Vehicle Safety
Recalls Search 320,000+ NHTSA safety recalls Complaints 2.1M+ consumer safety complaints TSBs 4.7M technical service bulletins VIN Lookup Decode any vehicle VIN instantly OBD Codes 12,000+ diagnostic trouble codes Fuel Economy EPA MPG data for all vehicles Safety Ratings 11,700+ NHTSA crash test ratings Investigations 5,300+ NHTSA defect investigations Statistics Recall trends & safety analysis
Consumer Safety
Product Safety 9,700+ CPSC product recalls Food Safety 28,600+ FDA food recalls Pet Safety 1.3M FDA animal adverse events Drug Safety 17,500+ FDA drug recalls Device Safety 38,400+ FDA device recalls Workplace Safety 102,900+ OSHA injury reports Brand History Cross-category recall lookup by company
Infrastructure
Bridge Safety 624,000 bridge inspections Aviation Safety 30,000+ NTSB aviation events Dam Safety 92,600 dam safety records Water Safety 433,000+ public water systems Railroad Safety 438,000+ rail crossings Pipeline Safety 8,800+ pipeline incidents State Safety Dashboards Safety grades for all 50 U.S. states ZIP Safety Report Check any 5-digit ZIP across 9 datasets
Public Health
Nursing Homes 14,700 CMS rated facilities Environmental 80,000+ hazardous sites & releases
Blog

Vehicle Safety

Vehicle Recalls320,000+ NHTSA safety recalls Browse VehiclesEvery make, model and year Complaints2.1M+ consumer safety complaints TSBs4.7M technical service bulletins VIN LookupDecode any vehicle VIN instantly OBD Codes12,000+ diagnostic trouble codes Fuel EconomyEPA MPG data for all vehicles Safety Ratings11,700+ NHTSA crash test ratings Investigations5,300+ NHTSA defect investigations StatisticsRecall trends & safety analysis Compare VehiclesTwo vehicles side by side

Consumer Safety

Product Safety9,700+ CPSC product recalls Food Safety28,600+ FDA food recalls Pet Safety1.3M FDA animal adverse events Drug Safety17,500+ FDA drug recalls Device Safety38,400+ FDA device recalls Workplace Safety102,900+ OSHA injury reports Brand HistoryRecall lookup by company

Infrastructure

Bridge Safety624,000 bridge inspections Aviation Safety30,000+ NTSB aviation events Dam Safety92,600 dam safety records Water Safety433,000+ public water systems Railroad Safety438,000+ rail crossings Pipeline Safety8,800+ pipeline incidents State DashboardsSafety grades for all 50 states ZIP ReportAny 5-digit ZIP across 9 datasets

Public Health

Nursing Homes14,700 CMS rated facilities Environmental80,000+ hazardous sites & releases BlogGuides, news & safety insights

CITY OF RIO VISTA

California — Community Water System — PWSID: CA4810004

System Information

PWSIDCA4810004
System NameCITY OF RIO VISTA
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedMar 22, 1979
Last ReportedMar 20, 2026

Location & Contact

StateCalifornia
CityRIO VISTA
ZIP Code94571-1842
Address1 MAIN ST
OrganizationMALCOLM, GREG
Phone707-374-6451

Population & Service

Population Served10,489
Service Connections5,646

Drinking Water Violations (13)

This water system has 13 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Jul 1, 2000 Jul 31, 2000 MR No No — 0.005 mg/L — Resolved Jul 31, 2000 —
Jul 1, 2000 Jul 31, 2000 MR No No — 0.005 mg/L — Resolved Jul 31, 2000 —
Jan 1, 1995 Jan 31, 1995 MCL Yes No — 5% of samples — Resolved Jan 31, 1995 —
Jan 1, 1995 Jan 31, 1995 MCL Yes No — 5% of samples — Resolved Jan 31, 1995 —
Oct 1, 1994 Oct 31, 1994 MCL Yes No — 5% of samples — Resolved Oct 31, 1994 —
Oct 1, 1994 Oct 31, 1994 MCL Yes No — 5% of samples — Resolved Oct 31, 1994 —
Jun 1, 1994 Jun 30, 1994 MCL Yes No — 5% of samples — Resolved Jun 30, 1994 —
Jun 1, 1994 Jun 30, 1994 MCL Yes No — 5% of samples — Resolved Jun 30, 1994 —
Jun 1, 1994 Jun 30, 1994 MCL Yes No — 5% of samples — Resolved Jun 30, 1994 —
Jul 1, 1993 Mar 1, 2000 MR No No — TT — Resolved Mar 1, 2000 —
Jul 1, 1993 Mar 1, 2000 MR No No — TT — Resolved Mar 1, 2000 —
Jul 29, 1990 Mar 13, 1993 MR No No — 0.010 mg/L — Resolved Mar 13, 1993 —
Jul 29, 1990 Mar 13, 1993 MR No No — 0.010 mg/L — Resolved Mar 13, 1993 —

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

Browse All Water Systems Water Safety Stats Water Safety Home
Browse All Water Systems Water Systems in California