Drinking Water Compliance OS

09

WMATUA Canyon Day Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of January 1, 2000. 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 09.

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 EPA Region 9’s official records. Always confirm current status with EPA Region 9 before making decisions based on this information.

System facts

System ID (PWSID)
090400080
System type
Community Water System
Population served
25
Service connections
1
Ownership
Native American tribal
Water source
groundwater (wells)

Violation history

  • Maximum Contaminant Level Violation, Acute (TCR)

    Health-based

    Coliform (TCR)

    December 1, 1996 – December 31, 1996

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 1994 – June 30, 1994

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 1994 – January 31, 1994

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 1993 – December 31, 1993

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 1992 – September 30, 1992

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 1992 – February 29, 1992

    Archived

Archived 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

Phone not on record