Drinking Water Compliance OS

DAYTON, OH · Montgomery County

DAYTON PUBLIC WATER SYSTEM 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 Ohio’s official records. Always confirm current status with Ohio before making decisions based on this information.

System facts

System ID (PWSID)
OH5703512
System type
Community Water System
Population served
141,407
Service connections
50,351
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    May 1, 2009 – May 31, 2009

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    January 1, 2005 – January 31, 2005

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    December 1, 2004 – December 31, 2004

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    July 1, 2003 – July 31, 2003

    Resolved
  • Monitoring, Regular

    Atrazine

    May 1, 2002 – July 31, 2002

    Resolved
  • Monitoring, Regular

    LASSO

    May 1, 2001 – July 31, 2001

    Resolved
  • Monitoring, Regular

    Atrazine

    May 1, 2001 – July 31, 2001

    Resolved
  • Monitoring, Regular

    Simazine

    May 1, 2001 – July 31, 2001

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2000 – July 10, 2000

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    July 1, 1994 – December 31, 1994

    Resolved
  • Maximum Contaminant Level Violation, Acute (TCR)

    Health-based

    Coliform (TCR)

    September 1, 1992 – September 30, 1992

    Resolved
  • Maximum Contaminant Level Violation, Acute (TCR)

    Health-based

    Coliform (TCR)

    July 1, 1992 – July 31, 1992

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

BAYLESS, MIYAH

937-333-6099

DAYTON, OH 45414