Drinking Water Compliance OS

HIGH RIDGE, MO · Jefferson County

MASERANG ESTATES MHP Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of October 1, 1995. 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 Jefferson 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)
MO6048114
System type
Community Water System
Population served
37
Service connections
15
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 1995 – August 31, 1995

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 1995 – May 31, 1995

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 1994 – July 31, 1994

    Archived
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    January 1, 1994 – October 1, 1995

    Archived
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    October 1, 1993 – October 31, 1993

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 1993 – September 30, 1993

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 1993 – August 31, 1993

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 1993 – July 31, 1993

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 1993 – June 30, 1993

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 1992 – December 31, 1992

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 1992 – August 31, 1992

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 1992 – June 30, 1992

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 1992 – May 31, 1992

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 1992 – April 30, 1992

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 1991 – August 31, 1991

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 1991 – May 31, 1991

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 1991 – April 30, 1991

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 1991 – February 28, 1991

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 1991 – January 31, 1991

    Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Last known contact on file (system is inactive)

Not on record

314-677-3424

HIGH RIDGE, MO 63049