Drinking Water Compliance OS

UNION, MO · Washington County

HARPER VALLEY TRAILER PARK Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of February 7, 2011. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Washington County, MO.

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 Missouri’s official records. Always confirm current status with Missouri before making decisions based on this information.

System facts

System ID (PWSID)
MO4040230
System type
Community Water System
Population served
55
Service connections
26
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2010 – November 30, 2010

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 2010 – October 31, 2010

    Archived
  • Public Notification Violation for NPDWR Violation

    Public Notice

    September 11, 2010 – February 7, 2011

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2010 – February 7, 2011

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 2010 – July 31, 2010

    Archived
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    October 1, 2009 – February 7, 2011

    Archived
  • Monitoring, Regular

    Nitrate-Nitrite

    January 1, 2007 – December 31, 2007

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    September 4, 2006 – December 31, 2010

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 2006 – August 31, 2006

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Barium

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Antimony, Total

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Beryllium, Total

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Selenium

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2001 – August 31, 2001

    Archived
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2001 – November 18, 2005

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    January 1, 1997 – December 31, 1996

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 1993 – January 31, 1993

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 1992 – December 31, 1992

    Resolved

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

Enforcement actions

Last known contact on file (system is inactive)

WITTENBORN, PRESTON

636-584-5260

UNION, MO 63084-0000