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RYAN WATER SUPPLY

Iowa — Community Water System — PWSID: IA2864013

System Information

PWSIDIA2864013
System NameRYAN 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
CityRYAN
ZIP Code52330
AddressATTN SHAWN KEHRLI WATER SUPERINTENDENT
OrganizationRYAN WATER SUPPLY
Phone563-932-2051

Population & Service

Population Served350
Service Connections160

Drinking Water Violations (125)

This water system has 125 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, 2025 — Consumer Confidence Rule Other No No — — — Resolved Sep 30, 2025 Consumer Confidence Rule
Jul 1, 2025 — Consumer Confidence Rule Other No No — — — Resolved Sep 30, 2025 Consumer Confidence Rule
Nov 1, 2019 Nov 30, 2019 Nitrite MR No Yes — 1 mg/L — Resolved Nov 30, 2019 Nitrate Rule
Nov 1, 2019 Nov 30, 2019 Nitrite MR No Yes — 1 mg/L — Resolved Nov 30, 2019 Nitrate Rule
Nov 1, 2019 Nov 30, 2019 Nitrite MR No Yes — 1 mg/L — Resolved Nov 30, 2019 Nitrate Rule
Nov 1, 2019 Nov 30, 2019 Nitrite MR No Yes — 1 mg/L — Resolved Nov 30, 2019 Nitrate Rule
Dec 1, 2018 Dec 31, 2018 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2018 Nitrate Rule
Dec 1, 2018 Dec 31, 2018 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2018 Nitrate Rule
Dec 1, 2018 Dec 31, 2018 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2018 Nitrate Rule
Dec 1, 2018 Dec 31, 2018 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2018 Nitrate Rule
Jan 1, 2018 Dec 31, 2018 Nitrite MCL Yes No 2.1 MG/L 1 mg/L — Resolved Dec 31, 2018 Nitrate Rule
Jan 1, 2018 Dec 31, 2018 Nitrite MCL Yes No 2.1 MG/L 1 mg/L — Resolved Dec 31, 2018 Nitrate Rule
Jan 1, 2018 Dec 31, 2018 Nitrite MCL Yes No 2.1 MG/L 1 mg/L — Resolved Dec 31, 2018 Nitrate Rule
Jan 1, 2018 Dec 31, 2018 Nitrite MCL Yes No 2.1 MG/L 1 mg/L — Resolved Dec 31, 2018 Nitrate Rule
Jan 1, 2018 Dec 31, 2018 Nitrite MCL Yes No 2.1 MG/L 1 mg/L — Resolved Dec 31, 2018 Nitrate Rule
Dec 1, 2017 — Lead and Copper Rule MR No No — TT — Resolved Mar 26, 2018 Lead and Copper Rule
Dec 1, 2017 — Lead and Copper Rule MR No No — TT — Resolved Mar 26, 2018 Lead and Copper Rule
Oct 1, 2017 Sep 30, 2018 Nitrite MR No Yes — 1 mg/L — Resolved Sep 30, 2018 Nitrate Rule
Oct 1, 2017 Sep 30, 2018 Nitrite MR No Yes — 1 mg/L — Resolved Sep 30, 2018 Nitrate Rule
Oct 1, 2017 Sep 30, 2018 Nitrite MR No Yes — 1 mg/L — Resolved Sep 30, 2018 Nitrate Rule
Oct 1, 2017 Sep 30, 2018 Nitrite MR No Yes — 1 mg/L — Resolved Sep 30, 2018 Nitrate Rule
Jul 1, 2017 Jul 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2017 Revised Total Coliform Rule
Jul 1, 2017 Jul 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2017 Revised Total Coliform Rule
Jul 1, 2017 Jul 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2017 Revised Total Coliform Rule
Jul 1, 2017 Jul 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2017 Revised Total Coliform Rule
Jul 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Sep 8, 2017 Consumer Confidence Rule
Jul 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Sep 8, 2017 Consumer Confidence Rule
Jul 1, 2010 Aug 31, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2010 Aug 31, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2010 Aug 31, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2010 Aug 31, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2010 Aug 31, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2010 Aug 31, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2010 Aug 31, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2010 Aug 31, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2006 Aug 31, 2008 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2006 Aug 31, 2008 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2006 Aug 31, 2008 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2006 Aug 31, 2008 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2005 Jun 30, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2005 Jun 30, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Mar 31, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Mar 31, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Mar 31, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2002 Dec 31, 2002 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2002 Arsenic Rule
Jan 1, 2002 Dec 31, 2002 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2002 Arsenic Rule
Jan 1, 2002 Dec 31, 2002 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2002 Arsenic Rule
Jan 1, 2002 Dec 31, 2002 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2002 Arsenic Rule
Jan 1, 2002 Dec 31, 2002 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2002 Arsenic Rule
Jan 1, 2002 Dec 31, 2002 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2002 Arsenic 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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