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THOR WATER WORKS

Iowa — Community Water System — PWSID: IA4680018

System Information

PWSIDIA4680018
System NameTHOR WATER WORKS
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
CityVINCENT
ZIP Code50594
AddressATTN CRAIG LARSON
OrganizationTHOR WATER WORKS
Phone515-356-4151

Population & Service

Population Served181
Service Connections80

Drinking Water Violations (74)

This water system has 74 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, 2015 Dec 31, 2020 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Dec 31, 2020 Radionuclides and Revised Rad Rule
Jan 1, 2015 Dec 31, 2020 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Dec 31, 2020 Radionuclides and Revised Rad Rule
Jan 1, 2015 Dec 31, 2020 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Dec 31, 2020 Radionuclides and Revised Rad Rule
Jan 1, 2015 Dec 31, 2020 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Dec 31, 2020 Radionuclides and Revised Rad Rule
Jul 1, 2006 — Consumer Confidence Rule Other No No — — — Resolved Sep 11, 2008 Consumer Confidence Rule
Jul 1, 2006 — Consumer Confidence Rule Other No No — — — Resolved Sep 11, 2008 Consumer Confidence Rule
Jul 1, 2006 — Consumer Confidence Rule Other No No — — — Resolved Sep 11, 2008 Consumer Confidence Rule
Jul 1, 2006 — Consumer Confidence Rule Other No No — — — Resolved Sep 11, 2008 Consumer Confidence Rule
Jul 1, 2006 — Consumer Confidence Rule Other No No — — — Resolved Sep 11, 2008 Consumer Confidence Rule
Jan 1, 2006 Dec 31, 2006 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2006 Nitrate Rule
Jan 1, 2006 Dec 31, 2006 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2006 Nitrate Rule
Jan 1, 2006 Dec 31, 2006 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2006 Nitrate Rule
Oct 1, 1995 Oct 31, 1995 Xylenes, Total MR No Yes — 10 mg/L — Resolved Oct 31, 1995 Volatile Organic Chemicals
Oct 1, 1995 Oct 31, 1995 Xylenes, Total MR No Yes — 10 mg/L — Resolved Oct 31, 1995 Volatile Organic Chemicals
Oct 1, 1995 Oct 31, 1995 Xylenes, Total MR No Yes — 10 mg/L — Resolved Oct 31, 1995 Volatile Organic Chemicals
Oct 1, 1995 Oct 31, 1995 Xylenes, Total MR No Yes — 10 mg/L — Resolved Oct 31, 1995 Volatile Organic Chemicals
Apr 1, 1995 Mar 31, 1999 Combined Radium (-226 and -228) MCL Yes No 6.9 5 pCi/L — Resolved Mar 31, 1999 Radionuclides and Revised Rad Rule
Apr 1, 1995 Mar 31, 1999 Combined Radium (-226 and -228) MCL Yes No 6.9 5 pCi/L — Resolved Mar 31, 1999 Radionuclides and Revised Rad Rule
Apr 1, 1995 Mar 31, 1999 Combined Radium (-226 and -228) MCL Yes No 6.9 5 pCi/L — Resolved Mar 31, 1999 Radionuclides and Revised Rad Rule
Apr 1, 1995 Mar 31, 1999 Combined Radium (-226 and -228) MCL Yes No 6.9 5 pCi/L — Resolved Mar 31, 1999 Radionuclides and Revised Rad Rule
Apr 1, 1995 Mar 31, 1999 Combined Radium (-226 and -228) MCL Yes No 6.9 5 pCi/L — Resolved Mar 31, 1999 Radionuclides and Revised Rad Rule
Apr 1, 1995 Mar 31, 1999 Combined Radium (-226 and -228) MCL Yes No 6.9 5 pCi/L — Resolved Mar 31, 1999 Radionuclides and Revised Rad Rule
Jul 1, 1994 Jul 31, 1994 Toluene MR No Yes — 1 mg/L — Resolved Jul 31, 1994 Volatile Organic Chemicals
Jul 1, 1994 Jul 31, 1994 Xylenes, Total MR No Yes — 10 mg/L — Resolved Jul 31, 1994 Volatile Organic Chemicals
Jul 1, 1994 Jul 31, 1994 Toluene MR No Yes — 1 mg/L — Resolved Jul 31, 1994 Volatile Organic Chemicals
Jul 1, 1994 Jul 31, 1994 Xylenes, Total MR No Yes — 10 mg/L — Resolved Jul 31, 1994 Volatile Organic Chemicals
Jul 1, 1994 Jul 31, 1994 Toluene MR No Yes — 1 mg/L — Resolved Jul 31, 1994 Volatile Organic Chemicals
Jul 1, 1994 Jul 31, 1994 Xylenes, Total MR No Yes — 10 mg/L — Resolved Jul 31, 1994 Volatile Organic Chemicals
Jul 1, 1994 Jul 31, 1994 Xylenes, Total MR No Yes — 10 mg/L — Resolved Jul 31, 1994 Volatile Organic Chemicals
Jul 1, 1994 Jul 31, 1994 Xylenes, Total MR No Yes — 10 mg/L — Resolved Jul 31, 1994 Volatile Organic Chemicals
Jul 1, 1994 Jul 31, 1994 Xylenes, Total MR No Yes — 10 mg/L — Resolved Jul 31, 1994 Volatile Organic Chemicals
Jul 1, 1994 Jul 31, 1994 Xylenes, Total MR No Yes — 10 mg/L — Resolved Jul 31, 1994 Volatile Organic Chemicals
Jul 1, 1994 Jul 31, 1994 Xylenes, Total MR No Yes — 10 mg/L — Resolved Jul 31, 1994 Volatile Organic Chemicals
Jul 1, 1994 Sep 30, 1994 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 1994 Volatile Organic Chemicals
Jul 1, 1994 Sep 30, 1994 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 1994 Volatile Organic Chemicals
Jul 1, 1994 Sep 30, 1994 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 1994 Volatile Organic Chemicals
Jul 1, 1994 Sep 30, 1994 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 1994 Volatile Organic Chemicals
Jul 1, 1994 Sep 30, 1994 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 1994 Volatile Organic Chemicals
Jul 1, 1994 Sep 30, 1994 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 1994 Volatile Organic Chemicals
Jul 1, 1994 Sep 30, 1994 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 1994 Volatile Organic Chemicals
Jul 1, 1994 Sep 30, 1994 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 1994 Volatile Organic Chemicals
Jul 1, 1994 Jul 31, 1994 Toluene MR No Yes — 1 mg/L — Resolved Jul 31, 1994 Volatile Organic Chemicals
Aug 1, 1991 Aug 31, 1991 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 1991 Total Coliform Rule
Aug 1, 1991 Aug 31, 1991 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 1991 Total Coliform Rule
Aug 1, 1991 Aug 31, 1991 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 1991 Total Coliform Rule
Aug 1, 1991 Aug 31, 1991 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 1991 Total Coliform Rule
Aug 1, 1991 Aug 31, 1991 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 1991 Total Coliform Rule
Oct 1, 1990 — Lead and Copper Rule MR No No — TT — Resolved Nov 6, 1990 Lead and Copper Rule
Oct 1, 1987 Sep 30, 1990 Selenium MR No Yes — 0.05 mg/L — Resolved Sep 30, 1990 Inorganic Chemicals
Oct 1, 1987 Sep 30, 1990 Barium MR No Yes — 2 mg/L — Resolved Sep 30, 1990 Inorganic 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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