BLOCK 77 WATER COMPANY

California - Community Water System - PWSID: CA3301877

System Information

PWSIDCA3301877
System NameBLOCK 77 WATER COMPANY
System TypeCommunity Water System
Water SourceGround Water
Activity StatusNon-Inventory
Owner TypePrivate
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedNov 30, 1981
Last ReportedMar 20, 2026

Location & Contact

StateCalifornia
CityNORCO
ZIP Code92860
Address4988 Bluff St.
OrganizationROBERTS, MARY
Phone951-279-7649

Population & Service

Population Served59
Service Connections18

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
Jan 1, 2021 Mar 31, 2021 MCL Yes No 10.9 UG/L 0.010 mg/L 10 Archived Mar 31, 2021 -
Oct 1, 2019 - MR No No - TT - Resolved Feb 25, 2020 -
Oct 1, 2019 - MR No No - TT - Resolved Feb 25, 2020 -
Jul 1, 2005 - Other No No - - - Resolved Nov 9, 2004 -
Jul 1, 2005 - Other No No - - - Resolved Nov 9, 2004 -
Jul 1, 2005 - Other No No - - - Resolved Nov 9, 2004 -
Jul 1, 2004 - Other No No - - - Resolved Nov 9, 2004 -
Jul 1, 2004 - Other No No - - - Resolved Nov 9, 2004 -
Jul 1, 2004 - Other No No - - - Resolved Nov 9, 2004 -
Sep 1, 1983 Sep 30, 1983 Other No No - - - Archived Sep 30, 1983 -
Aug 1, 1983 Aug 31, 1983 Other No No - - - Archived Aug 31, 1983 -
Jul 1, 1983 Jul 31, 1983 Other No No - - - Archived Jul 31, 1983 -
- - - 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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