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SIPHON HILL WATER ASSOCIATION

South Dakota — Community Water System — PWSID: SD4600272

System Information

PWSIDSD4600272
System NameSIPHON HILL WATER ASSOCIATION
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
CityRAPID CITY
ZIP Code57702
Address10585 WHEATON ROAD
OrganizationSIPHON HILL WATER ASSOCIATION
Phone6053423175

Population & Service

Population Served68
Service Connections29

Drinking Water Violations (597)

This water system has 597 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
Feb 1, 2015 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Apr 27, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2015 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Apr 27, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 3, 2010 — Groundwater Rule TT Yes No — — — Resolved Oct 17, 2011 Ground Water Rule
Aug 3, 2010 — Groundwater Rule TT Yes No — — — Resolved Oct 17, 2011 Ground Water Rule
May 5, 2010 — Groundwater Rule Other No No — — — Resolved May 7, 2010 Ground Water Rule
May 5, 2010 — Groundwater Rule Other No No — — — Resolved May 7, 2010 Ground Water Rule
Feb 1, 2010 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Oct 17, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2010 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Oct 17, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2005 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Feb 9, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2005 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Feb 9, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2001 Jul 31, 2001 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2001 Total Coliform Rule
Jul 1, 2001 Jul 31, 2001 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2001 Total Coliform Rule
Jan 1, 2001 Mar 31, 2001 Nitrate MR No Yes — 10 mg/L — Resolved Mar 31, 2001 Nitrate Rule
Jan 1, 2001 Mar 31, 2001 Nitrate MR No Yes — 10 mg/L — Resolved Mar 31, 2001 Nitrate Rule
Feb 13, 2000 Mar 12, 2000 Lead and Copper Rule Other No No — TT — Archived Mar 12, 2000 Lead and Copper Rule
Nov 14, 1999 Dec 13, 1999 Coliform (TCR) Other No No — 5% of samples — Archived Dec 13, 1999 Total Coliform Rule
Oct 9, 1999 Nov 8, 1999 Coliform (TCR) Other No No — 5% of samples — Archived Nov 8, 1999 Total Coliform Rule
Sep 1, 1999 Sep 30, 1999 Coliform (TCR) MR No Yes — 5% of samples — Archived Sep 30, 1999 Total Coliform Rule
Sep 1, 1999 Sep 30, 1999 Coliform (TCR) MR No Yes — 5% of samples — Archived Sep 30, 1999 Total Coliform Rule
Aug 1, 1999 Aug 31, 1999 Coliform (TCR) MR No Yes — 5% of samples — Archived Aug 31, 1999 Total Coliform Rule
Aug 1, 1999 Aug 31, 1999 Coliform (TCR) MR No Yes — 5% of samples — Archived Aug 31, 1999 Total Coliform Rule
Feb 9, 1999 Mar 8, 1999 Lead and Copper Rule Other No No — TT — Archived Mar 8, 1999 Lead and Copper Rule
Jan 1, 1999 Dec 31, 1999 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Jul 26, 2000 Lead and Copper Rule MR No No — TT — Resolved Jul 26, 2000 Lead and Copper Rule
Jan 1, 1999 Dec 31, 1999 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Jul 26, 2000 Lead and Copper Rule MR No No — TT — Resolved Jul 26, 2000 Lead and Copper Rule
Jan 1, 1999 Dec 31, 1999 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals
Jan 1, 1999 Dec 31, 1999 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 1999 Volatile Organic Chemicals

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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