SAN GABRIEL VALLEY WATER CO.-EL MONTE

California — Community Water System — PWSID: CA1910039

System Information

PWSIDCA1910039
System NameSAN GABRIEL VALLEY WATER CO.-EL MONTE
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region09
Serves SchoolNo
WholesalerYes
First ReportedMar 22, 1979
Last ReportedNov 17, 2025

Location & Contact

StateCalifornia
CityEL MONTE
ZIP Code91734-2010
AddressP.O.BOX 6010
OrganizationNGUYEN, HAI-VAN
Phone626-448-6183

Population & Service

Population Served248,000
Service Connections46,952

Drinking Water Violations (9)

This water system has 9 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
Jun 1, 2019 Jun 30, 2019 Groundwater Rule TT Yes No Resolved Jun 30, 2019 Ground Water Rule
Jun 1, 2019 Jun 30, 2019 Groundwater Rule TT Yes No Resolved Jun 30, 2019 Ground Water Rule
Sep 1, 2018 Sep 30, 2018 Groundwater Rule TT Yes No Resolved Sep 30, 2018 Ground Water Rule
Sep 1, 2018 Sep 30, 2018 Groundwater Rule TT Yes No Resolved Sep 30, 2018 Ground Water Rule
Dec 1, 1995 Dec 31, 1995 Coliform (TCR) MCL Yes No 5% of samples Resolved Dec 20, 1995 Total Coliform Rule
Dec 1, 1995 Dec 31, 1995 Coliform (TCR) MCL Yes No 5% of samples Resolved Dec 20, 1995 Total Coliform Rule
Aug 1, 1987 Aug 31, 1987 Other No No Archived Aug 31, 1987 Miscellaneous Other Rules
No No
No No

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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