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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 ReportedNov 17, 2025

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 (25)

This water system has 25 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 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Dec 30, 2023 — Lead and Copper Rule MR No No — TT — Resolved Dec 4, 2023 Lead and Copper Rule
Nov 11, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 4, 2023 Revised Total Coliform Rule
Nov 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 12, 2022 Revised Total Coliform Rule
May 1, 2017 May 31, 2017 Revised Total Coliform Rule MON No No — — — Resolved May 31, 2017 Revised Total Coliform Rule
Sep 1, 2015 Sep 30, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2015 Total Coliform Rule
Mar 1, 2015 Mar 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2015 Total Coliform Rule
Jan 1, 2015 Jan 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 2015 Total Coliform Rule
Jan 1, 2015 Jan 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 2015 Total Coliform Rule
Jan 1, 2015 Jan 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 2015 Total Coliform Rule
Jan 1, 2015 Jan 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 2015 Total Coliform Rule
Nov 1, 2014 Nov 30, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2014 Total Coliform Rule
Oct 1, 2014 Dec 31, 2014 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 TTHM MR No No — 0.080 mg/L — Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Oct 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2014 Total Coliform Rule
Jul 1, 2014 Sep 30, 2014 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 TTHM MR No No — 0.080 mg/L — Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Mar 31, 2014 TTHM MR No No — 0.080 mg/L — Resolved Jan 16, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Mar 31, 2014 TTHM MR No No — 0.080 mg/L — Resolved Jan 16, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Mar 31, 2014 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Jan 16, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Mar 31, 2014 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Jan 16, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2012 Dec 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2012 Total Coliform Rule
Dec 1, 2012 Dec 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2012 Total Coliform Rule
Dec 1, 2012 Dec 31, 2012 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2012 Total Coliform Rule
Jan 1, 1982 Dec 31, 1985 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Archived Dec 31, 1985 Radionuclides and Revised Rad 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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