Below are links from the Ohio Department of Health and the Ohio EPA for building occupants, owners and tenants that offers guidance on restoration of water service following a period of low usage. Also listed below is a link to guidelines for system flushing and disinfecting recommendations. These agencies have also developed recommended procedures that are posted at: https://epa.ohio.gov/Portals/28/documents/pws/ODH-OhioEPA-Building-Owners-Occupants-Tenants.pdf
If you have any questions regarding water service that has had low to no usage, you may contact the City of Groveport at (614) 836-5301.