CORONA, CITY OF

California — Community Water System — PWSID: CA3310037

System Information

PWSIDCA3310037
System NameCORONA, CITY OF
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedMar 22, 1979
Last ReportedNov 17, 2025

Location & Contact

StateCalifornia
CityCORONA
ZIP Code92878
Address755 Public Safety Way
OrganizationJOYCE, STACY
Phone951-736-2265

Population & Service

Population Served168,575
Service Connections44,981

Drinking Water Violations (25)

This water system has 25 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
Apr 1, 2022 Jun 30, 2022 TTHM MR No Yes 0.080 mg/L Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 TTHM MR No Yes 0.080 mg/L Resolved Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2014 Aug 31, 2014 Coliform (TCR) MR No No 5% of samples Resolved Aug 31, 2014 Total Coliform Rule
Aug 1, 2014 Aug 31, 2014 Coliform (TCR) MR No No 5% of samples Resolved Aug 31, 2014 Total Coliform Rule
Jul 1, 2004 Jul 31, 2004 Other No No Resolved Jul 31, 2004 Miscellaneous Other Rules
Jul 1, 2004 Jul 31, 2004 Other No No Resolved Jul 31, 2004 Miscellaneous Other Rules
Nov 1, 2003 Nov 30, 2003 Other No No Resolved Nov 30, 2003 Miscellaneous Other Rules
Nov 1, 2003 Nov 30, 2003 Other No No Resolved Nov 30, 2003 Miscellaneous Other Rules
Jun 1, 2001 Jun 30, 2001 Nitrate MCL Yes No 46 MG/L 10 mg/L 45 Resolved Jun 30, 2001 Nitrate Rule
Jun 1, 2001 Jun 30, 2001 Nitrate MCL Yes No 46 MG/L 10 mg/L 45 Resolved Jun 30, 2001 Nitrate Rule
Oct 1, 1997 Lead and Copper Rule MR No No TT Resolved Jun 30, 2004 Lead and Copper Rule
Oct 1, 1997 Lead and Copper Rule MR No No TT Resolved Jun 30, 2004 Lead and Copper Rule
Jul 1, 1993 Jul 31, 1993 Surface Water Treatment Rule TT Yes No Resolved Jul 31, 1993 Surface Water Treatment Rule
Jul 1, 1993 Jul 31, 1993 Surface Water Treatment Rule TT Yes No Resolved Jul 31, 1993 Surface Water Treatment Rule
Jan 1, 1993 Jan 31, 1993 Nitrate MCL Yes No 51.5 MG/L 10 mg/L 45 Resolved Jan 31, 1993 Nitrate Rule
Jan 1, 1993 Jan 31, 1993 Nitrate MCL Yes No 51.5 MG/L 10 mg/L 45 Resolved Jan 31, 1993 Nitrate Rule
Jan 1, 1993 Jan 31, 1993 Nitrate MCL Yes No 51.5 MG/L 10 mg/L 45 Resolved Jan 31, 1993 Nitrate Rule
Nov 1, 1989 Nov 30, 1989 Other No No Archived Nov 30, 1989 Miscellaneous Other Rules
Jan 1, 1989 Jan 31, 1989 Other No No Archived Jan 31, 1989 Miscellaneous Other Rules
Oct 1, 1980 Dec 31, 1980 Nitrate MCL Yes No 10 mg/L Archived Dec 31, 1980 Nitrate Rule
Mar 30, 1980 Apr 29, 1980 Nitrate MCL Yes No 10 mg/L Archived Apr 29, 1980 Nitrate Rule
Oct 28, 1979 Jan 27, 1980 Other No No Archived Jan 27, 1980 Miscellaneous Other Rules
Oct 28, 1979 Jan 27, 1980 Nitrate MCL Yes No 10 mg/L Archived Jan 27, 1980 Nitrate Rule

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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