HANNA PWA

Oklahoma — Community Water System — PWSID: OK2004902

System Information

PWSID	OK2004902
System Name	HANNA PWA
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	Mar 11, 1980
Last Reported	Nov 14, 2025

Location & Contact

State	Oklahoma
City	HANNA
ZIP Code	74845
Address	Mr. Steven Garner, Chairman
Organization	HANNA PUBLIC WORKS AUTHORITY
Phone	918-657-2255

Population & Service

Population Served	133
Service Connections	103

Drinking Water Violations (160)

This water system has 160 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
Aug 20, 2025	—	E. COLI	MR	No	Yes	—	—	—	Unaddressed	—	Ground Water Rule
Aug 1, 2025	Aug 31, 2025	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Archived	Aug 31, 2025	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 17, 2024	—	LEAD AND COPPER RULE REVISIONS	RPT	No	No	—	—	—	Unaddressed	—	Lead and Copper Rule Revisions
Oct 17, 2024	—	LEAD AND COPPER RULE REVISIONS	TT	Yes	No	—	—	—	Unaddressed	—	Lead and Copper Rule Revisions
Sep 5, 2023	—	E. COLI	MR	No	Yes	—	—	—	Unaddressed	—	Ground Water Rule
Sep 5, 2023	—	E. COLI	MR	No	Yes	—	—	—	Unaddressed	—	Ground Water Rule
Sep 5, 2023	—	E. COLI	MR	No	Yes	—	—	—	Unaddressed	—	Ground Water Rule
Nov 1, 2022	—	E. COLI	MR	No	Yes	—	—	—	Unaddressed	—	Ground Water Rule
Nov 1, 2022	—	E. COLI	MR	No	Yes	—	—	—	Unaddressed	—	Ground Water Rule
Nov 1, 2022	—	E. COLI	MR	No	Yes	—	—	—	Unaddressed	—	Ground Water Rule
Oct 2, 2022	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jan 20, 2023	Consumer Confidence Rule
Oct 2, 2022	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jan 20, 2023	Consumer Confidence Rule
Jul 1, 2021	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jan 20, 2023	Consumer Confidence Rule
Jul 1, 2021	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jan 20, 2023	Consumer Confidence Rule
Oct 2, 2020	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jan 20, 2023	Consumer Confidence Rule
Oct 2, 2020	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jan 20, 2023	Consumer Confidence Rule
Sep 8, 2020	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Aug 13, 2021	Ground Water Rule
Sep 8, 2020	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Aug 13, 2021	Ground Water Rule
Sep 8, 2020	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Aug 13, 2021	Ground Water Rule
Sep 8, 2020	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Aug 13, 2021	Ground Water Rule
Jul 1, 2020	Sep 30, 2020	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2020	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020	Sep 30, 2020	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2020	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020	Sep 30, 2020	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2020	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020	Sep 30, 2020	Chlorine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2020	Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 2, 2019	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jan 20, 2023	Consumer Confidence Rule
Dec 2, 2019	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jan 20, 2023	Consumer Confidence Rule
Oct 1, 2017	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 27, 2018	Lead and Copper Rule
Oct 1, 2017	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 27, 2018	Lead and Copper Rule
Oct 1, 2017	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 27, 2018	Lead and Copper Rule
Jul 1, 2017	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Dec 12, 2018	Consumer Confidence Rule
Jul 1, 2017	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Dec 12, 2018	Consumer Confidence Rule
Jul 1, 2016	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Dec 12, 2018	Consumer Confidence Rule
Jul 1, 2016	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Dec 12, 2018	Consumer Confidence Rule
Aug 11, 2015	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Feb 27, 2018	Ground Water Rule
Aug 11, 2015	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Feb 27, 2018	Ground Water Rule
Aug 11, 2015	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Feb 27, 2018	Ground Water 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
Jul 1, 2015	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Dec 12, 2018	Consumer Confidence Rule
Jul 1, 2015	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Dec 12, 2018	Consumer Confidence 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
Jul 1, 2014	Jul 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2014	Total Coliform Rule
Jul 1, 2014	Jul 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2014	Total Coliform Rule
Jul 1, 2014	Jul 31, 2014	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jul 31, 2014	Total Coliform Rule
Jun 1, 2014	Jun 30, 2014	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2014	Total Coliform Rule
Jun 1, 2014	Jun 30, 2014	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2014	Total Coliform Rule
Jun 1, 2014	Jun 30, 2014	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jun 30, 2014	Total Coliform Rule
Dec 1, 2013	Dec 31, 2013	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2013	Total Coliform Rule
Dec 1, 2013	Dec 31, 2013	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Dec 31, 2013	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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