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RUSHMORE RANCH ESTATES

South Dakota — Community Water System — PWSID: SD4602212

System Information

PWSIDSD4602212
System NameRUSHMORE RANCH ESTATES
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedAug 18, 2001
Last ReportedDec 9, 2025

Location & Contact

StateSouth Dakota
CityBLACK HAWK
ZIP Code57718
AddressPO BOX 761
OrganizationRUSHMORE RANCH ESTATES
Phone6057864366

Population & Service

Population Served168
Service Connections67

Drinking Water Violations (37)

This water system has 37 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, 2016 — Lead and Copper Rule MR No No — TT — Resolved Sep 12, 2017 Lead and Copper Rule
Oct 1, 2016 — Lead and Copper Rule MR No No — TT — Resolved Sep 12, 2017 Lead and Copper Rule
Oct 1, 2016 — Lead and Copper Rule MR No No — TT — Resolved Sep 12, 2017 Lead and Copper Rule
Sep 1, 2016 Sep 30, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2016 Revised Total Coliform Rule
Sep 1, 2016 Sep 30, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2016 Revised Total Coliform Rule
Sep 1, 2016 Sep 30, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2016 Revised Total Coliform Rule
Aug 1, 2016 Sep 30, 2016 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2016 Sep 30, 2016 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2016 Sep 30, 2016 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2016 Sep 30, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2016 Sep 30, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2016 Sep 30, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2015 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Mar 16, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2015 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Mar 16, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Mar 31, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Mar 31, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2002 Aug 31, 2002 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2002 Total Coliform Rule
Apr 1, 2002 Jun 30, 2002 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Jun 30, 2002 Volatile Organic Chemicals
Apr 1, 2002 Jun 30, 2002 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Jun 30, 2002 Volatile Organic Chemicals
Apr 1, 2002 Jun 30, 2002 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 30, 2002 Volatile Organic Chemicals
Apr 1, 2002 Jun 30, 2002 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Jun 30, 2002 Volatile Organic Chemicals
Apr 1, 2002 Jun 30, 2002 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Jun 30, 2002 Volatile Organic Chemicals
Apr 1, 2002 Jun 30, 2002 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Jun 30, 2002 Volatile Organic Chemicals
Apr 1, 2002 Jun 30, 2002 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Jun 30, 2002 Volatile Organic Chemicals
Apr 1, 2002 Jun 30, 2002 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Jun 30, 2002 Volatile Organic Chemicals
Apr 1, 2002 Jun 30, 2002 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Jun 30, 2002 Volatile Organic Chemicals
Apr 1, 2002 Jun 30, 2002 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Jun 30, 2002 Volatile Organic Chemicals
Apr 1, 2002 Jun 30, 2002 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 30, 2002 Volatile Organic Chemicals
Apr 1, 2002 Jun 30, 2002 Benzene MR No Yes — 0.005 mg/L — Resolved Jun 30, 2002 Volatile Organic Chemicals
Apr 1, 2002 Jun 30, 2002 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Jun 30, 2002 Volatile Organic Chemicals
Apr 1, 2002 Jun 30, 2002 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Jun 30, 2002 Volatile Organic Chemicals
Jun 1, 2001 Jun 30, 2001 Coliform (TCR) MR No Yes — 5% of samples — Resolved Jun 30, 2001 Total Coliform Rule
Jun 1, 2001 Jun 30, 2001 Coliform (TCR) MR No Yes — 5% of samples — Resolved Jun 30, 2001 Total Coliform Rule
May 1, 2001 May 31, 2001 Coliform (TCR) MR No Yes — 5% of samples — Resolved May 31, 2001 Total Coliform Rule
May 1, 2001 May 31, 2001 Coliform (TCR) MR No Yes — 5% of samples — Resolved May 31, 2001 Total Coliform 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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