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GRIMES WATER SUPPLY

Iowa — Community Water System — PWSID: IA7736011

System Information

PWSIDIA7736011
System NameGRIMES 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
CityGRIMES
ZIP Code50111
AddressATTN WATER SUPT
OrganizationGRIMES WATER SUPPLY
Phone515-986-3176

Population & Service

Population Served15,392
Service Connections4,090

Drinking Water Violations (35)

This water system has 35 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, 2021 Mar 31, 2021 Nitrite MR No Yes — 1 mg/L — Resolved Mar 31, 2021 Nitrate Rule
Jan 1, 2021 Mar 31, 2021 Nitrite MR No Yes — 1 mg/L — Resolved Mar 31, 2021 Nitrate Rule
Jan 1, 2021 Mar 31, 2021 Nitrite MR No Yes — 1 mg/L — Resolved Mar 31, 2021 Nitrate Rule
Jan 1, 2021 Mar 31, 2021 Nitrite MR No Yes — 1 mg/L — Resolved Mar 31, 2021 Nitrate Rule
Oct 1, 2011 Oct 31, 2011 Other No No — — — Resolved Oct 31, 2011 Miscellaneous Other Rules
Oct 1, 2011 Oct 31, 2011 Other No No — — — Resolved Oct 31, 2011 Miscellaneous Other Rules
Aug 1, 2011 Aug 31, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2011 Total Coliform Rule
Aug 1, 2011 Aug 31, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2011 Total Coliform Rule
Aug 1, 2011 Aug 31, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2011 Total Coliform Rule
Aug 1, 2011 Aug 31, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2011 Total Coliform Rule
Aug 1, 2011 Aug 31, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2011 Total Coliform Rule
Aug 1, 2011 Aug 31, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2011 Total Coliform Rule
Aug 1, 2011 Aug 31, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2011 Total Coliform Rule
Aug 1, 2011 Aug 31, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2011 Total Coliform Rule
Aug 1, 2011 Aug 31, 2011 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2011 Total Coliform Rule
Oct 1, 1997 Sep 30, 1998 Nitrate MR No Yes — 10 mg/L — Archived Sep 30, 1998 Nitrate Rule
Apr 1, 1997 Jun 30, 1997 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Jun 30, 1997 Synthetic Organic Chemicals
Apr 1, 1997 Jun 30, 1997 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Jun 30, 1997 Synthetic Organic Chemicals
Apr 1, 1997 Jun 30, 1997 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Jun 30, 1997 Synthetic Organic Chemicals
Apr 1, 1997 Jun 30, 1997 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Jun 30, 1997 Synthetic Organic Chemicals
Apr 1, 1997 Jun 30, 1997 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Jun 30, 1997 Volatile Organic Chemicals
Apr 1, 1997 Jun 30, 1997 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Jun 30, 1997 Volatile Organic Chemicals
Apr 1, 1997 Jun 30, 1997 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Jun 30, 1997 Volatile Organic Chemicals
Apr 1, 1997 Jun 30, 1997 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Jun 30, 1997 Volatile Organic Chemicals
Jul 1, 1985 Jun 30, 1989 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 1989 Radionuclides and Revised Rad Rule
Jul 1, 1985 Jun 30, 1989 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 1989 Radionuclides and Revised Rad Rule
Oct 1, 1983 Sep 30, 1984 Fluoride MCL Yes No 2.8 4.0 mg/L 2 Archived Sep 30, 1984 Inorganic Chemicals
Sep 14, 1979 Sep 13, 1980 Fluoride MCL Yes No 3.2 4.0 mg/L 141.11 Archived Sep 13, 1980 Inorganic Chemicals
Sep 14, 1979 Sep 13, 1980 Fluoride MCL Yes No 2.9 4.0 mg/L 2 Archived Sep 13, 1980 Inorganic Chemicals
Sep 13, 1979 Oct 12, 1980 Fluoride MCL Yes No 3.2 4.0 mg/L 2 Archived Oct 12, 1980 Inorganic Chemicals
Apr 24, 1979 Apr 23, 1980 Combined Radium (-226 and -228) MCL Yes No 9 5 pCi/L 141.15 Archived Apr 23, 1980 Radionuclides and Revised Rad Rule
— — — 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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