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DES MOINES WATER WORKS

Iowa — Community Water System — PWSID: IA7727031

System Information

PWSIDIA7727031
System NameDES MOINES WATER WORKS
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region07
Serves SchoolNo
WholesalerNo
First ReportedFeb 27, 1979
Last ReportedDec 19, 2025

Location & Contact

StateIowa
CityDES MOINES
ZIP Code50321
AddressATTN JENNY PUFFER
OrganizationDES MOINES WATER WORKS
Phone515-283-8751

Population & Service

Population Served246,055
Service Connections94,000

Drinking Water Violations (50)

This water system has 50 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
Nov 1, 2018 Nov 30, 2018 Long Term 2 Enhanced Surface Water Treatment Rule MR No No — — — Archived Nov 30, 2018 Long Term 2 Enhanced Surface Water Treatment Rule
May 1, 2017 May 31, 2017 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 2017 Surface Water Treatment Rule
May 1, 2017 May 31, 2017 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 2017 Surface Water Treatment Rule
May 1, 2017 May 31, 2017 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 2017 Surface Water Treatment Rule
May 1, 2017 May 31, 2017 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 2017 Surface Water Treatment Rule
Oct 1, 2014 Dec 31, 2014 TTHM MCL Yes No .088 MG/L 0.080 mg/L — Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 TTHM MCL Yes No .088 MG/L 0.080 mg/L — Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 TTHM MCL Yes No .088 MG/L 0.080 mg/L — Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 TTHM MCL Yes No .088 MG/L 0.080 mg/L — Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 TTHM MCL Yes No .091 MG/L 0.080 mg/L — Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 TTHM MCL Yes No .091 MG/L 0.080 mg/L — Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 TTHM MCL Yes No .091 MG/L 0.080 mg/L — Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 TTHM MCL Yes No .091 MG/L 0.080 mg/L — Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jun 30, 2014 TTHM MCL Yes No .081 MG/L 0.080 mg/L — Resolved Jun 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jun 30, 2014 TTHM MCL Yes No .081 MG/L 0.080 mg/L — Resolved Jun 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jun 30, 2014 TTHM MCL Yes No .081 MG/L 0.080 mg/L — Resolved Jun 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jun 30, 2014 TTHM MCL Yes No .081 MG/L 0.080 mg/L — Resolved Jun 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Mar 31, 2014 TTHM MCL Yes No .09 MG/L 0.080 mg/L — Resolved Mar 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Mar 31, 2014 TTHM MCL Yes No .09 MG/L 0.080 mg/L — Resolved Mar 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Mar 31, 2014 TTHM MCL Yes No .09 MG/L 0.080 mg/L — Resolved Mar 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Mar 31, 2014 TTHM MCL Yes No .09 MG/L 0.080 mg/L — Resolved Mar 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2013 Dec 31, 2013 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Dec 31, 2013 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Dec 1, 2013 Dec 31, 2013 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Dec 31, 2013 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2009 Sep 30, 2018 CYANIDE MR No Yes — 0.2 mg/L — Archived Sep 30, 2018 Inorganic Chemicals
Oct 1, 2009 Sep 30, 2018 CYANIDE MR No Yes — 0.2 mg/L — Archived Sep 30, 2018 Inorganic Chemicals
Oct 1, 2009 Sep 30, 2018 CYANIDE MR No Yes — 0.2 mg/L — Archived Sep 30, 2018 Inorganic Chemicals
Oct 1, 1989 Dec 31, 1989 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1989 Nitrate Rule
Oct 1, 1989 Dec 31, 1989 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1989 Nitrate Rule
Jul 1, 1989 Sep 30, 1989 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 1989 Nitrate Rule
Jul 1, 1989 Sep 30, 1989 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 1989 Nitrate Rule
Oct 1, 1983 Nov 30, 1983 Nitrate MCL Yes No 10.44 10 mg/L 10 Archived Nov 30, 1983 Nitrate Rule
Jun 25, 1982 Jun 24, 1983 Chromium MR No Yes — 0.1 mg/L — Archived Jun 24, 1983 Inorganic Chemicals
Jun 25, 1982 Jun 24, 1983 Selenium MR No Yes — 0.05 mg/L — Archived Jun 24, 1983 Inorganic Chemicals
Jun 25, 1982 Jun 24, 1983 Barium MR No Yes — 2 mg/L — Archived Jun 24, 1983 Inorganic Chemicals
Jun 25, 1982 Jun 24, 1983 Cadmium MR No Yes — 0.005 mg/L — Archived Jun 24, 1983 Inorganic Chemicals
Jun 25, 1982 Jun 24, 1983 Nitrate MR No Yes — 10 mg/L — Archived Jun 24, 1983 Nitrate Rule
Jun 25, 1982 Jun 24, 1983 Arsenic MR No Yes — 0.010 mg/L — Archived Jun 24, 1983 Arsenic Rule
Jun 25, 1982 Jun 24, 1983 Fluoride MR No Yes — 4.0 mg/L — Archived Jun 24, 1983 Inorganic Chemicals
Jun 25, 1982 Jun 24, 1983 Mercury MR No Yes — 0.002 mg/L — Archived Jun 24, 1983 Inorganic Chemicals
Oct 1, 1979 Sep 30, 1983 38-STRONTIUM-90 MR No Yes — — — Archived Sep 30, 1983 Radionuclides and Revised Rad Rule
Oct 1, 1979 Sep 30, 1983 Gross Beta Particle Activity MR No Yes — 4 mrem/yr — Archived Sep 30, 1983 Radionuclides and Revised Rad Rule
Oct 1, 1979 Sep 30, 1983 Tritium MR No Yes — — — Archived Sep 30, 1983 Radionuclides and Revised Rad Rule
Oct 1, 1979 Sep 30, 1983 38-STRONTIUM-90 MR No Yes — — — Archived Sep 30, 1983 Radionuclides and Revised Rad Rule
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —

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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