CELINA, OH · Mercer County
MERCER COUNTY HOME 1 PWS Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of October 31, 2003. 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 Mercer County, OH.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
- OH5400712
- System type
- Community Water System
- Population served
- 32
- Service connections
- 1
- Ownership
- privately owned
- Water source
- groundwater (wells)
MERCER COUNTY HOME 1 PWS is one of 1,399 community water systems in Ohio in the 500 or fewer people size category, formerly serving 32 people from groundwater.
EPA's federal records list this system as inactive in 2003; the record below is historical.
As of August 1, 2026, its federal record holds 35 entries between 1985 and 2002, all of which EPA lists as closed. Nothing has been added since 2002.
Of the 35, 33 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves inorganic chemicals, the Consumer Confidence Rule, and the Radionuclides and Revised Rad Rule.
Violation history
Monitoring, Regular
—LASSO
July 1, 2002 – September 30, 2002
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2002 – October 31, 2003
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2000 – January 16, 2001
ResolvedMonitoring, Regular
—Fluoride
July 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Nitrate
July 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Antimony, Total
July 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Beryllium, Total
July 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Nickel
July 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Thallium, Total
July 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Arsenic
July 1, 1997 – December 31, 1997
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 1997 – December 31, 1997
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 1995 – October 31, 1995
ArchivedMonitoring, Regular
—Thallium, Total
July 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Nitrate
July 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Mercury
July 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Asbestos
July 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Arsenic
July 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Barium
July 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Cadmium
July 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Chromium
July 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—CYANIDE
July 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Fluoride
July 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Nickel
July 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Selenium
July 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Antimony, Total
July 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Beryllium, Total
July 1, 1994 – December 31, 1994
ResolvedMonitoring, Regular
—Arsenic
October 1, 1985 – June 30, 1990
ArchivedMonitoring, Regular
—Barium
October 1, 1985 – June 30, 1990
ArchivedMonitoring, Regular
—Cadmium
October 1, 1985 – June 30, 1990
ArchivedMonitoring, Regular
—Chromium
October 1, 1985 – June 30, 1990
ArchivedMonitoring, Regular
—Fluoride
October 1, 1985 – June 30, 1990
ArchivedMonitoring, Regular
—Mercury
October 1, 1985 – June 30, 1990
ArchivedMonitoring, Regular
—Nitrate
October 1, 1985 – June 30, 1990
ArchivedMonitoring, Regular
—Selenium
October 1, 1985 – June 30, 1990
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2002 – September 30, 2002 | Monitoring, Regular | LASSO | — | Resolved |
| July 1, 2002 – October 31, 2003 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2000 – January 16, 2001 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 1997 – December 31, 1997 | Monitoring, Regular | Fluoride | — | Resolved |
| July 1, 1997 – December 31, 1997 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 1997 – December 31, 1997 | Monitoring, Regular | Antimony, Total | — | Resolved |
| July 1, 1997 – December 31, 1997 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| July 1, 1997 – December 31, 1997 | Monitoring, Regular | Nickel | — | Resolved |
| July 1, 1997 – December 31, 1997 | Monitoring, Regular | Thallium, Total | — | Resolved |
| July 1, 1997 – December 31, 1997 | Monitoring, Regular | Arsenic | — | Resolved |
| July 1, 1997 – December 31, 1997 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| October 1, 1995 – October 31, 1995 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| July 1, 1994 – December 31, 1994 | Monitoring, Regular | Thallium, Total | — | Resolved |
| July 1, 1994 – December 31, 1994 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| July 1, 1994 – December 31, 1994 | Monitoring, Regular | Nitrate | — | Resolved |
| July 1, 1994 – December 31, 1994 | Monitoring, Regular | Mercury | — | Resolved |
| July 1, 1994 – December 31, 1994 | Monitoring, Regular | Asbestos | — | Resolved |
| July 1, 1994 – December 31, 1994 | Monitoring, Regular | Arsenic | — | Resolved |
| July 1, 1994 – December 31, 1994 | Monitoring, Regular | Barium | — | Resolved |
| July 1, 1994 – December 31, 1994 | Monitoring, Regular | Cadmium | — | Resolved |
| July 1, 1994 – December 31, 1994 | Monitoring, Regular | Chromium | — | Resolved |
| July 1, 1994 – December 31, 1994 | Monitoring, Regular | CYANIDE | — | Resolved |
| July 1, 1994 – December 31, 1994 | Monitoring, Regular | Fluoride | — | Resolved |
| July 1, 1994 – December 31, 1994 | Monitoring, Regular | Nickel | — | Resolved |
| July 1, 1994 – December 31, 1994 | Monitoring, Regular | Selenium | — | Resolved |
| July 1, 1994 – December 31, 1994 | Monitoring, Regular | Antimony, Total | — | Resolved |
| July 1, 1994 – December 31, 1994 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| October 1, 1985 – June 30, 1990 | Monitoring, Regular | Arsenic | — | Archived |
| October 1, 1985 – June 30, 1990 | Monitoring, Regular | Barium | — | Archived |
| October 1, 1985 – June 30, 1990 | Monitoring, Regular | Cadmium | — | Archived |
| October 1, 1985 – June 30, 1990 | Monitoring, Regular | Chromium | — | Archived |
| October 1, 1985 – June 30, 1990 | Monitoring, Regular | Fluoride | — | Archived |
| October 1, 1985 – June 30, 1990 | Monitoring, Regular | Mercury | — | Archived |
| October 1, 1985 – June 30, 1990 | Monitoring, Regular | Nitrate | — | Archived |
| October 1, 1985 – June 30, 1990 | Monitoring, Regular | Selenium | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- March 11, 2003State Public Notification requested31 linked violations
- January 16, 2001State Compliance achieved4 linked violations
- October 9, 1986State Public Notification received8 linked violations
- May 17, 1984State Public Notification received1 linked violation
- November 21, 1983State Public Notification received1 linked violation
Last known contact on file (system is inactive)
Not on record
419-584-3178
CELINA, OH 45822