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D & E WATER COMPANY

South Dakota — Community Water System — PWSID: SD4600392

System Information

PWSIDSD4600392
System NameD & E WATER COMPANY
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedDec 9, 2025

Location & Contact

StateSouth Dakota
CityBLACK HAWK
ZIP Code57718
Address11985 QUAAL ROAD
OrganizationD & E WATER COMPANY
Phone—

Population & Service

Population Served100
Service Connections40

Drinking Water Violations (63)

This water system has 63 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, 2010 Oct 31, 2010 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2010 Total Coliform Rule
Oct 1, 2010 Oct 31, 2010 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2010 Total Coliform Rule
Oct 1, 2010 Oct 31, 2010 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2010 Total Coliform Rule
Jul 1, 2006 Sep 30, 2006 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2006 Sep 30, 2006 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2006 Sep 30, 2006 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2006 Sep 30, 2006 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2006 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Aug 28, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2006 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Aug 28, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2006 Mar 31, 2006 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2006 Mar 31, 2006 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2006 Mar 31, 2006 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2005 Dec 31, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2005 Dec 31, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2005 Dec 31, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2005 Dec 31, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2005 Sep 30, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2005 Sep 30, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2005 Sep 30, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2005 Sep 30, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2005 Jun 30, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2005 Jun 30, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2005 Jun 30, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2005 Jun 30, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Mar 31, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Mar 31, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Mar 31, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Mar 31, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2004 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Oct 4, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2004 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Oct 4, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2001 Sep 10, 2001 Consumer Confidence Rule Other No Yes — — — Resolved Sep 10, 2001 Consumer Confidence Rule
Jul 1, 2001 Sep 10, 2001 Consumer Confidence Rule Other No Yes — — — Resolved Sep 10, 2001 Consumer Confidence Rule
Oct 1, 2000 — Lead and Copper Rule MR No No — TT — Resolved Sep 17, 2001 Lead and Copper Rule
Oct 1, 2000 — Lead and Copper Rule MR No No — TT — Resolved Sep 17, 2001 Lead and Copper Rule
Oct 1, 2000 — Lead and Copper Rule MR No No — TT — Resolved Sep 17, 2001 Lead and Copper Rule
Aug 1, 1997 Aug 31, 1997 Coliform (TCR) MR No Yes — 5% of samples — Archived Aug 31, 1997 Total Coliform Rule
Aug 1, 1997 Aug 31, 1997 Coliform (TCR) MR No Yes — 5% of samples — Archived Aug 31, 1997 Total Coliform Rule
Jan 1, 1996 Jul 28, 1997 Lead and Copper Rule MR No No — TT — Resolved Jul 28, 1997 Lead and Copper Rule
Jan 1, 1996 Jul 28, 1997 Lead and Copper Rule MR No No — TT — Resolved Jul 28, 1997 Lead and Copper Rule
Dec 1, 1995 Dec 31, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 1995 Total Coliform Rule
Dec 1, 1995 Dec 31, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 1995 Total Coliform Rule
Jul 1, 1994 Jan 29, 1995 Lead and Copper Rule MR No No — TT — Resolved Jan 29, 1995 Lead and Copper Rule
Jul 1, 1994 Jan 29, 1995 Lead and Copper Rule MR No No — TT — Resolved Jan 29, 1995 Lead and Copper Rule
Jan 1, 1994 Jan 29, 1995 Lead and Copper Rule MR No No — TT — Resolved Jan 29, 1995 Lead and Copper Rule
Dec 1, 1993 Dec 31, 1993 Coliform (TCR) MR No No — 5% of samples — Archived Dec 31, 1993 Total Coliform Rule
Jun 12, 1991 Jun 11, 1994 Fluoride MR No Yes — 4.0 mg/L — Resolved Jun 11, 1994 Inorganic Chemicals
Jun 12, 1991 Jun 11, 1994 Chromium MR No Yes — 0.1 mg/L — Resolved Jun 11, 1994 Inorganic Chemicals
Jun 12, 1991 Jun 11, 1994 Chromium MR No Yes — 0.1 mg/L — Resolved Jun 11, 1994 Inorganic Chemicals
Jun 12, 1991 Jun 11, 1994 Arsenic MR No Yes — 0.010 mg/L — Resolved Jun 11, 1994 Arsenic Rule
Jun 12, 1991 Jun 11, 1994 Arsenic MR No Yes — 0.010 mg/L — Resolved Jun 11, 1994 Arsenic 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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