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KETCHUM PWA DELAWARE CO SYSTEM

Oklahoma — Community Water System — PWSID: OK1221638

System Information

PWSIDOK1221638
System NameKETCHUM PWA DELAWARE CO SYSTEM
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region06
Serves SchoolNo
WholesalerNo
First ReportedJan 12, 1996
Last ReportedNov 14, 2025

Location & Contact

StateOklahoma
CityKETCHUM
ZIP Code74349
AddressAndy Millarr
OrganizationKETCHUM PWA DELAWARE CO SYSTEM
Phone918-782-2123

Population & Service

Population Served1,805
Service Connections1,233

Drinking Water Violations (41)

This water system has 41 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
Jan 1, 2020 Dec 31, 2022 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Archived Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Vinyl chloride MR No Yes — 0.002 mg/L — Archived Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Archived Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Archived Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Xylenes, Total MR No Yes — 10 mg/L — Archived Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Archived Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Archived Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Benzene MR No Yes — 0.005 mg/L — Archived Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Archived Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Archived Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Toluene MR No Yes — 1 mg/L — Archived Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Archived Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Archived Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 CHLOROBENZENE MR No Yes — 0.1 mg/L — Archived Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Trichloroethylene MR No Yes — 0.005 mg/L — Archived Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Carbon tetrachloride MR No Yes — 0.005 mg/L — Archived Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Archived Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Tetrachloroethylene MR No Yes — 0.005 mg/L — Archived Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Styrene MR No Yes — 0.1 mg/L — Archived Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2020 Dec 31, 2022 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Archived Dec 31, 2022 Volatile Organic Chemicals
Nov 1, 2017 Nov 30, 2017 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2017 Revised Total Coliform Rule
Nov 1, 2017 Nov 30, 2017 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2017 Revised Total Coliform Rule
Nov 1, 2017 Nov 30, 2017 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2017 Revised Total Coliform Rule
Nov 1, 2017 Nov 30, 2017 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2017 Revised Total Coliform 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, 2003 Jul 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2003 Total Coliform Rule
Jul 1, 2003 Jul 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2003 Total Coliform Rule
Jul 1, 2003 Jul 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2003 Total Coliform Rule
Jul 1, 2003 Jul 31, 2003 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2003 Total Coliform Rule
Jul 1, 2003 Jul 31, 2003 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2003 Total Coliform Rule
Jul 1, 2003 Jul 31, 2003 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2003 Total Coliform Rule
Jul 1, 2003 Jul 31, 2003 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2003 Total Coliform Rule
Jul 1, 2003 Jul 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2003 Total Coliform Rule
Mar 1, 1999 Mar 31, 1999 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 1999 Surface Water Treatment Rule
Dec 1, 1997 Dec 31, 1997 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 1997 Total Coliform Rule
Oct 1, 1997 Oct 31, 1997 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 1997 Total Coliform Rule
Sep 1, 1997 Sep 30, 1997 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 1997 Total Coliform Rule
Nov 1, 1996 Nov 30, 1996 Coliform (TCR) MR No Yes — 5% of samples — Resolved Nov 30, 1996 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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