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-basedSurface Water Treatment Rule
May 1, 2009 – May 31, 2009
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
January 1, 2005 – January 31, 2005
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
December 1, 2004 – December 31, 2004
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
July 1, 2003 – July 31, 2003
ResolvedMonitoring, Regular
—Atrazine
May 1, 2002 – July 31, 2002
ResolvedMonitoring, Regular
—LASSO
May 1, 2001 – July 31, 2001
ResolvedMonitoring, Regular
—Atrazine
May 1, 2001 – July 31, 2001
ResolvedMonitoring, Regular
—Simazine
May 1, 2001 – July 31, 2001
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2000 – July 10, 2000
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 1994 – December 31, 1994
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
September 1, 1992 – September 30, 1992
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
July 1, 1992 – July 31, 1992
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| May 1, 2009 – May 31, 2009 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| January 1, 2005 – January 31, 2005 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| December 1, 2004 – December 31, 2004 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| July 1, 2003 – July 31, 2003 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| May 1, 2002 – July 31, 2002 | Monitoring, Regular | Atrazine | — | Resolved |
| May 1, 2001 – July 31, 2001 | Monitoring, Regular | LASSO | — | Resolved |
| May 1, 2001 – July 31, 2001 | Monitoring, Regular | Atrazine | — | Resolved |
| May 1, 2001 – July 31, 2001 | Monitoring, Regular | Simazine | — | Resolved |
| July 1, 2000 – July 10, 2000 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 1994 – December 31, 1994 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| September 1, 1992 – September 30, 1992 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 1992 – July 31, 1992 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- June 11, 2009State Public Notification requested4 linked violations
- November 7, 2003State Public Notification received15 linked violations
Contact
BAYLESS, MIYAH
937-333-6099
DAYTON, OH 45414