Drinking Water Compliance OS

MOUNT VERNON, OH · Knox County

GRANDVIEW MHP- A Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of December 1, 1999. 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 Knox County, OH.

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)
OH4200312
System type
Community Water System
Population served
72
Service connections
44
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    December 31, 1986 – December 30, 1990

    Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

No enforcement actions on record for this system.

Last known contact on file (system is inactive)

Not on record

Phone not on record

MOUNT VERNON, OH 43050