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LONE ROCK WATER SUPPLY

Iowa — Community Water System — PWSID: IA5547094

System Information

PWSIDIA5547094
System NameLONE ROCK WATER SUPPLY
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region07
Serves SchoolNo
WholesalerNo
First ReportedFeb 27, 1979
Last ReportedDec 19, 2025

Location & Contact

StateIowa
CityWHITTEMORE
ZIP Code50598
AddressATTN BRIAN KLEIN
OrganizationLONE ROCK WATER SUPPLY
Phone515-320-1122

Population & Service

Population Served146
Service Connections94

Drinking Water Violations (117)

This water system has 117 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, 2024 Mar 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2024 Revised Total Coliform Rule
Mar 1, 2024 Mar 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2024 Revised Total Coliform Rule
Mar 1, 2024 Mar 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2024 Revised Total Coliform Rule
Mar 1, 2024 Mar 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2024 Revised Total Coliform Rule
Mar 1, 2024 Mar 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2024 Revised Total Coliform Rule
Jun 1, 2019 Jun 30, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2019 Revised Total Coliform Rule
Jun 1, 2019 Jun 30, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2019 Revised Total Coliform Rule
Jun 1, 2019 Jun 30, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2019 Revised Total Coliform Rule
Jun 1, 2019 Jun 30, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2019 Revised Total Coliform Rule
Sep 1, 2017 Sep 30, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2017 Revised Total Coliform Rule
Sep 1, 2017 Sep 30, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2017 Revised Total Coliform Rule
Sep 1, 2017 Sep 30, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2017 Revised Total Coliform Rule
Sep 1, 2017 Sep 30, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2017 Revised Total Coliform Rule
Jul 1, 2005 Jul 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2005 Total Coliform Rule
Jul 1, 2005 Jul 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2005 Total Coliform Rule
Jul 1, 2005 Jul 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2005 Total Coliform Rule
Jul 1, 2005 Jul 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2005 Total Coliform Rule
Jul 1, 2005 Jul 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2005 Total Coliform Rule
Apr 1, 1995 Mar 31, 2000 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 Dinoseb MR No Yes — 0.007 mg/L — Resolved Feb 15, 2000 Synthetic Organic Chemicals
Apr 1, 1995 Mar 31, 2000 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 2,4-D MR No Yes — 0.07 mg/L — Resolved Feb 15, 2000 Synthetic Organic Chemicals
Apr 1, 1995 Mar 31, 2000 2,4-D MR No Yes — 0.07 mg/L — Resolved Feb 15, 2000 Synthetic Organic Chemicals
Apr 1, 1995 Mar 31, 2000 2,4-D MR No Yes — 0.07 mg/L — Resolved Feb 15, 2000 Synthetic Organic Chemicals
Apr 1, 1995 Mar 31, 2000 Styrene MR No Yes — 0.1 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 Styrene MR No Yes — 0.1 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 Styrene MR No Yes — 0.1 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 Toluene MR No Yes — 1 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 Toluene MR No Yes — 1 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 Simazine MR No Yes — 0.004 mg/L — Resolved Feb 15, 2000 Synthetic Organic Chemicals
Apr 1, 1995 Mar 31, 2000 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 Simazine MR No Yes — 0.004 mg/L — Resolved Feb 15, 2000 Synthetic Organic Chemicals
Apr 1, 1995 Mar 31, 2000 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 Dinoseb MR No Yes — 0.007 mg/L — Resolved Feb 15, 2000 Synthetic Organic Chemicals
Apr 1, 1995 Mar 31, 2000 Dinoseb MR No Yes — 0.007 mg/L — Resolved Feb 15, 2000 Synthetic Organic Chemicals
Apr 1, 1995 Mar 31, 2000 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Feb 15, 2000 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 2000 Simazine MR No Yes — 0.004 mg/L — Resolved Feb 15, 2000 Synthetic 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.

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