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LETCHER

South Dakota — Community Water System — PWSID: SD4600196

System Information

PWSIDSD4600196
System NameLETCHER
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedDec 9, 2025

Location & Contact

StateSouth Dakota
CityLETCHER
ZIP Code57359
AddressPO BOX 143
OrganizationLETCHER
Phone6052482242

Population & Service

Population Served159
Service Connections105

Drinking Water Violations (31)

This water system has 31 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, 2017 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Mar 22, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2017 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Mar 22, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2016 Sep 30, 2016 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2016 Sep 30, 2016 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2016 Sep 30, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2016 Sep 30, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Mar 15, 2016 — Public Notice Other No No — — — Resolved Jun 20, 2016 Public Notice Rule and Revised PN Rule
Jul 1, 2015 Jul 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2015 Total Coliform Rule
Jul 1, 2015 Sep 30, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Sep 30, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Jul 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2015 Total Coliform Rule
Jul 1, 2015 Jul 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2015 Total Coliform Rule
Feb 1, 2015 Feb 28, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 28, 2015 Total Coliform Rule
Feb 1, 2015 Feb 28, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 28, 2015 Total Coliform Rule
Feb 1, 2015 Feb 28, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 28, 2015 Total Coliform Rule
Feb 1, 2014 — Stage 1 Disinfectants and Disinfection Byproducts Rule TT Yes No — — — Resolved Oct 9, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2001 Jul 31, 2001 Coliform (TCR) MR No Yes — 5% of samples — Resolved Jul 31, 2001 Total Coliform Rule
Jul 1, 2001 Jul 31, 2001 Coliform (TCR) MR No Yes — 5% of samples — Resolved Jul 31, 2001 Total Coliform Rule
Jul 1, 2001 Jul 31, 2001 Coliform (TCR) MR No Yes — 5% of samples — Resolved Jul 31, 2001 Total Coliform Rule
Jul 1, 1996 Jan 7, 1997 Lead and Copper Rule MR No No — TT — Resolved Jan 7, 1997 Lead and Copper Rule
Jul 1, 1996 Jan 7, 1997 Lead and Copper Rule MR No No — TT — Resolved Jan 7, 1997 Lead and Copper Rule
Jan 1, 1996 Jan 7, 1997 Lead and Copper Rule MR No No — TT — Resolved Jan 7, 1997 Lead and Copper Rule
Jul 1, 1994 Dec 28, 1995 Lead and Copper Rule MR No No — TT — Resolved Dec 28, 1995 Lead and Copper Rule
Aug 1, 1993 Aug 31, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 1993 Total Coliform Rule
Jun 24, 1979 Jul 23, 1979 Nitrate MR No No — 10 mg/L — Archived Jul 23, 1979 Nitrate Rule
Jun 24, 1979 Jul 23, 1979 Mercury MR No No — 0.002 mg/L — Archived Jul 23, 1979 Inorganic Chemicals
Jun 24, 1979 Jul 23, 1979 Barium MR No No — 2 mg/L — Archived Jul 23, 1979 Inorganic Chemicals
Jun 24, 1979 Jul 23, 1979 Arsenic MR No No — 0.010 mg/L — Archived Jul 23, 1979 Arsenic Rule
Jun 24, 1979 Jul 23, 1979 Selenium MR No No — 0.05 mg/L — Archived Jul 23, 1979 Inorganic Chemicals
Jul 1, 1976 Jun 30, 1980 Combined Radium (-226 and -228) MR No No — 5 pCi/L — Archived Jun 30, 1980 Radionuclides and Revised Rad Rule
Jul 1, 1976 Jun 30, 1980 Gross Alpha, Excl. Radon and U MR No No — 15 pCi/L — Archived Jun 30, 1980 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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