Drinking Water Compliance OS

SHERIDAN, OR · Yamhill County

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

System facts

System ID (PWSID)
OR4100812
System type
Community Water System
Population served
350
Service connections
3
Ownership
public/private mix
Water source
groundwater (wells)

Violation history

  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2025 – July 29, 2025

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2024 – July 29, 2025

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    December 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    September 26, 2017 – October 13, 2017

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    October 1, 2014 – September 30, 2015

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    October 1, 2014 – September 30, 2015

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2010 – July 31, 2010

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2009 – January 31, 2009

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2009 – January 31, 2009

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2008 – November 30, 2008

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2000 – December 31, 2000

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 1996 – December 31, 1999

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    January 1, 1994 – December 5, 1994

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    June 1, 1976 – May 31, 1980

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    June 1, 1976 – May 31, 1980

    Archived

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

Enforcement actions

Contact

DELPHIAN SCHOOL

503-843-3521

SHERIDAN, OR 97378