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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

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WEST VALLEY WATER DISTRICT

California - Community Water System - PWSID: CA3610004

System Information

PWSIDCA3610004
System NameWEST VALLEY WATER DISTRICT
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedMar 22, 1979
Last ReportedMar 20, 2026

Location & Contact

StateCalifornia
CityRIALTO
ZIP Code92377
Address855 W. BASELINE RD
OrganizationTHIEL, JOHN
Phone909-875-3706

Population & Service

Population Served104,498
Service Connections23,436

Drinking Water Violations (19)

This water system has 19 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
Jan 1, 2013 Dec 31, 2013 MR No Yes - 10 mg/L - Resolved Dec 31, 2013 -
Jan 1, 2013 Dec 31, 2013 MR No Yes - 10 mg/L - Resolved Dec 31, 2013 -
Oct 1, 2012 - MR No No - TT - Resolved Mar 1, 2018 -
Oct 1, 2012 - MR No No - TT - Resolved Mar 1, 2018 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 10 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 10 mg/L - Resolved Dec 31, 2012 -
Jun 1, 1987 Jun 30, 1987 MCL Yes No - 10 mg/L - Archived Jun 30, 1987 -
Jun 1, 1987 Jun 30, 1987 MCL Yes No - 10 mg/L - Archived Jun 30, 1987 -
Jun 1, 1987 Jun 30, 1987 MCL Yes No - 10 mg/L - Archived Jun 30, 1987 -
Jun 1, 1987 Jun 30, 1987 MCL Yes No - 10 mg/L - Archived Jun 30, 1987 -
May 1, 1987 May 31, 1987 MCL Yes No - 10 mg/L - Archived May 31, 1987 -
May 1, 1987 May 31, 1987 MCL Yes No - 10 mg/L - Archived May 31, 1987 -
May 1, 1987 May 31, 1987 MCL Yes No - 10 mg/L - Archived May 31, 1987 -
May 1, 1987 May 31, 1987 MCL Yes No - 10 mg/L - Archived May 31, 1987 -
Apr 1, 1987 Apr 30, 1987 MCL Yes No - 10 mg/L - Archived Apr 30, 1987 -
Apr 1, 1987 Apr 30, 1987 MCL Yes No - 10 mg/L - Archived Apr 30, 1987 -
Apr 1, 1987 Apr 30, 1987 MCL Yes No - 10 mg/L - Archived Apr 30, 1987 -
Apr 1, 1987 Apr 30, 1987 MCL Yes No - 10 mg/L - Archived Apr 30, 1987 -
Mar 1, 1987 Mar 31, 1987 MCL Yes No - 10 mg/L - Archived Mar 31, 1987 -

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.

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