Public water system

Humboldt C.S.D.

PWSID CA1210009 - Humboldt County, California

118 PPM
6.9 GPG
Slightly Hard
0Soft60120180300+
Slightly Hard (118 PPM)Estimated - County Avg

System Details

Water source
groundwater
Population served
19,807
Service connections
7,990
Status
Active

Hardness Evidence

Reported hardness
118 PPM
Grains per gallon
6.9 GPG
Data source
County average estimate
Source year
N/A

Linked City Reports

Served ZIP Codes

ZIPLocationZIP average
95501Eureka, CAModerately Hard (143 PPM)
95503Eureka, CAModerately Hard (143 PPM)
95511Alderpoint, CAModerately Hard (143 PPM)
95514Blocksburg, CAModerately Hard (143 PPM)
95519Mc Kinleyville, CAModerately Hard (143 PPM)
95521Mc Kinleyville, CAModerately Hard (142 PPM)
95524Bayside, CAModerately Hard (143 PPM)
95525Blue Lake, CAModerately Hard (143 PPM)
95526Ruth, CAModerately Hard (143 PPM)
95528Carlotta, CAModerately Hard (143 PPM)
95536Ferndale, CAModerately Hard (143 PPM)
95537Fields Landing, CAModerately Hard (143 PPM)
95540Fortuna, CAModerately Hard (143 PPM)
95542Garberville, CAModerately Hard (142 PPM)
95545Honeydew, CAModerately Hard (143 PPM)
95546Hoopa, CAModerately Hard (143 PPM)
95547Hydesville, CAModerately Hard (143 PPM)
95549Kneeland, CAModerately Hard (143 PPM)
95550Korbel, CAModerately Hard (143 PPM)
95551Loleta, CAModerately Hard (143 PPM)
95553Miranda, CAModerately Hard (143 PPM)
95554Myers Flat, CAModerately Hard (143 PPM)
95555Orick, CAModerately Hard (142 PPM)
95556Orleans, CAModerately Hard (142 PPM)
95558Petrolia, CAModerately Hard (143 PPM)
95559Phillipsville, CAModerately Hard (143 PPM)
95560Redway, CAModerately Hard (142 PPM)
95562Rio Dell, CAModerately Hard (142 PPM)
95564Samoa, CAModerately Hard (143 PPM)
95565Scotia, CAModerately Hard (143 PPM)
95569Redcrest, CAModerately Hard (143 PPM)
95570Westhaven, CAModerately Hard (143 PPM)
95571Weott, CAModerately Hard (143 PPM)
95573Willow Creek, CAModerately Hard (143 PPM)
95589Whitethorn, CAModerately Hard (142 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.