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PONDEROSA RIDGE

South Dakota — Community Water System — PWSID: SD4600863

System Information

PWSIDSD4600863
System NamePONDEROSA RIDGE
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedJan 28, 1982
Last ReportedDec 9, 2025

Location & Contact

StateSouth Dakota
CityRAPID CITY
ZIP Code57702
Address1008 AZTEC DR
OrganizationPONDEROSA RIDGE
Phone—

Population & Service

Population Served90
Service Connections33

Drinking Water Violations (76)

This water system has 76 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
Dec 16, 2023 — E. COLI MR No Yes — — — Resolved Jan 29, 2024 Ground Water Rule
Dec 16, 2023 — E. COLI MR No Yes — — — Resolved Jan 29, 2024 Ground Water Rule
Dec 16, 2023 — E. COLI MR No Yes — — — Resolved Jan 29, 2024 Ground Water Rule
Feb 1, 2022 Feb 28, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2022 Revised Total Coliform Rule
Feb 1, 2022 Feb 28, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2022 Revised Total Coliform Rule
Feb 1, 2022 Feb 28, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2022 Revised Total Coliform Rule
Nov 1, 2020 Nov 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2020 Revised Total Coliform Rule
Nov 1, 2020 Nov 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2020 Revised Total Coliform Rule
Nov 1, 2020 Nov 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2020 Revised Total Coliform Rule
Dec 1, 2015 Dec 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2015 Total Coliform Rule
Dec 1, 2015 Dec 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2015 Total Coliform Rule
Dec 1, 2015 Dec 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2015 Total Coliform Rule
Nov 1, 2009 Nov 30, 2009 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2009 Total Coliform Rule
Nov 1, 2009 Nov 30, 2009 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2009 Total Coliform Rule
Oct 1, 2009 Oct 31, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2009 Total Coliform Rule
Oct 1, 2009 Oct 31, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2009 Total Coliform Rule
Oct 1, 2009 Oct 31, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2009 Total Coliform Rule
Oct 1, 2009 Oct 31, 2009 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2009 Total Coliform Rule
Oct 1, 2009 Oct 31, 2009 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2009 Total Coliform Rule
Sep 1, 2009 Sep 30, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2009 Total Coliform Rule
Sep 1, 2009 Sep 30, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2009 Total Coliform Rule
Jul 1, 2007 — Consumer Confidence Rule Other No No — — — Resolved Aug 6, 2007 Consumer Confidence Rule
Jul 1, 2007 — Consumer Confidence Rule Other No No — — — Resolved Aug 6, 2007 Consumer Confidence Rule
Jul 16, 2000 Aug 15, 2000 Coliform (TCR) Other No No — 5% of samples — Archived Aug 15, 2000 Total Coliform Rule
Jun 1, 2000 Jun 30, 2000 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2000 Total Coliform Rule
Jun 1, 2000 Jun 30, 2000 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2000 Total Coliform Rule
Jun 1, 2000 Jun 30, 2000 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2000 Total Coliform Rule
Oct 1, 1997 Oct 31, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 1997 Total Coliform Rule
Oct 1, 1997 Oct 31, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 1997 Total Coliform Rule
Oct 1, 1997 Oct 31, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 1997 Total Coliform Rule
May 1, 1997 May 31, 1997 Coliform (TCR) MR No No — 5% of samples — Archived May 31, 1997 Total Coliform Rule
May 1, 1997 May 31, 1997 Coliform (TCR) MR No No — 5% of samples — Archived May 31, 1997 Total Coliform Rule
Sep 1, 1995 Sep 30, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 1995 Total Coliform Rule
Sep 1, 1995 Sep 30, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 1995 Total Coliform Rule
Sep 1, 1995 Sep 30, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 1995 Total Coliform Rule
Jan 1, 1995 Mar 31, 1995 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Mar 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Mar 31, 1995 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Mar 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Mar 31, 1995 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Mar 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Mar 31, 1995 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Mar 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Mar 31, 1995 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Mar 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Mar 31, 1995 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Mar 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Mar 31, 1995 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Mar 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Mar 31, 1995 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Mar 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Mar 31, 1995 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Mar 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Mar 31, 1995 Xylenes, Total MR No Yes — 10 mg/L — Resolved Mar 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Mar 31, 1995 Toluene MR No Yes — 1 mg/L — Resolved Mar 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Mar 31, 1995 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Mar 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Mar 31, 1995 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Mar 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Mar 31, 1995 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Mar 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Mar 31, 1995 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Mar 31, 1995 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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