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OSAGE CO RWD #21

Oklahoma — Community Water System — PWSID: OK2003616

System Information

PWSIDOK2003616
System NameOSAGE CO RWD #21
System TypeCommunity Water System
Water SourceGround Water Under Influence
Activity StatusActive
Owner TypeLocal
EPA Region06
Serves SchoolNo
WholesalerNo
First ReportedJan 5, 1982
Last ReportedNov 14, 2025

Location & Contact

StateOklahoma
CitySHIDLER
ZIP Code74652
AddressJill Gray, Chairperson
OrganizationOSAGE CO RWD #21
Phone918-433-2225

Population & Service

Population Served1,500
Service Connections566

Drinking Water Violations (404)

This water system has 404 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 1, 2025 Aug 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Aug 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2025 Jul 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Jul 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2025 Jul 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Jul 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2025 — Consumer Confidence Rule Other No No — — — Unaddressed — Consumer Confidence Rule
Jun 1, 2025 Jun 30, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Jun 30, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2025 Jun 30, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Jun 30, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 1, 2025 May 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived May 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 1, 2025 May 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived May 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 1, 2025 May 31, 2025 Chlorine MR No Yes — 4.0 mg/L — Archived May 31, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
May 1, 2025 May 31, 2025 Chlorine MR No Yes — 4.0 mg/L — Archived May 31, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Apr 30, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Apr 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Apr 30, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Apr 30, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2025 Apr 30, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Apr 30, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2025 Apr 30, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Apr 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Apr 30, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Apr 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2025 Mar 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Mar 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2025 Mar 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Mar 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2025 Feb 28, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Feb 28, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2025 Feb 28, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Feb 28, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2025 Feb 28, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2025 Revised Total Coliform Rule
Feb 1, 2025 Feb 28, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Feb 28, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2025 Feb 28, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2025 Revised Total Coliform Rule
Feb 1, 2025 Feb 28, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Feb 28, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2025 Feb 28, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2025 Revised Total Coliform Rule
Feb 1, 2025 Feb 28, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Feb 28, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2025 Jan 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Jan 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2025 Jan 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Jan 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2025 Jan 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Jan 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2025 Jan 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Jan 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Nov 1, 2024 Nov 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Nov 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2024 Nov 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Nov 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2024 Nov 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Nov 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Unaddressed — Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Oct 1, 2024 Oct 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2024 Oct 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2024 Oct 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2024 Revised Total Coliform Rule
Sep 1, 2024 Sep 30, 2024 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2024 Revised Total Coliform Rule
Sep 1, 2024 Sep 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2024 Revised Total Coliform Rule
Sep 1, 2024 Sep 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2024 Sep 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2024 Sep 30, 2024 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2024 Aug 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2024 Revised Total Coliform Rule
Aug 1, 2024 Aug 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2024 Revised Total Coliform Rule
Aug 1, 2024 Aug 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Aug 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2024 Aug 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Aug 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts 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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