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ROCK LAKE CITY OF

North Dakota — Community Water System — PWSID: ND4800828

System Information

PWSIDND4800828
System NameROCK LAKE CITY OF
System TypeCommunity Water System
Water SourceGround Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedJan 5, 2026

Location & Contact

StateNorth Dakota
CityROCK LAKE
ZIP Code58365
AddressPO BOX 155
OrganizationPEARSON, MIRANDA
Phone—

Population & Service

Population Served94
Service Connections107

Drinking Water Violations (75)

This water system has 75 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, 2024 Sep 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015 Jun 30, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015 Jun 30, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015 Jun 30, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015 Jun 30, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 3, 2012 — Lead and Copper Rule MR No No — TT — Resolved Jan 8, 2013 Lead and Copper Rule
Oct 2, 2011 — Consumer Confidence Rule Other No No — — — Resolved Nov 14, 2011 Consumer Confidence Rule
Aug 1, 2011 Aug 31, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2011 Total Coliform Rule
Aug 1, 2011 Aug 31, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2011 Total Coliform Rule
Aug 1, 2011 Aug 31, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2011 Total Coliform Rule
Aug 1, 2011 Aug 31, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2011 Total Coliform Rule
Aug 1, 2011 Aug 31, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2011 Total Coliform Rule
Jul 1, 2011 Sep 30, 2011 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2011 Sep 30, 2011 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2011 Sep 30, 2011 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2011 Sep 30, 2011 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 22, 2009 — Public Notice Other No No — — — Resolved Dec 17, 2009 Public Notice Rule and Revised PN Rule
Nov 22, 2009 — Public Notice Other No No — — — Resolved Dec 17, 2009 Public Notice Rule and Revised PN Rule
Oct 2, 2009 — Consumer Confidence Rule Other No No — — — Resolved Nov 14, 2011 Consumer Confidence Rule
Sep 16, 2009 — Public Notice Other No No — — — Resolved Jun 17, 2011 Public Notice Rule and Revised PN Rule
Sep 16, 2009 — Public Notice Other No No — — — Resolved Jun 17, 2011 Public Notice Rule and Revised PN Rule
Jul 1, 2009 Sep 30, 2009 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2009 Jul 31, 2009 Coliform (TCR) MR No No — 5% of samples — Archived Jul 31, 2009 Total Coliform Rule
Jul 1, 2009 Jul 31, 2009 Coliform (TCR) MR No No — 5% of samples — Archived Jul 31, 2009 Total Coliform Rule
Jul 1, 2009 Sep 30, 2009 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2009 Sep 30, 2009 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2006 Sep 30, 2006 Coliform (TCR) MR No No — 5% of samples — Archived Sep 30, 2006 Total Coliform Rule
Sep 1, 2006 Sep 30, 2006 Coliform (TCR) MR No No — 5% of samples — Archived Sep 30, 2006 Total Coliform Rule
Sep 1, 2006 Sep 30, 2006 Coliform (TCR) MR No No — 5% of samples — Archived Sep 30, 2006 Total Coliform Rule
Feb 13, 2006 — Public Notice Other No No — — — Resolved Jun 17, 2011 Public Notice Rule and Revised PN Rule
Feb 13, 2006 — Public Notice Other No No — — — Resolved Jun 17, 2011 Public Notice Rule and Revised PN Rule
Dec 19, 2005 — Public Notice Other No No — — — Resolved Jun 17, 2011 Public Notice Rule and Revised PN Rule
Dec 19, 2005 — Public Notice Other No No — — — Resolved Jun 17, 2011 Public Notice Rule and Revised PN Rule
Dec 1, 2005 Dec 31, 2005 Coliform (TCR) MR No No — 5% of samples — Archived Dec 31, 2005 Total Coliform Rule
Dec 1, 2005 Dec 31, 2005 Coliform (TCR) MR No No — 5% of samples — Archived Dec 31, 2005 Total Coliform Rule
Oct 2, 2005 — Consumer Confidence Rule Other No No — — — Resolved Nov 14, 2011 Consumer Confidence Rule
Oct 2, 2005 — Consumer Confidence Rule Other No No — — — Resolved Nov 14, 2011 Consumer Confidence Rule
Oct 1, 2005 Oct 31, 2005 Coliform (TCR) MR No No — 5% of samples — Archived Oct 31, 2005 Total Coliform Rule
Oct 1, 2005 Oct 31, 2005 Coliform (TCR) MR No No — 5% of samples — Archived Oct 31, 2005 Total Coliform Rule
Oct 2, 2004 — Consumer Confidence Rule Other No No — — — Resolved Nov 14, 2011 Consumer Confidence Rule
Oct 2, 2004 — Consumer Confidence Rule Other No No — — — Resolved Nov 14, 2011 Consumer Confidence Rule
Oct 2, 2004 — Consumer Confidence Rule Other No No — — — Resolved Nov 14, 2011 Consumer Confidence Rule
Jun 22, 2004 — Public Notice Other No No — — — Resolved Jun 17, 2011 Public Notice Rule and Revised PN Rule
Jun 22, 2004 — Public Notice Other No No — — — Resolved Jun 17, 2011 Public Notice Rule and Revised PN Rule
Jun 16, 2004 — Public Notice Other No No — — — Resolved Jun 17, 2011 Public Notice Rule and Revised PN Rule
Jun 16, 2004 — Public Notice Other No No — — — Resolved Jun 17, 2011 Public Notice Rule and Revised PN Rule
Jun 6, 2004 — Public Notice Other No No — — — Resolved Jun 17, 2011 Public Notice Rule and Revised PN Rule

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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