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DELAWARE CO RWD # 1

Oklahoma — Community Water System — PWSID: OK3002134

System Information

PWSIDOK3002134
System NameDELAWARE CO RWD # 1
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region06
Serves SchoolNo
WholesalerNo
First ReportedFeb 1, 1989
Last ReportedNov 14, 2025

Location & Contact

StateOklahoma
CityEUCHA
ZIP Code74342
AddressMelanie Sixkiller Manager
OrganizationDELAWARE CO RWD # 1
Phone918-253-4546

Population & Service

Population Served465
Service Connections501

Drinking Water Violations (52)

This water system has 52 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, 2023 Mar 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Mar 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Mar 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Mar 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Oct 5, 2023 Lead and Copper Rule
Oct 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Oct 5, 2023 Lead and Copper Rule
Oct 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Oct 5, 2023 Lead and Copper Rule
Oct 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Oct 5, 2023 Lead and Copper Rule
Nov 1, 2017 Nov 30, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2017 Revised Total Coliform Rule
Nov 1, 2017 Nov 30, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2017 Revised Total Coliform Rule
Nov 1, 2017 Nov 30, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2017 Revised Total Coliform Rule
Nov 1, 2017 Nov 30, 2017 Revised Total Coliform Rule MON No Yes — — — 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
Jun 30, 2016 — Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Mar 6, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 30, 2016 — Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Mar 6, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2015 — TTHM MR No No — 0.080 mg/L — Resolved Mar 6, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2015 — TTHM MR No No — 0.080 mg/L — Resolved Mar 6, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 29, 2015 — TTHM MR No No — 0.080 mg/L — Resolved Mar 6, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 29, 2015 — TTHM MR No No — 0.080 mg/L — Resolved Mar 6, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Sep 30, 2015 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Sep 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Sep 30, 2015 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Sep 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Sep 30, 2015 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Sep 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Sep 30, 2015 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Sep 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Jun 10, 2015 Consumer Confidence Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Jun 10, 2015 Consumer Confidence Rule
Jul 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Jun 10, 2015 Consumer Confidence Rule
Jul 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Jun 10, 2015 Consumer Confidence Rule
Jul 1, 2012 — Consumer Confidence Rule Other No No — — — Resolved Jun 10, 2015 Consumer Confidence Rule
Jul 1, 2008 Jun 30, 2009 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2009 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2008 Jun 30, 2009 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2009 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2008 Jun 30, 2009 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2009 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2008 Jun 30, 2009 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2009 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2008 Jun 30, 2009 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2009 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2008 Jun 30, 2009 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2009 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2003 Jul 31, 2003 Coliform (TCR) MR No No — 5% of samples — Archived Jul 31, 2003 Total Coliform Rule
Jul 1, 2003 Jul 31, 2003 Coliform (TCR) MR No No — 5% of samples — Archived Jul 31, 2003 Total Coliform Rule
Dec 1, 2002 Dec 31, 2002 Coliform (TCR) MR No No — 5% of samples — Archived Dec 31, 2002 Total Coliform Rule
Dec 1, 2002 Dec 31, 2002 Coliform (TCR) MR No No — 5% of samples — Archived Dec 31, 2002 Total Coliform Rule
Nov 1, 1998 Nov 30, 1998 Coliform (TCR) MR No Yes — 5% of samples — Resolved Nov 30, 1998 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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