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ROCK RIVER, TOWN OF

Wyoming — Community Water System — PWSID: WY5600048

System Information

PWSIDWY5600048
System NameROCK RIVER, TOWN OF
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedMar 2, 2026

Location & Contact

StateWyoming
CityROCK RIVER
ZIP Code82083
AddressPO Box 280
OrganizationSTRICKLIN, RICK
Phone307-460-8441

Population & Service

Population Served211
Service Connections184

Drinking Water Violations (77)

This water system has 77 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
Jul 1, 2025 Sep 30, 2025 MR No Yes — 0.060 mg/L — Archived Sep 30, 2025 —
Jul 1, 2025 Sep 30, 2025 MR No Yes — 0.080 mg/L — Archived Sep 30, 2025 —
Jan 1, 2020 Mar 31, 2020 MR No Yes — TT — Resolved Mar 31, 2020 —
Aug 1, 2015 Aug 31, 2015 MR No No — 5% of samples — Resolved Aug 31, 2015 —
Apr 1, 2012 Jun 30, 2012 MCL Yes No .069 MG/L 0.060 mg/L .06 Resolved Jun 30, 2012 —
Apr 1, 2012 Jun 30, 2012 MCL Yes No .069 MG/L 0.060 mg/L .06 Resolved Jun 30, 2012 —
Jan 1, 2012 Mar 31, 2012 MCL Yes No .071 MG/L 0.060 mg/L .06 Resolved Mar 31, 2012 —
Jan 1, 2012 Mar 31, 2012 MCL Yes No .071 MG/L 0.060 mg/L .06 Resolved Mar 31, 2012 —
Oct 1, 2011 Dec 31, 2011 MCL Yes No .069 MG/L 0.060 mg/L .06 Resolved Dec 31, 2011 —
Oct 1, 2011 Dec 31, 2011 MCL Yes No .069 MG/L 0.060 mg/L .06 Resolved Dec 31, 2011 —
Jul 1, 2011 Sep 30, 2011 MCL Yes No .065 MG/L 0.060 mg/L .06 Resolved Sep 30, 2011 —
Jul 1, 2011 Sep 30, 2011 MCL Yes No .065 MG/L 0.060 mg/L .06 Resolved Sep 30, 2011 —
Jul 1, 2011 Jul 31, 2011 TT Yes No — — — Resolved Jul 4, 2011 —
Jul 1, 2011 Jul 31, 2011 TT Yes No — — — Resolved Jul 4, 2011 —
Jan 1, 2011 Jan 31, 2011 MR No Yes — — — Resolved Jan 31, 2011 —
Jan 1, 2011 Jan 31, 2011 MR No Yes — — — Resolved Jan 31, 2011 —
Oct 1, 2009 Oct 31, 2009 MR No Yes — — — Resolved Oct 31, 2009 —
Oct 1, 2009 Oct 31, 2009 MR No Yes — — — Resolved Oct 31, 2009 —
Oct 1, 2009 Oct 31, 2009 MR No Yes — — — Resolved Oct 31, 2009 —
Oct 1, 2009 Oct 31, 2009 TT Yes No — — — Resolved Oct 31, 2009 —
Oct 1, 2009 Oct 31, 2009 TT Yes No — — — Resolved Oct 31, 2009 —
Oct 1, 2009 Oct 31, 2009 TT Yes No — — — Resolved Oct 31, 2009 —
Jul 1, 2009 Sep 30, 2009 MCL Yes No .06123 MG/L 0.060 mg/L .06 Archived Sep 30, 2009 —
Jul 1, 2009 Sep 30, 2009 MCL Yes No .06123 MG/L 0.060 mg/L .06 Archived Sep 30, 2009 —
Apr 1, 2009 Jun 30, 2009 MCL Yes No .06066 MG/L 0.060 mg/L .06 Archived Jun 30, 2009 —
Apr 1, 2009 Jun 30, 2009 MCL Yes No .06066 MG/L 0.060 mg/L .06 Archived Jun 30, 2009 —
Apr 1, 2009 Jun 30, 2009 MCL Yes No .06066 MG/L 0.060 mg/L .06 Archived Jun 30, 2009 —
Jan 1, 2009 Mar 31, 2009 MCL Yes No .064 MG/L 0.060 mg/L .06 Archived Mar 31, 2009 —
Jan 1, 2009 Mar 31, 2009 MCL Yes No .064 MG/L 0.060 mg/L .06 Archived Mar 31, 2009 —
Jan 1, 2009 Mar 31, 2009 MCL Yes No .064 MG/L 0.060 mg/L .06 Archived Mar 31, 2009 —
Oct 1, 2008 Dec 31, 2008 MR No No — 0.080 mg/L — Resolved Mar 7, 2007 —
Oct 1, 2008 Dec 31, 2008 MR No No — 0.060 mg/L — Resolved Mar 7, 2007 —
Oct 1, 2008 Dec 31, 2008 MR No No — 0.060 mg/L — Resolved Mar 7, 2007 —
Oct 1, 2008 Dec 31, 2008 MR No No — 0.080 mg/L — Resolved Mar 7, 2007 —
Jul 1, 2008 Sep 30, 2008 MCL Yes No .06213 MG/L 0.060 mg/L .06 Archived Sep 30, 2008 —
Jul 1, 2008 Sep 30, 2008 MCL Yes No .06213 MG/L 0.060 mg/L .06 Archived Sep 30, 2008 —
Jul 1, 2008 Sep 30, 2008 MCL Yes No .06213 MG/L 0.060 mg/L .06 Archived Sep 30, 2008 —
Apr 1, 2008 Jun 30, 2008 MCL Yes No .06883 MG/L 0.060 mg/L .06 Archived Jun 30, 2008 —
Apr 1, 2008 Jun 30, 2008 MCL Yes No .06883 MG/L 0.060 mg/L .06 Archived Jun 30, 2008 —
Apr 1, 2008 Jun 30, 2008 MCL Yes No .06883 MG/L 0.060 mg/L .06 Archived Jun 30, 2008 —
Jan 1, 2008 Jan 31, 2008 TT Yes No — — — Resolved Jan 31, 2008 —
Jan 1, 2008 Jan 31, 2008 TT Yes No — — — Resolved Jan 31, 2008 —
Jan 1, 2008 Jan 31, 2008 MR No No — — — Resolved Jan 31, 2008 —
Jan 1, 2008 Jan 31, 2008 MR No No — — — Resolved Jan 31, 2008 —
Jan 1, 2008 Jan 31, 2008 MR No No — — — Resolved Jan 31, 2008 —
Jan 1, 2008 Jan 31, 2008 TT Yes No — — — Resolved Jan 31, 2008 —
Oct 1, 2006 Dec 31, 2006 MR No Yes — 0.060 mg/L — Archived Dec 31, 2006 —
Oct 1, 2006 Dec 31, 2006 MR No Yes — 0.080 mg/L — Archived Dec 31, 2006 —
Oct 1, 2006 Dec 31, 2006 MR No Yes — 0.060 mg/L — Archived Dec 31, 2006 —
Oct 1, 2006 Dec 31, 2006 MR No Yes — 0.060 mg/L — Archived Dec 31, 2006 —

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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