WH

Public water system

Brentwood

PWSID CA0710004 - Contra Costa County, California

260 PPM
15.2 GPG
Very Hard
0Soft60120180300+
Very Hard (260 PPM)Estimated - Nearby Data

System Details

Water source
surface water
Population served
64,513
Service connections
21,441
Status
Active

Hardness Evidence

Reported hardness
260 PPM
Grains per gallon
15.2 GPG
Data source
Nearby estimate
Source year
N/A

Linked City Reports

Black Hawk, CAAlamo, CAAntioch, CABethel Island, CABrentwood, CAByron, CAClayton, CAConcord, CAPleasant Hill, CACrockett, CADanville, CAEl Cerrito, CAHercules, CALafayette, CAPacheco, CAMoraga, CAOakley, CAOrinda, CAPinole, CAShore Acres, CAPort Costa, CARodeo, CASan Ramon, CAWalnut Creek, CARichmond, CAEl Sobrante, CASan Pablo, CA

Served ZIP Codes

ZIPLocationZIP average
94506Black Hawk, CASlightly Hard (105 PPM)
94507Alamo, CASlightly Hard (105 PPM)
94509Antioch, CASlightly Hard (105 PPM)
94511Bethel Island, CASlightly Hard (105 PPM)
94513Brentwood, CASlightly Hard (105 PPM)
94514Byron, CASlightly Hard (105 PPM)
94517Clayton, CASlightly Hard (105 PPM)
94518Concord, CASlightly Hard (105 PPM)
94519Concord, CASlightly Hard (105 PPM)
94520Concord, CASlightly Hard (105 PPM)
94521Concord, CASlightly Hard (105 PPM)
94523Pleasant Hill, CASlightly Hard (105 PPM)
94525Crockett, CASlightly Hard (105 PPM)
94526Danville, CASlightly Hard (105 PPM)
94530El Cerrito, CASlightly Hard (105 PPM)
94547Hercules, CASlightly Hard (105 PPM)
94549Lafayette, CASlightly Hard (105 PPM)
94553Pacheco, CASlightly Hard (105 PPM)
94556Moraga, CASlightly Hard (105 PPM)
94561Oakley, CASlightly Hard (105 PPM)
94563Orinda, CASlightly Hard (105 PPM)
94564Pinole, CASlightly Hard (105 PPM)
94565Shore Acres, CASlightly Hard (105 PPM)
94569Port Costa, CASlightly Hard (105 PPM)
94572Rodeo, CASlightly Hard (105 PPM)
94583San Ramon, CASlightly Hard (105 PPM)
94595Walnut Creek, CASlightly Hard (105 PPM)
94596Walnut Creek, CASlightly Hard (105 PPM)
94598Walnut Creek, CASlightly Hard (105 PPM)
94801Richmond, CASlightly Hard (105 PPM)
94803El Sobrante, CASlightly Hard (105 PPM)
94804Richmond, CASlightly Hard (105 PPM)
94805Richmond, CASlightly Hard (105 PPM)
94806San Pablo, CASlightly Hard (105 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