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

COUNTY WATER-SYSTEM LEDGER

Riverside, California

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

Systems33active CWS · pop. 2,500+
Population served2,561,667reported total; may overlap
Current violation flag3.0%1 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Riverside

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

Water systemPopulation servedPrimary sourceCurrent export status
Eastern Municipal WdCA3310009666,581Surface water purchasedNo current violation flagged
Riverside, City OfCA3310031298,398Groundwater under influence of surface waterNo current violation flagged
Coachella Vwd: Cove CommunityCA3310001270,000Ground waterNo current violation flagged
Elsinore Valley MwdCA3310012169,455Surface waterNo current violation flagged
Corona, City OfCA3310037168,575Surface water purchasedNo current violation flagged
Rancho California Water DistrictCA3310038146,147Surface water purchasedNo current violation flagged
Jurupa Community SdCA3310021135,093Surface water purchasedNo current violation flagged
Western MwdCA331004986,062Surface water purchasedNo current violation flagged
Indio Water AuthorityCA331002084,757Ground waterNo current violation flagged
Desert Water AgencyCA331000574,807Surface waterNo current violation flagged
Beaumont Cherry Valley WdCA331000266,841Ground waterNo current violation flagged
Lake Hemet MwdCA331002252,913Ground waterNo current violation flagged
Coachella Water AuthorityCA331000743,590Ground waterNo current violation flagged
Mission Springs WdCA331000843,484Ground waterNo current violation flagged
Rubidoux Community SdCA331004436,827Ground waterNo current violation flagged
Hemet, City OfCA331001633,828Surface water purchasedNo current violation flagged
Banning, City OfCA331000631,680Ground waterNo current violation flagged
Norco, City OfCA331002525,068Surface water purchasedNo current violation flagged
Temescal Valley Water DistrictCA331007421,971Surface water purchasedCurrent monitoring/reporting flag
San Jacinto, City OfCA331003218,950Ground waterNo current violation flagged
Western Mwd - Murrieta DivisionCA331003617,453Surface water purchasedNo current violation flagged
South Mesa WcCA331001710,108Ground waterNo current violation flagged
Blythe - City OfCA33100039,798Ground waterNo current violation flagged
Myoma Dunes Mutual Water CompanyCA33100519,445Ground waterNo current violation flagged
Nuevo Water CompanyCA33100266,733Surface water purchasedNo current violation flagged
Santa Ana River Water CompanyCA33100335,848Ground waterNo current violation flagged
Coachella Vwd: I.D. No. 8CA33100484,600Ground waterNo current violation flagged
California Rehabilitation Center - NorcoCA33108004,300Surface water purchasedNo current violation flagged
Chuckawalla Valley State PrisonCA33108024,090Ground waterNo current violation flagged
Farm Mutual W.C. (The)CA33100464,026Surface water purchasedNo current violation flagged
Idyllwild Water DistrictCA33100193,762Ground waterNo current violation flagged
Box Springs Mutual WcCA33100043,382Surface water purchasedNo current violation flagged
Home Gardens County WdCA33100183,095Surface water purchasedNo current violation flagged

02 / SOURCE MIX

Surface water purchased14 systems · 1,322,314 served
Ground water16 systems · 696,693 served
Groundwater under influence of surface water1 systems · 298,398 served
Surface water2 systems · 244,262 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.