CAVery Hard (291 PPM)
93254New Cuyama, CAVery Hard (290 PPM)
93427Buellton, CAVery Hard (288 PPM)
93429Casmalia, CAVery Hard (290 PPM)
93434Guadalupe, CAVery Hard (299 PPM)
93436Lompoc, CAVery Hard (298 PPM)
93437Lompoc, CAVery Hard (290 PPM)
93440Los Alamos, CAVery Hard (290 PPM)
93441Los Olivos, CAVery Hard (290 PPM)
93454Santa Maria, CAVery Hard (290 PPM)
93455Orcutt, CAVery Hard (290 PPM)
93458Nipomo, CAVery Hard (290 PPM)
93460Santa Ynez, CAVery Hard (295 PPM)
93463Ballard, CAVery Hard (293 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