Vehicle Safety
Recalls Search 320,000+ NHTSA safety recalls Complaints 2.1M+ consumer safety complaints TSBs 4.7M technical service bulletins VIN Lookup Decode any vehicle VIN instantly OBD Codes 12,000+ diagnostic trouble codes Fuel Economy EPA MPG data for all vehicles Statistics Recall trends & safety analysis
Consumer Safety
Product Safety 9,700+ CPSC product recalls Food Safety 28,600+ FDA food recalls Pet Safety 1.3M FDA animal adverse events Drug Safety 17,500+ FDA drug recalls Device Safety 38,400+ FDA device recalls Workplace Safety 102,900+ OSHA injury reports
Infrastructure
Bridge Safety 624,000 bridge inspections Aviation Safety 30,000+ NTSB aviation events Dam Safety 92,600 dam safety records Water Safety 433,000+ public water systems Railroad Safety 438,000+ rail crossings Pipeline Safety 8,800+ pipeline incidents
Public Health
Nursing Homes 14,700 CMS rated facilities Environmental 80,000+ hazardous sites & releases

ROHNERT PARK, CITY OF

California — Community Water System — PWSID: CA4910014

System Information

PWSIDCA4910014
System NameROHNERT PARK, CITY OF
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedMar 22, 1979
Last ReportedNov 17, 2025

Location & Contact

StateCalifornia
CityROHNERT PARK
ZIP Code94928
Address600 Enterprise Drive
OrganizationHENDERSEN, MARK
Phone707-588-3316

Population & Service

Population Served43,821
Service Connections10,427

Drinking Water Violations (553)

This water system has 553 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
Jul 1, 2021 Jul 31, 2021 Revised Total Coliform Rule MON No No — — — Resolved Jul 31, 2021 Revised Total Coliform Rule
Jul 1, 2021 Jul 31, 2021 Revised Total Coliform Rule MON No No — — — Resolved Jul 31, 2021 Revised Total Coliform Rule
Apr 1, 2021 Jun 30, 2021 Arsenic MR No Yes — 0.010 mg/L — Resolved Jun 30, 2021 Arsenic Rule
Apr 1, 2021 Jun 30, 2021 Arsenic MR No Yes — 0.010 mg/L — Resolved Jun 30, 2021 Arsenic Rule
Jan 1, 2017 Dec 31, 2017 cis-1,2-Dichloroethylene MR No No — 0.07 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 Styrene MR No No — 0.1 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 DICHLOROMETHANE MR No No — 0.005 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 DICHLOROMETHANE MR No No — 0.005 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 o-Dichlorobenzene MR No No — 0.6 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 o-Dichlorobenzene MR No No — 0.6 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 p-Dichlorobenzene MR No No — 0.075 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 Vinyl chloride MR No No — 0.002 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 Vinyl chloride MR No No — 0.002 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 trans-1,2-Dichloroethylene MR No No — 0.1 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 trans-1,2-Dichloroethylene MR No No — 0.1 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 1,2-Dichloroethane MR No No — 0.005 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 1,1,1-Trichloroethane MR No No — 0.2 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 1,1,1-Trichloroethane MR No No — 0.2 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 Carbon tetrachloride MR No No — 0.005 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 Carbon tetrachloride MR No No — 0.005 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 Benzene MR No No — 0.005 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 Benzene MR No No — 0.005 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 Toluene MR No No — 1 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 Toluene MR No No — 1 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 Ethylbenzene MR No No — 0.7 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 Ethylbenzene MR No No — 0.7 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 1,2-Dichloropropane MR No No — 0.005 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 p-Dichlorobenzene MR No No — 0.075 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 p-Dichlorobenzene MR No No — 0.075 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 Vinyl chloride MR No No — 0.002 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 Vinyl chloride MR No No — 0.002 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 1,1-Dichloroethylene MR No No — 0.007 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 1,1-Dichloroethylene MR No No — 0.007 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 trans-1,2-Dichloroethylene MR No No — 0.1 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 trans-1,2-Dichloroethylene MR No No — 0.1 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 1,2-Dichloroethane MR No No — 0.005 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 1,2-Dichloroethane MR No No — 0.005 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 1,1,1-Trichloroethane MR No No — 0.2 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 1,1,1-Trichloroethane MR No No — 0.2 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 cis-1,2-Dichloroethylene MR No No — 0.07 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 1,2-Dichloropropane MR No No — 0.005 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 1,1,2-Trichloroethane MR No No — 0.005 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 1,1,2-Trichloroethane MR No No — 0.005 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 Ethylbenzene MR No No — 0.7 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 Tetrachloroethylene MR No No — 0.005 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 Benzene MR No No — 0.005 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 Benzene MR No No — 0.005 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 Toluene MR No No — 1 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 Toluene MR No No — 1 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Dec 31, 2017 1,2,4-Trichlorobenzene MR No No — 0.07 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals

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.

Browse All Water Systems Water Safety Stats Water Safety Home
Browse All Water Systems Water Systems in California