Drinking Water Compliance OS

BISMARCK, MO · Iron County

PILOT KNOB RURAL WATER DIST #1 SOUTH Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of February 3, 2005. 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 Iron 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)
MO4020602
System type
Community Water System
Population served
100
Service connections
42
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Nitrate-Nitrite

    January 1, 1997 – December 31, 1997

    Archived
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    January 1, 1996 – December 31, 1995

    Resolved

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

Enforcement actions

No enforcement actions on record for this system.

Last known contact on file (system is inactive)

Not on record

573-734-2680

BISMARCK, MO 636240000