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SICANGU MNI WICONI RURAL WATER SYSTEM

South Dakota — Community Water System — PWSID: 084690516

System Information

PWSID084690516
System NameSICANGU MNI WICONI RURAL WATER SYSTEM
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeNative American
EPA Region08
Serves SchoolNo
WholesalerYes
First ReportedJan 27, 1983
Last ReportedMar 2, 2026

Location & Contact

StateSouth Dakota
CityROSEBUD
ZIP Code57570
AddressROSEBUD SIOUX TRIBE WATER RESOURCES
OrganizationCOLOMBE, YOUNG
Phone605-747-2378

Population & Service

Population Served5,610
Service Connections888

Drinking Water Violations (43)

This water system has 43 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 17, 2024 — RPT No No — — — Unaddressed — —
Oct 17, 2024 — TT Yes No — — — Unaddressed — —
Dec 30, 2023 — MR No No — TT — Resolved Dec 4, 2023 —
Nov 11, 2023 — RPT No No — — — Resolved Dec 4, 2023 —
Nov 1, 2022 — RPT No No — — — Resolved Dec 12, 2022 —
May 1, 2017 May 31, 2017 MON No No — — — Resolved May 31, 2017 —
Sep 1, 2015 Sep 30, 2015 MCL Yes No — 5% of samples — Resolved Sep 30, 2015 —
Mar 1, 2015 Mar 31, 2015 MR No No — 5% of samples — Resolved Mar 31, 2015 —
Jan 1, 2015 Jan 31, 2015 MCL Yes No — 5% of samples — Resolved Jan 31, 2015 —
Jan 1, 2015 Jan 31, 2015 MCL Yes No — 5% of samples — Resolved Jan 31, 2015 —
Jan 1, 2015 Jan 31, 2015 MCL Yes No — 5% of samples — Resolved Jan 31, 2015 —
Jan 1, 2015 Jan 31, 2015 MCL Yes No — 5% of samples — Resolved Jan 31, 2015 —
Nov 1, 2014 Nov 30, 2014 MCL Yes No — 5% of samples — Resolved Nov 30, 2014 —
Oct 1, 2014 Oct 31, 2014 MCL Yes No — 5% of samples — Resolved Oct 31, 2014 —
Oct 1, 2014 Dec 31, 2014 MR No No — 0.060 mg/L — Resolved Dec 31, 2014 —
Oct 1, 2014 Dec 31, 2014 MR No No — 0.080 mg/L — Resolved Dec 31, 2014 —
Jul 1, 2014 Sep 30, 2014 MR No No — 0.060 mg/L — Resolved Sep 30, 2014 —
Jul 1, 2014 Sep 30, 2014 MR No No — 0.080 mg/L — Resolved Sep 30, 2014 —
Jan 1, 2014 Mar 31, 2014 MR No No — 0.060 mg/L — Resolved Jan 16, 2013 —
Jan 1, 2014 Mar 31, 2014 MR No No — 0.060 mg/L — Resolved Jan 16, 2013 —
Jan 1, 2014 Mar 31, 2014 MR No No — 0.080 mg/L — Resolved Jan 16, 2013 —
Jan 1, 2014 Mar 31, 2014 MR No No — 0.080 mg/L — Resolved Jan 16, 2013 —
Dec 1, 2012 Dec 31, 2012 MCL Yes No — 5% of samples — Resolved Dec 31, 2012 —
Dec 1, 2012 Dec 31, 2012 MCL Yes No — 5% of samples — Resolved Dec 31, 2012 —
Dec 1, 2012 Dec 31, 2012 MCL Yes No — 5% of samples — Resolved Dec 31, 2012 —
Oct 1, 1994 Oct 31, 1994 MCL Yes No — 5% of samples — Archived Oct 31, 1994 —
Sep 1, 1993 Sep 30, 1993 MCL Yes No — 5% of samples — Archived Sep 30, 1993 —
Sep 1, 1993 Sep 30, 1993 MCL Yes No — 5% of samples — Archived Sep 30, 1993 —
Jul 1, 1992 Jul 31, 1992 MR No No — 5% of samples — Archived Jul 31, 1992 —
Nov 1, 1991 Nov 30, 1991 MR No No — 5% of samples — Archived Nov 30, 1991 —
Oct 1, 1991 Oct 31, 1991 MR No No — 5% of samples — Archived Oct 31, 1991 —
Jul 1, 1991 Jul 31, 1991 MCL Yes No — 5% of samples — Archived Jul 31, 1991 —
Jul 1, 1991 Jul 31, 1991 MCL Yes No — 5% of samples — Archived Jul 31, 1991 —
Mar 1, 1991 Mar 31, 1991 MR No No — 5% of samples — Archived Mar 31, 1991 —
Jan 1, 1983 Dec 31, 1985 MR No Yes — 0.010 mg/L — Archived Dec 31, 1985 —
Jan 1, 1983 Dec 31, 1985 MR No Yes — 4.0 mg/L — Archived Dec 31, 1985 —
Jan 1, 1983 Dec 31, 1985 MR No Yes — 0.002 mg/L — Archived Dec 31, 1985 —
Jan 1, 1983 Dec 31, 1985 MR No Yes — 0.05 mg/L — Archived Dec 31, 1985 —
Jan 1, 1983 Dec 31, 1985 MR No Yes — 0.005 mg/L — Archived Dec 31, 1985 —
Jan 1, 1983 Dec 31, 1985 MR No Yes — 2 mg/L — Archived Dec 31, 1985 —
Jan 1, 1983 Dec 31, 1985 MR No Yes — 0.1 mg/L — Archived Dec 31, 1985 —
Jan 1, 1983 Dec 31, 1985 MR No Yes — 10 mg/L — Archived Dec 31, 1985 —
Jan 1, 1982 Dec 31, 1985 MR No Yes — 15 pCi/L — Archived Dec 31, 1985 —

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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