Drinking Water Compliance OS

BOX ELDER, 08

ROCKY BOY'S RURAL WATER 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 EPA Region 8’s official records. Always confirm current status with EPA Region 8 before making decisions based on this information.

System facts

System ID (PWSID)
083090075
System type
Community Water System
Population served
2,000
Service connections
477
Ownership
Native American tribal
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    Nitrite

    July 1, 2025 – September 30, 2025

    Archived
  • Monitoring, Regular

    Asbestos

    October 1, 2021 – December 31, 2021

    Resolved
  • Monitoring, Regular

    Asbestos

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Antimony, Total

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    June 1, 1976 – May 31, 1980

    Archived
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    June 1, 1976 – May 31, 1980

    Archived

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

Enforcement actions

Contact

NAULT, TIM

406-301-1852

BOX ELDER, MT 59521