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NORTHWOOD WATERWORKS

Iowa — Community Water System — PWSID: IA9855077

System Information

PWSIDIA9855077
System NameNORTHWOOD WATERWORKS
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
CityNORTHWOOD
ZIP Code50459
AddressATTN DIRK VAN RYSWYK OIC
OrganizationNORTHWOOD WATERWORKS
Phone641-324-1075

Population & Service

Population Served2,072
Service Connections942

Drinking Water Violations (29)

This water system has 29 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, 2022 Jan 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2022 Revised Total Coliform Rule
Jan 1, 2022 Jan 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2022 Revised Total Coliform Rule
Jan 1, 2022 Jan 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2022 Revised Total Coliform Rule
Jan 1, 2022 Jan 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2022 Revised Total Coliform Rule
Jul 1, 1998 Jul 31, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1998 Total Coliform Rule
Jul 1, 1998 Jul 31, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1998 Total Coliform Rule
Jul 1, 1998 Jul 31, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1998 Total Coliform Rule
Jul 1, 1998 Jul 31, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1998 Total Coliform Rule
Jul 1, 1998 Jul 31, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1998 Total Coliform Rule
Jul 1, 1998 Jul 31, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1998 Total Coliform Rule
Jan 1, 1998 Mar 31, 1998 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Mar 31, 1998 Volatile Organic Chemicals
Jan 1, 1998 Mar 31, 1998 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Mar 31, 1998 Volatile Organic Chemicals
Jan 1, 1998 Mar 31, 1998 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Mar 31, 1998 Volatile Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Nitrate MR No Yes — 10 mg/L — Archived Dec 31, 1998 Nitrate Rule
Oct 1, 1997 Dec 31, 1997 Tetrachloroethylene MCL Yes No .0042 0.005 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Oct 1, 1997 Dec 31, 1997 Tetrachloroethylene MCL Yes No .0042 0.005 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Oct 1, 1997 Dec 31, 1997 Tetrachloroethylene MCL Yes No .0042 0.005 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Oct 1, 1997 Dec 31, 1997 Tetrachloroethylene MCL Yes No .0042 0.005 mg/L — Resolved Dec 31, 1997 Volatile Organic Chemicals
Jul 1, 1995 Sep 30, 1995 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 1995 Volatile Organic Chemicals
Jul 1, 1995 Sep 30, 1995 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 1995 Volatile Organic Chemicals
Jul 1, 1995 Sep 30, 1995 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 1995 Volatile Organic Chemicals
Jul 1, 1995 Sep 30, 1995 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 1995 Volatile Organic Chemicals
Jul 1, 1995 Sep 30, 1995 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 1995 Volatile Organic Chemicals
Jul 1, 1995 Sep 30, 1995 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 1995 Volatile Organic Chemicals
Apr 1, 1994 Jun 30, 1994 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 30, 1994 Volatile Organic Chemicals
Apr 1, 1994 Jun 30, 1994 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 30, 1994 Volatile Organic Chemicals
Apr 1, 1994 Jun 30, 1994 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 30, 1994 Volatile Organic Chemicals
— — — 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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