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Product Safety9,700+ CPSC product recalls Food Safety28,600+ FDA food recalls Pet Safety1.3M FDA animal adverse events Drug Safety17,500+ FDA drug recalls Device Safety38,400+ FDA device recalls Workplace Safety102,900+ OSHA injury reports Brand HistoryRecall lookup by company

Infrastructure

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TWIN RIDGE CORP (CITY OF DUBUQUE)

Iowa — Community Water System — PWSID: IA3126302

System Information

PWSIDIA3126302
System NameTWIN RIDGE CORP (CITY OF DUBUQUE)
System TypeCommunity Water System
Water SourceGround Water
Activity StatusInactive
Owner TypePrivate
EPA Region07
Serves SchoolNo
WholesalerNo
First ReportedMar 4, 1980
Last ReportedMar 26, 2025

Location & Contact

StateIowa
CityDUBUQUE
ZIP Code52001
AddressATTN BOB GREEN
OrganizationTWIN RIDGE CORP (CITY OF DUBUQUE)
Phone563-589-4291

Population & Service

Population Served215
Service Connections86

Drinking Water Violations (85)

This water system has 85 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
Oct 1, 2015 Oct 31, 2015 MR No No — 5% of samples — Resolved Oct 31, 2015 —
Oct 1, 2015 Oct 31, 2015 MR No No — 5% of samples — Resolved Oct 31, 2015 —
Oct 1, 2015 Oct 31, 2015 MR No No — 5% of samples — Resolved Oct 31, 2015 —
Oct 1, 2015 Oct 31, 2015 MR No No — 5% of samples — Resolved Oct 31, 2015 —
Nov 1, 2013 Nov 30, 2013 MCL Yes No — 5% of samples — Resolved Nov 30, 2013 —
Nov 1, 2013 Nov 30, 2013 MCL Yes No — 5% of samples — Resolved Nov 30, 2013 —
Nov 1, 2013 Nov 30, 2013 MCL Yes No — 5% of samples — Resolved Nov 30, 2013 —
Nov 1, 2013 Nov 30, 2013 MCL Yes No — 5% of samples — Resolved Nov 30, 2013 —
Oct 1, 2013 Oct 31, 2013 MCL Yes No — 5% of samples — Resolved Oct 31, 2013 —
Oct 1, 2013 Oct 31, 2013 MCL Yes No — 5% of samples — Resolved Oct 31, 2013 —
Oct 1, 2013 Oct 31, 2013 MCL Yes No — 5% of samples — Resolved Oct 31, 2013 —
Oct 1, 2013 Oct 31, 2013 MCL Yes No — 5% of samples — Resolved Oct 31, 2013 —
Oct 1, 2013 Oct 31, 2013 MCL Yes No — 5% of samples — Resolved Oct 31, 2013 —
Oct 1, 2011 Sep 30, 2012 MR No Yes — 10 mg/L — Resolved Sep 30, 2012 —
Oct 1, 2011 Sep 30, 2012 MR No Yes — 10 mg/L — Resolved Sep 30, 2012 —
Oct 1, 2011 Sep 30, 2012 MR No Yes — 10 mg/L — Resolved Sep 30, 2012 —
Oct 1, 2011 Sep 30, 2012 MR No Yes — 10 mg/L — Resolved Sep 30, 2012 —
Jul 1, 2011 — Other No No — — — Resolved Nov 1, 2011 —
Jul 1, 2011 — Other No No — — — Resolved Nov 1, 2011 —
Jul 1, 2011 — Other No No — — — Resolved Nov 1, 2011 —
Jul 1, 2011 — Other No No — — — Resolved Nov 1, 2011 —
Aug 1, 2003 Aug 31, 2003 MCL Yes No — 5% of samples — Resolved Aug 31, 2003 —
Aug 1, 2003 Aug 31, 2003 MCL Yes No — 5% of samples — Resolved Aug 31, 2003 —
Aug 1, 2003 Aug 31, 2003 MCL Yes No — 5% of samples — Resolved Aug 31, 2003 —
Aug 1, 2003 Aug 31, 2003 MCL Yes No — 5% of samples — Resolved Aug 31, 2003 —
Aug 1, 2003 Aug 31, 2003 MCL Yes No — 5% of samples — Resolved Aug 31, 2003 —
Jun 1, 1997 Jun 30, 1997 MR No No — 5% of samples — Resolved Jun 30, 1997 —
Jun 1, 1997 Jun 30, 1997 MR No No — 5% of samples — Resolved Jun 30, 1997 —
Jun 1, 1997 Jun 30, 1997 MR No No — 5% of samples — Resolved Jun 30, 1997 —
Oct 1, 1996 Oct 31, 1996 MR No No — 5% of samples — Resolved Oct 31, 1996 —
Oct 1, 1996 Oct 31, 1996 MR No No — 5% of samples — Resolved Oct 31, 1996 —
Oct 1, 1996 Oct 31, 1996 MR No No — 5% of samples — Resolved Oct 31, 1996 —
Sep 1, 1995 Sep 30, 1995 MR No No — 5% of samples — Resolved Sep 30, 1995 —
Sep 1, 1995 Sep 30, 1995 MR No No — 5% of samples — Resolved Sep 30, 1995 —
Sep 1, 1995 Sep 30, 1995 MR No No — 5% of samples — Resolved Sep 30, 1995 —
Sep 1, 1995 Sep 30, 1995 MR No No — 5% of samples — Resolved Sep 30, 1995 —
Oct 1, 1992 Oct 31, 1992 MR No No — 5% of samples — Resolved Oct 31, 1992 —
Oct 1, 1992 Oct 31, 1992 MR No No — 5% of samples — Resolved Oct 31, 1992 —
Oct 1, 1992 Oct 31, 1992 MR No No — 5% of samples — Resolved Oct 31, 1992 —
Oct 1, 1992 Oct 31, 1992 MR No No — 5% of samples — Resolved Oct 31, 1992 —
Oct 1, 1992 Oct 31, 1992 MR No No — 5% of samples — Resolved Oct 31, 1992 —
Oct 1, 1992 Oct 31, 1992 MR No No — 5% of samples — Resolved Oct 31, 1992 —
Oct 1, 1992 Oct 31, 1992 MR No No — 5% of samples — Resolved Oct 31, 1992 —
Oct 1, 1992 Oct 31, 1992 MR No No — 5% of samples — Resolved Oct 31, 1992 —
May 1, 1992 May 31, 1992 MR No No — 5% of samples — Resolved May 31, 1992 —
May 1, 1992 May 31, 1992 MR No No — 5% of samples — Resolved May 31, 1992 —
May 1, 1992 May 31, 1992 MR No No — 5% of samples — Resolved May 31, 1992 —
May 1, 1992 May 31, 1992 MR No No — 5% of samples — Resolved May 31, 1992 —
Jul 1, 1986 Jun 30, 1989 MR No Yes — 4.0 mg/L — Resolved Jun 30, 1989 —
Jul 1, 1986 Jun 30, 1989 MR No Yes — 4.0 mg/L — Resolved Jun 30, 1989 —

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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