EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records

COUNTY WATER-SYSTEM LEDGER

Humboldt, California

Compare active community water systems serving this county in EPA's public export. Systems can serve multiple places, so population totals may overlap.

Systems6active CWS · pop. 2,500+
Population served100,093reported total; may overlap
Current violation flag0.0%0 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Humboldt

Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.

Water systemPopulation servedPrimary sourceCurrent export status
Eureka, City OfCA121000427,078Ground water purchasedNo current violation flagged
Arcata, City OfCA121000120,875Ground water purchasedNo current violation flagged
Humboldt C.S.D.CA121000919,807Ground waterNo current violation flagged
Mckinleyville C.S.D.CA121001616,900Ground water purchasedNo current violation flagged
Fortuna, City OfCA121000612,133Ground waterNo current violation flagged
Rio Dell, City OfCA12100123,300Surface waterNo current violation flagged

02 / SOURCE MIX

Ground water purchased3 systems · 64,853 served
Ground water2 systems · 31,940 served
Surface water1 systems · 3,300 served
How to read the population total

It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.