SENECA

South Dakota — Community Water System — PWSID: SD4600292

System Information

PWSIDSD4600292
System NameSENECA
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedMar 2, 2026

Location & Contact

StateSouth Dakota
CitySENECA
ZIP Code57473
Address504 LINN STREET
OrganizationSENECA
Phone6054366236

Population & Service

Population Served25
Service Connections20

Drinking Water Violations (40)

This water system has 40 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, 2018 TT Yes No Resolved Jun 11, 2018
Feb 1, 2018 TT Yes No Resolved Jun 11, 2018
Feb 1, 2016 TT Yes No Resolved May 19, 2016
Feb 1, 2016 TT Yes No Resolved May 19, 2016
Feb 1, 2014 TT Yes No Resolved Jun 30, 2014
Feb 1, 2014 TT Yes No Resolved Jun 30, 2014
Sep 14, 2011 Other No No Resolved Jan 24, 2014
Feb 1, 2011 TT Yes No Resolved Mar 8, 2011
Feb 1, 2011 TT Yes No Resolved Mar 8, 2011
Aug 9, 2010 Other No No Resolved Jun 23, 2011
Aug 9, 2010 Other No No Resolved Jun 23, 2011
Aug 1, 2010 Aug 31, 2010 MR No No 5% of samples Resolved Aug 31, 2010
Aug 1, 2010 Aug 31, 2010 MR No No 5% of samples Resolved Aug 31, 2010
Aug 1, 2010 Aug 31, 2010 MR No No 5% of samples Resolved Aug 31, 2010
Aug 1, 2010 Aug 31, 2010 MR No No 5% of samples Resolved Aug 31, 2010
Aug 1, 2010 Aug 31, 2010 MR No No 5% of samples Resolved Aug 31, 2010
Jul 1, 2010 Sep 30, 2010 MR No Yes 4.0 mg/L Resolved Sep 30, 2010
Jul 1, 2010 Sep 30, 2010 MR No Yes 4.0 mg/L Resolved Sep 30, 2010
Jul 1, 2010 Sep 30, 2010 MR No Yes 4.0 mg/L Resolved Sep 30, 2010
Jan 1, 1995 Nov 13, 1995 MR No No TT Resolved Nov 13, 1995
Jan 1, 1995 Nov 13, 1995 MR No No TT Resolved Nov 13, 1995
Oct 1, 1994 Oct 31, 1994 MCL Yes No 5% of samples Resolved Oct 31, 1994
Oct 1, 1994 Oct 31, 1994 MCL Yes No 5% of samples Resolved Oct 31, 1994
Oct 1, 1994 Oct 31, 1994 MCL Yes No 5% of samples Resolved Oct 31, 1994
Jul 1, 1994 Nov 13, 1995 MR No No TT Resolved Nov 13, 1995
Jul 1, 1994 Nov 13, 1995 MR No No TT Resolved Nov 13, 1995
Jan 1, 1994 Nov 13, 1995 MR No No TT Resolved Nov 13, 1995
Jan 1, 1994 Nov 13, 1995 MR No No TT Resolved Nov 13, 1995
Dec 16, 1991 Jan 15, 1992 Other No No Archived Jan 15, 1992
Sep 1, 1991 Sep 30, 1991 MCL Yes No 5% of samples Resolved Sep 30, 1991
Sep 1, 1991 Sep 30, 1991 MCL Yes No 5% of samples Resolved Sep 30, 1991
Sep 1, 1991 Sep 30, 1991 MCL Yes No 5% of samples Resolved Sep 30, 1991
Sep 1, 1991 Sep 30, 1991 MR No No 5% of samples Archived Sep 30, 1991
Sep 1, 1991 Sep 30, 1991 MR No No 5% of samples Archived Sep 30, 1991
Jul 1, 1976 Jun 30, 1980 MR No No 15 pCi/L Archived Jun 30, 1980
Jul 1, 1976 Jun 30, 1980 MR No No 5 pCi/L Archived Jun 30, 1980
No No
No No
No No
No No

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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