DELAWARE CO RWD #10

Oklahoma — Community Water System — PWSID: OK6002158

System Information

PWSID	OK6002158
System Name	DELAWARE CO RWD #10
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Local
EPA Region	06
Serves School	No
Wholesaler	No
First Reported	May 21, 2004
Last Reported	Nov 14, 2025

Location & Contact

State	Oklahoma
City	AFTON
ZIP Code	74331-2869
Address	Bryan Kirkman, Chairman
Organization	DELAWARE CO RWD #10
Phone	918-791-9100

Population & Service

Population Served	1,295
Service Connections	589

Drinking Water Violations (36)

This water system has 36 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 2, 2023	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	May 6, 2024	Consumer Confidence Rule
Oct 2, 2023	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	May 6, 2024	Consumer Confidence Rule
Dec 1, 2022	Dec 31, 2022	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Dec 31, 2022	Revised Total Coliform Rule
Dec 1, 2022	Dec 31, 2022	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Dec 31, 2022	Revised Total Coliform Rule
Dec 1, 2022	Dec 31, 2022	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Dec 31, 2022	Revised Total Coliform Rule
Oct 1, 2022	Dec 31, 2022	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2022	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022	Dec 31, 2022	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2022	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022	Dec 31, 2022	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2022	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022	Dec 31, 2022	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2022	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022	Dec 31, 2022	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2022	Nitrate Rule
Jan 1, 2022	Dec 31, 2022	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2022	Nitrate Rule
Jan 1, 2022	Dec 31, 2022	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2022	Nitrate Rule
Jan 1, 2022	Dec 31, 2022	Nitrate-Nitrite	MR	No	Yes	—	—	—	Resolved	Dec 31, 2022	Nitrate Rule
Oct 1, 2020	Dec 31, 2020	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2020	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020	Dec 31, 2020	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2020	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020	Dec 31, 2020	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2020	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020	Dec 31, 2020	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2020	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020	Dec 31, 2020	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2020	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020	Dec 31, 2020	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2020	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020	Dec 31, 2020	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2020	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020	Dec 31, 2020	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2020	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020	Dec 31, 2020	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2020	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020	Dec 31, 2020	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2020	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020	Dec 31, 2020	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2020	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020	Dec 31, 2020	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2020	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017	Dec 31, 2017	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2017	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017	Dec 31, 2017	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2017	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017	Dec 31, 2017	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2017	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017	Dec 31, 2017	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2017	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Mar 16, 2018	Consumer Confidence Rule
Jul 1, 2016	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Mar 16, 2018	Consumer Confidence Rule
Jul 1, 2015	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Mar 16, 2018	Consumer Confidence Rule
Jul 1, 2015	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Mar 16, 2018	Consumer Confidence Rule
Jul 1, 2014	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Mar 16, 2018	Consumer Confidence Rule
Jul 1, 2014	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Mar 16, 2018	Consumer Confidence Rule
Jul 1, 2012	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Mar 16, 2018	Consumer Confidence 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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