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Consumer Safety

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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LYON-SIOUX RWS-BOYDEN

Iowa — Community Water System — PWSID: IA6000744

System Information

PWSIDIA6000744
System NameLYON-SIOUX RWS-BOYDEN
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region07
Serves SchoolNo
WholesalerNo
First ReportedFeb 27, 1979
Last ReportedMar 17, 2026

Location & Contact

StateIowa
CityROCK RAPIDS
ZIP Code51246
AddressATTN DAVE HARMSEN
OrganizationLYON-SIOUX RURAL WATER SYSTEM
Phone712-472-3755

Population & Service

Population Served605
Service Connections244

Drinking Water Violations (58)

This water system has 58 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
Mar 1, 2001 Mar 31, 2001 MCL Yes No 11.7 10 mg/L — Resolved Mar 31, 2001 —
Mar 1, 2001 Mar 31, 2001 MCL Yes No 11.7 10 mg/L — Resolved Mar 31, 2001 —
Mar 1, 2001 Mar 31, 2001 MCL Yes No 11.7 10 mg/L — Resolved Mar 31, 2001 —
May 1, 2000 May 31, 2000 MCL Yes No 10.6 10 mg/L — Resolved May 31, 2000 —
May 1, 2000 May 31, 2000 MCL Yes No 10.6 10 mg/L — Resolved May 31, 2000 —
May 1, 2000 May 31, 2000 MCL Yes No 10.6 10 mg/L — Resolved May 31, 2000 —
May 1, 2000 May 31, 2000 MCL Yes No 10.6 10 mg/L — Resolved May 31, 2000 —
Feb 1, 1996 Feb 29, 1996 MCL Yes No 10.3 10 mg/L — Resolved Feb 29, 1996 —
Feb 1, 1996 Feb 29, 1996 MCL Yes No 10.3 10 mg/L — Resolved Feb 29, 1996 —
Feb 1, 1996 Feb 29, 1996 MCL Yes No 10.3 10 mg/L — Resolved Feb 29, 1996 —
Feb 1, 1996 Feb 29, 1996 MCL Yes No 10.3 10 mg/L — Resolved Feb 29, 1996 —
Nov 1, 1995 Nov 30, 1995 MCL Yes No 11.8 10 mg/L — Resolved Nov 30, 1995 —
Nov 1, 1995 Nov 30, 1995 MCL Yes No 11.8 10 mg/L — Resolved Nov 30, 1995 —
Nov 1, 1995 Nov 30, 1995 MCL Yes No 11.8 10 mg/L — Resolved Nov 30, 1995 —
Nov 1, 1995 Nov 30, 1995 MCL Yes No 11.8 10 mg/L — Resolved Nov 30, 1995 —
Nov 1, 1995 Nov 30, 1995 MCL Yes No 11.8 10 mg/L — Resolved Nov 30, 1995 —
Mar 1, 1994 Mar 31, 1994 MR No Yes — 10 mg/L — Resolved Mar 31, 1994 —
Mar 1, 1994 Mar 31, 1994 MR No Yes — 10 mg/L — Resolved Mar 31, 1994 —
Mar 1, 1994 Mar 31, 1994 MR No Yes — 10 mg/L — Resolved Mar 31, 1994 —
Mar 1, 1994 Mar 31, 1994 MR No Yes — 10 mg/L — Resolved Mar 31, 1994 —
Mar 1, 1994 Mar 31, 1994 MR No Yes — 10 mg/L — Resolved Mar 31, 1994 —
Mar 1, 1994 Mar 31, 1994 MR No Yes — 10 mg/L — Resolved Mar 31, 1994 —
Mar 1, 1994 Mar 31, 1994 MR No Yes — 10 mg/L — Resolved Mar 31, 1994 —
Mar 1, 1994 Mar 31, 1994 MR No Yes — 10 mg/L — Resolved Mar 31, 1994 —
Feb 1, 1994 Feb 28, 1994 MR No Yes — 10 mg/L — Resolved Feb 28, 1994 —
Feb 1, 1994 Feb 28, 1994 MR No Yes — 10 mg/L — Resolved Feb 28, 1994 —
Feb 1, 1994 Feb 28, 1994 MR No Yes — 10 mg/L — Resolved Feb 28, 1994 —
Feb 1, 1994 Feb 28, 1994 MR No Yes — 10 mg/L — Resolved Feb 28, 1994 —
Feb 1, 1994 Feb 28, 1994 MR No Yes — 10 mg/L — Resolved Feb 28, 1994 —
Feb 1, 1994 Feb 28, 1994 MR No Yes — 10 mg/L — Resolved Feb 28, 1994 —
Feb 1, 1994 Feb 28, 1994 MR No Yes — 10 mg/L — Resolved Feb 28, 1994 —
Feb 1, 1994 Feb 28, 1994 MR No Yes — 10 mg/L — Resolved Feb 28, 1994 —
Jan 1, 1993 Mar 31, 1993 MCL Yes No 7.56 10 mg/L — Resolved Mar 31, 1993 —
Jan 1, 1993 Mar 31, 1993 MCL Yes No 7.56 10 mg/L — Resolved Mar 31, 1993 —
Jan 1, 1993 Mar 31, 1993 MCL Yes No 7.56 10 mg/L — Resolved Mar 31, 1993 —
Jan 1, 1993 Mar 31, 1993 MCL Yes No 7.56 10 mg/L — Resolved Mar 31, 1993 —
Jan 1, 1987 Jan 31, 1987 Other No No — 10 mg/L — Resolved Jan 31, 1987 —
Jan 1, 1987 Jan 31, 1987 Other No No — 10 mg/L — Resolved Jan 31, 1987 —
Jan 1, 1987 Jan 31, 1987 Other No No — 10 mg/L — Resolved Jan 31, 1987 —
Jan 1, 1987 Jan 31, 1987 Other No No — 10 mg/L — Resolved Jan 31, 1987 —
Jan 1, 1987 Jan 31, 1987 Other No No — 10 mg/L — Resolved Jan 31, 1987 —
Mar 1, 1986 Sep 30, 1986 MCL Yes No 11.11 10 mg/L 10 Resolved Sep 30, 1986 —
Mar 1, 1986 Sep 30, 1986 MCL Yes No 11.11 10 mg/L 10 Resolved Sep 30, 1986 —
Mar 1, 1986 Sep 30, 1986 MCL Yes No 11.11 10 mg/L 10 Resolved Sep 30, 1986 —
Mar 1, 1986 Sep 30, 1986 MCL Yes No 11.11 10 mg/L 10 Resolved Sep 30, 1986 —
Mar 1, 1986 Sep 30, 1986 MCL Yes No 11.11 10 mg/L 10 Resolved Sep 30, 1986 —
Jan 27, 1986 Feb 26, 1986 MCL Yes No 11.1 10 mg/L 10 Archived Feb 26, 1986 —
Feb 11, 1985 Mar 10, 1985 MCL Yes No 10.67 10 mg/L 10 Archived Mar 10, 1985 —
Feb 1, 1985 Mar 31, 1985 MCL Yes No 10.5 10 mg/L 10 Archived Mar 31, 1985 —
Aug 18, 1980 Oct 17, 1980 MCL Yes No 12 10 mg/L 10 Archived Oct 17, 1980 —

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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