OELRICHS

South Dakota — Community Water System — PWSID: SD4600230

System Information

PWSID	SD4600230
System Name	OELRICHS
System Type	Community Water System
Water Source	Ground Water Purchased
Activity Status	Active
Owner Type	Local
EPA Region	08
Serves School	No
Wholesaler	No
First Reported	Feb 13, 1979
Last Reported	Dec 9, 2025

Location & Contact

State	South Dakota
City	OELRICHS
ZIP Code	57763
Address	PO BOX 32
Organization	OELRICHS
Phone	—

Population & Service

Population Served	117
Service Connections	75

Drinking Water Violations (86)

This water system has 86 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 1, 2021	Oct 31, 2021	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Oct 31, 2021	Revised Total Coliform Rule
Oct 1, 2021	Oct 31, 2021	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Oct 31, 2021	Revised Total Coliform Rule
Oct 1, 2021	Oct 31, 2021	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Oct 31, 2021	Revised Total Coliform Rule
Oct 1, 2021	Dec 31, 2021	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2021	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021	Dec 31, 2021	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2021	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021	Dec 31, 2021	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2021	Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2014	Dec 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2014	Total Coliform Rule
Dec 1, 2014	Dec 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2014	Total Coliform Rule
Dec 1, 2014	Dec 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2014	Total Coliform Rule
Dec 1, 2014	Dec 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2014	Total Coliform Rule
Nov 1, 2014	Nov 30, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2014	Total Coliform Rule
Nov 1, 2014	Nov 30, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2014	Total Coliform Rule
Nov 1, 2014	Nov 30, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2014	Total Coliform Rule
Nov 1, 2014	Nov 30, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2014	Total Coliform Rule
Oct 1, 2014	Dec 31, 2014	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2014	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014	Oct 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2014	Total Coliform Rule
Oct 1, 2014	Oct 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2014	Total Coliform Rule
Oct 1, 2014	Oct 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2014	Total Coliform Rule
Oct 1, 2014	Oct 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 31, 2014	Total Coliform Rule
Oct 1, 2014	Dec 31, 2014	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2014	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014	Dec 31, 2014	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2014	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014	Dec 31, 2014	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2014	Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2014	Aug 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 2014	Total Coliform Rule
Aug 1, 2014	Aug 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 2014	Total Coliform Rule
Aug 1, 2014	Aug 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 2014	Total Coliform Rule
Aug 1, 2014	Aug 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 2014	Total Coliform Rule
Jul 1, 2014	Sep 30, 2014	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2014	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014	Sep 30, 2014	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2014	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014	Sep 30, 2014	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2014	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014	Sep 30, 2014	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2014	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 8, 2014	—	Public Notice	Other	No	No	—	—	—	Resolved	Jan 22, 2015	Public Notice Rule and Revised PN Rule
Jun 8, 2014	—	Public Notice	Other	No	No	—	—	—	Resolved	Jan 22, 2015	Public Notice Rule and Revised PN Rule
Jun 8, 2014	—	Public Notice	Other	No	No	—	—	—	Resolved	Jan 22, 2015	Public Notice Rule and Revised PN Rule
Jun 8, 2014	—	Public Notice	Other	No	No	—	—	—	Resolved	Jan 22, 2015	Public Notice Rule and Revised PN Rule
Jun 1, 2014	Jun 30, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 2014	Total Coliform Rule
Jun 1, 2014	Jun 30, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 2014	Total Coliform Rule
Jun 1, 2014	Jun 30, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 2014	Total Coliform Rule
Jun 1, 2014	Jun 30, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 2014	Total Coliform Rule
Apr 1, 2014	Jun 30, 2014	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Jun 30, 2014	Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014	Jun 30, 2014	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Jun 30, 2014	Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014	Apr 30, 2014	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Apr 30, 2014	Total Coliform Rule
Apr 1, 2014	Apr 30, 2014	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Apr 30, 2014	Total Coliform Rule
Apr 1, 2014	Apr 30, 2014	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Apr 30, 2014	Total Coliform Rule
Apr 1, 2014	Jun 30, 2014	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Jun 30, 2014	Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014	Apr 30, 2014	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Apr 30, 2014	Total Coliform Rule
Apr 1, 2014	Jun 30, 2014	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Jun 30, 2014	Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014	Apr 30, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 2014	Total Coliform Rule
Apr 1, 2014	Apr 30, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 2014	Total Coliform Rule
Apr 1, 2014	Apr 30, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 2014	Total Coliform Rule
Apr 1, 2014	Apr 30, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 2014	Total Coliform 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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