MARION, OH · Marion County
WALNUT CREST MHP #1 HOME Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of October 1, 1994. 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 Marion 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)
- OH5100912
- System type
- Community Water System
- Population served
- 41
- Service connections
- 18
- Ownership
- privately owned
- Water source
- groundwater (wells)
WALNUT CREST MHP #1 HOME is one of 1,399 community water systems in Ohio in the 500 or fewer people size category, formerly serving 41 people from groundwater.
EPA's federal records list this system as inactive in 1994; the record below is historical.
As of August 1, 2026, its federal record holds 6 entries in 1986, all of which EPA lists as closed. Nothing has been added since 1986.
All 6 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.
Violation history
Monitoring, Regular
—Nitrate
December 30, 1986 – December 29, 1989
ResolvedMonitoring, Regular
—Arsenic
October 1, 1986 – September 30, 1989
ArchivedMonitoring, Regular
—Chromium
October 1, 1986 – September 30, 1989
ArchivedMonitoring, Regular
—Fluoride
October 1, 1986 – September 30, 1989
ArchivedMonitoring, Regular
—Mercury
October 1, 1986 – September 30, 1989
ArchivedMonitoring, Regular
—Selenium
October 1, 1986 – September 30, 1989
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 |
|---|---|---|---|---|
| December 30, 1986 – December 29, 1989 | Monitoring, Regular | Nitrate | — | Resolved |
| October 1, 1986 – September 30, 1989 | Monitoring, Regular | Arsenic | — | Archived |
| October 1, 1986 – September 30, 1989 | Monitoring, Regular | Chromium | — | Archived |
| October 1, 1986 – September 30, 1989 | Monitoring, Regular | Fluoride | — | Archived |
| October 1, 1986 – September 30, 1989 | Monitoring, Regular | Mercury | — | Archived |
| October 1, 1986 – September 30, 1989 | 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
- January 12, 1990State Formal Notice of Violation issued20 linked violations
- January 8, 1987State Public Notification received8 linked violations
Last known contact on file (system is inactive)
Not on record
440-564-2279
MARION, OH 43302