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WESTFIELD ADDITION

South Dakota — Community Water System — PWSID: SD4600521

System Information

PWSIDSD4600521
System NameWESTFIELD ADDITION
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMar 4, 1980
Last ReportedDec 9, 2025

Location & Contact

StateSouth Dakota
CitySPEARFISH
ZIP Code57783
Address108 PONDEROSA DRIVE
OrganizationWESTFIELD ADDITION
Phone—

Population & Service

Population Served104
Service Connections36

Drinking Water Violations (132)

This water system has 132 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
May 1, 2004 May 31, 2004 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 2004 Total Coliform Rule
May 1, 2004 May 31, 2004 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 2004 Total Coliform Rule
May 1, 2004 May 31, 2004 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 2004 Total Coliform 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
Jul 1, 2001 Jul 31, 2001 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2001 Total Coliform Rule
Jul 1, 2000 Jul 27, 2000 Consumer Confidence Rule Other No Yes — — — Resolved Jul 27, 2000 Consumer Confidence Rule
Jul 1, 2000 Jul 27, 2000 Consumer Confidence Rule Other No Yes — — — Resolved Jul 27, 2000 Consumer Confidence Rule
May 9, 1998 Jun 8, 1998 Coliform (TCR) Other No No — 5% of samples — Archived Jun 8, 1998 Total Coliform Rule
Mar 1, 1998 Mar 31, 1998 Coliform (TCR) MR No Yes — 5% of samples — Archived Mar 31, 1998 Total Coliform Rule
Mar 1, 1998 Mar 31, 1998 Coliform (TCR) MR No Yes — 5% of samples — Archived Mar 31, 1998 Total Coliform Rule
Jan 1, 1998 Jan 31, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 1998 Total Coliform Rule
Jan 1, 1998 Jan 31, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 1998 Total Coliform Rule
Jan 1, 1998 Jan 31, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 1998 Total Coliform Rule
Aug 1, 1997 Aug 31, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 1997 Total Coliform Rule
Aug 1, 1997 Aug 31, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 1997 Total Coliform Rule
Aug 1, 1997 Aug 31, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 1997 Total Coliform Rule
Jul 1, 1997 Jul 31, 1997 Coliform (TCR) MR No Yes — 5% of samples — Archived Jul 31, 1997 Total Coliform Rule
Jul 1, 1997 Jul 31, 1997 Coliform (TCR) MR No Yes — 5% of samples — Archived Jul 31, 1997 Total Coliform Rule
Jan 1, 1996 Dec 31, 1996 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Jan 1, 1996 Dec 31, 1996 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1996 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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