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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

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MID-PENINSULA WATER DISTRICT

California — Community Water System — PWSID: CA4110001

System Information

PWSIDCA4110001
System NameMID-PENINSULA WATER DISTRICT
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedMar 22, 1979
Last ReportedMar 20, 2026

Location & Contact

StateCalifornia
CityBELMONT
ZIP Code94002
AddressP.O. Box 129
OrganizationWUELFING, KAT
Phone650-591-8941

Population & Service

Population Served30,609
Service Connections8,179

Drinking Water Violations (6)

This water system has 6 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
Mar 1, 2015 Mar 31, 2015 TT Yes No — — — Resolved Mar 31, 2015 —
Mar 1, 2015 Mar 31, 2015 TT Yes No — — — Resolved Mar 31, 2015 —
Dec 1, 2002 Dec 31, 2002 MCL Yes No — 5% of samples — Resolved Dec 31, 2002 —
Dec 1, 2002 Dec 31, 2002 MCL Yes No — 5% of samples — Resolved Dec 31, 2002 —
Dec 1, 2001 Dec 31, 2001 MCL Yes No — 5% of samples — Resolved Dec 31, 2001 —
Dec 1, 2001 Dec 31, 2001 MCL Yes No — 5% of samples — Resolved Dec 31, 2001 —

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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