LINCOLN CO RW & SEWER DIST 4

Oklahoma — Community Water System — PWSID: OK2004105

System Information

PWSID	OK2004105
System Name	LINCOLN CO RW & SEWER DIST 4
System Type	Community Water System
Water Source	Surface Water Purchased
Activity Status	Active
Owner Type	Local
EPA Region	06
Serves School	No
Wholesaler	No
First Reported	Mar 11, 1980
Last Reported	Nov 14, 2025

Location & Contact

State	Oklahoma
City	AGRA
ZIP Code	74824
Address	Tawanna Chapman - Manager
Organization	LINCOLN CO RW & SEWER DIST. 4
Phone	918-375-2625

Population & Service

Population Served	2,525
Service Connections	1,052

Drinking Water Violations (71)

This water system has 71 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
Jul 1, 2025	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Aug 20, 2025	Consumer Confidence Rule
Oct 2, 2023	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jan 15, 2024	Consumer Confidence Rule
Oct 2, 2023	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jan 15, 2024	Consumer Confidence Rule
Jan 1, 2023	Dec 31, 2023	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2023	Nitrate Rule
Jan 1, 2023	Dec 31, 2023	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2023	Nitrate Rule
Jan 1, 2023	Dec 31, 2023	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2023	Nitrate Rule
Jan 1, 2023	Dec 31, 2023	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2023	Nitrate Rule
Jan 1, 2023	Dec 31, 2023	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2023	Nitrate Rule
Jan 1, 2023	Dec 31, 2023	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2023	Nitrate Rule
Jan 1, 2023	Dec 31, 2023	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2023	Nitrate Rule
Jan 1, 2023	Dec 31, 2023	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2023	Nitrate Rule
Jan 1, 2023	Dec 31, 2023	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2023	Nitrate Rule
Jan 1, 2023	Dec 31, 2023	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2023	Nitrate Rule
Jan 1, 2023	Dec 31, 2023	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2023	Nitrate Rule
Jan 1, 2023	Dec 31, 2023	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2023	Nitrate Rule
Jan 1, 2023	Dec 31, 2023	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2023	Nitrate Rule
Jan 1, 2023	Dec 31, 2023	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2023	Nitrate Rule
Jan 1, 2023	Dec 31, 2023	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2023	Nitrate Rule
Jan 1, 2023	Dec 31, 2023	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2023	Nitrate Rule
Oct 19, 2021	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Mar 7, 2022	Ground Water Rule
Oct 19, 2021	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Mar 7, 2022	Ground Water Rule
Oct 19, 2021	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Mar 7, 2022	Ground Water Rule
Oct 19, 2021	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Mar 7, 2022	Ground Water Rule
Sep 9, 2021	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Nov 16, 2021	Ground Water Rule
Sep 9, 2021	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Nov 16, 2021	Ground Water Rule
Sep 9, 2021	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Nov 16, 2021	Ground Water Rule
Sep 9, 2021	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Nov 16, 2021	Ground Water Rule
Jan 1, 2020	Dec 31, 2022	Nitrite	MR	No	Yes	—	1 mg/L	—	Archived	Dec 31, 2022	Nitrate Rule
Jan 1, 2020	Dec 31, 2022	Nitrite	MR	No	Yes	—	1 mg/L	—	Archived	Dec 31, 2022	Nitrate Rule
Jan 1, 2020	Dec 31, 2022	Nitrite	MR	No	Yes	—	1 mg/L	—	Archived	Dec 31, 2022	Nitrate Rule
Jul 1, 2017	Sep 30, 2017	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2017	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2017	Sep 30, 2017	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2017	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2017	Sep 30, 2017	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2017	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2017	Sep 30, 2017	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2017	Stage 1 Disinfectants and Disinfection Byproducts Rule
May 20, 2015	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Jul 3, 2018	Ground Water Rule
May 20, 2015	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Jul 3, 2018	Ground Water Rule
May 20, 2015	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Jul 3, 2018	Ground Water Rule
Dec 1, 2012	Dec 31, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2012	Total Coliform Rule
Dec 1, 2012	Dec 31, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2012	Total Coliform Rule
Dec 1, 2012	Dec 31, 2012	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2012	Total Coliform Rule
Dec 1, 2012	Dec 31, 2012	Coliform (TCR)	MR	No	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
Dec 1, 2012	Dec 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Dec 31, 2012	Total Coliform Rule
Jan 1, 2009	Jan 31, 2009	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 2009	Total Coliform Rule
Jan 1, 2009	Jan 31, 2009	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 2009	Total Coliform Rule
Jan 1, 2009	Jan 31, 2009	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 2009	Total Coliform Rule
Jan 1, 2009	Jan 31, 2009	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 2009	Total Coliform Rule
Jul 1, 2006	Jul 31, 2006	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2006	Total Coliform Rule
Jul 1, 2006	Jul 31, 2006	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2006	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.

Browse All Water Systems Water Safety Stats Water Safety Home

Browse All Water Systems Water Systems in Oklahoma