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What is a Well?

As per the definition in Ohio Administrative Code (OAC) rule 3701-28-01 (NNNN)

""Well" means any excavation greater than ten feet below the ground surface regardless of design or method of construction that is done or used for any of the following purposes:

  1. Removing ground water for the provision of water for human consumption; or
  2. Determining the quality, quantity, or level of ground water in or the stratigraphy of an aquifer, excluding borings for instrumentation in dams, dikes or levees or highway embankments."

Rules and FAQs regarding Wells

     Subject       Rules        FAQs 
  Wells constructed prior to April 1, 2011   OAC rule 3701-28-02 (C), (D), (E), (F), (G), and (I)    FAQ02 
  Materials    OAC rule 3701-28-09    FAQ09,10,11 
  Construction    OAC rule 3701-28-10    FAQ09,10,11 
  Development, Start-up, Operation    OAC rule 3701-28-11    FAQ09,10,11 
  Sealing   OAC rule 3701-28-17    FAQ17 
  Non-potable well conversion to PWS    OAC 3701-28-03 (K)     

Rules and FAQs regarding All Private Water Systems (wells, ponds, springs, cisterns, and hauled water storage tanks)

     Subject        Rules       FAQs
  Definitions    OAC rule 3701-28-01   
  Scope, Responsibility, and Applicability     OAC rule 3701-28-02    FAQ02
  Permit, System Approval, and Sampling Requirements   OAC rule 3701-28-03    FAQ03 
  Emergency Construction and Emergency Alteration    OAC rule 3701-28-03 (H)     
  Inspection; Water Sample Collection and Analysis and Water Quality Standards     OAC rule 3701-28-04    FAQ04 
  Location, Operation, and Maintenance    OAC rule 3701-28-07    FAQ07 
  Requirements for all Private Water Systems    OAC rule 3701-28-08    FAQ08 
  Continuous Disinfection and Cyst Reduction Filtration    OAC rule 3701-28-15    FAQ15 

Rule Index of well construction, methods, materials, and components (link to separate page)

Forms and Resources

Free Online Training for Homeowners with Water Wells at

  • Sponsored by USEPA, RCAR, Illinois State Water Survey, Illinois WRC, and the University of Illinois at Urbana-Champaign

Well Safety and Maintenance Guides and Fact Sheets

Additional Guides

The following guides have not been updated to meet the current construction and sealing requirements in OAC Chapter 3701-28 (Private Water Systems Rules) effective April 1, 2011. Refer to the Private Water Systems Rules and contact your Local Health District prior to constructing, altering, and sealing a well.


Page updated: 01/20/2017