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

COUNTY WATER-SYSTEM LEDGER

Solano, California

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

Systems11active CWS · pop. 2,500+
Population served457,346reported total; may overlap
Current violation flag18.2%2 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Solano

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

Water systemPopulation servedPrimary sourceCurrent export status
City Of VallejoCA4810007121,420Surface waterNo current violation flagged
City Of FairfieldCA4810003120,377Surface waterCurrent health-based flag
City Of VacavilleCA481000899,650Surface waterNo current violation flagged
Suisun-Solano Water AuthorityCA481000529,105Surface waterCurrent health-based flag
City Of BeniciaCA481000127,131Surface waterNo current violation flagged
California Water Service Co.-Travis AfbCA481070118,111Surface water purchasedNo current violation flagged
City Of DixonCA481000912,540Ground waterNo current violation flagged
California Water Service Co. - DixonCA481000210,623Ground waterNo current violation flagged
City Of Rio VistaCA481000410,489Ground waterNo current violation flagged
California State Prison - SolanoCA48108005,100Surface waterNo current violation flagged
City Of Vallejo-Lakes SystemCA48100212,800Surface waterNo current violation flagged

02 / SOURCE MIX

Surface water7 systems · 405,583 served
Ground water3 systems · 33,652 served
Surface water purchased1 systems · 18,111 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.