Drinking Water Compliance OS

SHERIDAN LAKE, CO · Kiowa County

SHERIDAN LAKE WD Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Colorado’s official records. Always confirm current status with Colorado before making decisions based on this information.

System facts

System ID (PWSID)
CO0131800
System type
Community Water System
Population served
148
Service connections
64
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Public Notification Violation without NPDWR Violation

    Public Notice

    October 28, 2025 – December 4, 2025

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    June 6, 2025 – August 7, 2025

    Resolved
  • Public Notification Violation without NPDWR Violation

    Public Notice

    April 28, 2025 – August 7, 2025

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    March 8, 2025 – April 29, 2025

    Resolved
  • Public Notification Violation without NPDWR Violation

    Public Notice

    January 28, 2025 – August 7, 2025

    Resolved
  • Public Notification Violation without NPDWR Violation

    Public Notice

    October 28, 2024 – August 7, 2025

    Resolved
  • LSL Reporting

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024 – May 15, 2025

    Resolved
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    July 27, 2024 – August 20, 2025

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    October 1, 2023 – December 31, 2023

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Uranium

    April 1, 2023 – June 30, 2023

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    April 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    April 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Regular

    Barium

    April 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Regular

    Chromium

    April 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Regular

    Antimony, Total

    April 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    April 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    April 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    April 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    April 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    April 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Regular

    Benzene

    April 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Regular

    Toluene

    April 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    April 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Regular

    Methoxychlor

    April 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Regular

    OXAMYL

    April 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    April 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Regular

    LASSO

    April 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    April 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    April 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2022 – March 31, 2022

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    January 1, 2022 – February 1, 2022

    Resolved
  • Monitoring, Regular

    Chlordane

    October 1, 2021 – December 31, 2021

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Uranium

    April 1, 2020 – June 30, 2020

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2020 – December 31, 2022

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Uranium

    October 1, 2019 – December 31, 2019

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Uranium

    July 1, 2019 – September 30, 2019

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Uranium

    January 1, 2019 – March 31, 2019

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Uranium

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2015 – December 31, 2015

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Uranium

    January 1, 2015 – December 31, 2015

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Uranium

    January 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 2013 – January 31, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 2012 – January 31, 2012

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2011 – December 9, 2011

    Resolved
  • Monitoring, Regular

    Combined Uranium

    January 1, 2010 – December 31, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Uranium

    January 1, 2009 – December 31, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Uranium

    October 1, 2008 – December 31, 2008

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 2008 – August 31, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Uranium

    January 1, 2008 – March 31, 2008

    Resolved
  • Monitoring, Regular

    Beryllium, Total

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Selenium

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Nickel

    January 1, 2008 – December 31, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Uranium

    January 1, 2007 – March 31, 2007

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2005 – September 30, 2005

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    March 1, 1997 – March 31, 1997

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    January 1, 1997 – September 29, 1997

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    November 1, 1996 – November 30, 1996

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 1991 – May 31, 1991

    Archived
  • Monitoring, Regular

    Trichloroethylene

    January 1, 1991 – March 31, 1991

    Archived
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 1991 – March 31, 1991

    Archived
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 1991 – March 31, 1991

    Archived
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 1991 – March 31, 1991

    Archived
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 1991 – March 31, 1991

    Archived
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 1991 – March 31, 1991

    Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

CORNELIUS, DEBBIE

719-691-4353

SHERIDAN LAKE, CO 81071