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GREENFIELD MUNICIPAL UTILITIES

Iowa — Community Water System — PWSID: IA0140007

System Information

PWSIDIA0140007
System NameGREENFIELD MUNICIPAL UTILITIES
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region07
Serves SchoolNo
WholesalerNo
First ReportedFeb 27, 1979
Last ReportedDec 19, 2025

Location & Contact

StateIowa
CityGREENFIELD
ZIP Code50849
AddressATTN PLANT FOREMAN
OrganizationGREENFIELD MUNICIPAL UTILITIES
Phone641-743-6642

Population & Service

Population Served2,227
Service Connections1,058

Drinking Water Violations (37)

This water system has 37 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
Aug 1, 2020 Aug 31, 2020 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Aug 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2020 Aug 31, 2020 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Aug 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2020 Aug 31, 2020 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Aug 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2020 Aug 31, 2020 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Aug 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2020 Aug 31, 2020 TTHM MR No No — 0.080 mg/L — Resolved Aug 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2020 Aug 31, 2020 TTHM MR No No — 0.080 mg/L — Resolved Aug 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2020 Aug 31, 2020 TTHM MR No No — 0.080 mg/L — Resolved Aug 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2020 Aug 31, 2020 TTHM MR No No — 0.080 mg/L — Resolved Aug 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2017 Jul 31, 2017 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2017 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2017 Jul 31, 2017 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2017 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2017 Jul 31, 2017 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2017 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2017 Jul 31, 2017 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2017 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2017 Jul 31, 2017 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2017 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2017 Jul 31, 2017 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2017 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2012 Jun 30, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2012 Jun 30, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2012 Jun 30, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2012 Jun 30, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2012 Jun 30, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2012 Jun 30, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2012 Jun 30, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2012 Jun 30, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2008 Aug 31, 2008 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2008 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2008 Aug 31, 2008 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2008 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2008 Aug 31, 2008 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2008 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2008 Aug 31, 2008 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2008 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2005 Jun 30, 2005 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jun 30, 2005 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2005 Jun 30, 2005 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jun 30, 2005 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2005 Jun 30, 2005 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jun 30, 2005 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2005 Jun 30, 2005 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jun 30, 2005 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2004 Jul 31, 2004 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2004 Surface Water Treatment Rule
Jul 1, 2004 Jul 31, 2004 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2004 Surface Water Treatment Rule
Jul 1, 2004 Jul 31, 2004 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2004 Surface Water Treatment Rule
Jul 1, 2004 Jul 31, 2004 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2004 Surface Water Treatment Rule
— — — 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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