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The Division of Drinking and Ground Waters ensures compliance with the federal Safe Drinking Water Act and evaluates potential threats to source waters that supply Ohio's more than 4,800 public drinking water systems. The division has a lead role for statewide ground water protection in cooperation with other state and federal agencies, implements a ground water quality monitoring program and provides technical assistance to the Agency's waste management divisions.
Protect human health and the environment by characterizing and protecting ground water quality and ensuring that Ohio's public water systems provide adequate supplies of safe drinking water.
The citizens of Ohio know that their drinking water, whether it comes from wells or surface water, is safe to drink. Everyone in the state can easily obtain information about the quality of drinking water and ground water in their area, their region and the entire state.
The Division of Drinking and Ground Water's (DDAGW) Drinking Water Program manages the federally delegated drinking water program and implements both state and federal Safe Drinking Water statutes and rules adopted under these laws. To carry out the program, DDAGW:
Drinking Water Staff also:
The Division of Drinking and Ground Water's (DDAGW) Ground Water Program:
In addition to the above mentioned direct activities, the Division's Ground Water Program acts as a consultant to other divisions in the Agency on all matters relating to ground water. This work is carried out under memorandums of understanding, which spell out what work will be done by each party and the amount of funding that the contracting division will provide the Ground Water Program. The contracting divisions are:
Additionally, technical assistance is provided to other agency and state programs (e.g., the Division of Surface Water, the Drinking Water Program, the Bureau of Underground Storage Tank Regulations [BUSTR]), industry, public officials and the general public on various ground water programs, ground water quality, hydrogeology and other related information.
The Division of Drinking and Ground Waters oversees several programs that protect Ohio's drinking and ground waters. They include:
The largest section of DDAGW is involved with overseeing public water systems.
Phone: (614) 644-2752 Fax: (614) 644-2909
Physical address: Ohio EPA - DDAGW Lazarus Government Center 50 W. Town St., Suite 700 Columbus, OH 43215
Mailing address: Ohio EPA - DDAGW Lazarus Government Center 50 W. Town St., Suite 700 P.O. Box 1049 Columbus, OH 43216-1049
For district contact information, please go to the district offices home page or view the county contacts.
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Ohio EPA is currently operating with most staff working remotely. If you are working with our staff on a current project and you know the name of the employee you are working with, email them at firstname.lastname@epa.ohio.gov or call them directly.
Ohio EPA's spill hotline should only be used to report emergencies involving the release of any material that impacts public health or the environment, including chemicals, petroleum, manure, fires/explosions, or to make an emergency notification to Ohio EPA as required by law or by permit.
The regulated community should use the main division number for routine business.
For all other calls, including complaints, questions, or concerns about environmental issues, please use the toll-free numbers listed below for the nearest district office or contact the public involvement coordinator for your region.
If you receive voice mail when contacting us, please leave a message including a call back phone number and someone will return your call the next business day. To reach a specific individual, please use our phone directory. We also encourage you to email your question or concern when possible.
For all other calls, including complaints, questions, or concerns about environmental issues, contact the nearest district office to get to the right person faster. For E-Check, call 1-800-CAR-TEST (1-800-227-8378).
When reporting a spill, release or environmental crime through the spill hotline, be prepared with as much of the following information as possible:
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Division of Drinking and Ground Waters Phone: (614) 644-2752 ~ Fax: (614) 644-2909 Contact ~ Emergency Contacts Staff Contacts and Expertise ~ Electronic Mailing Lists
Mailing Address: P.O. Box 1049, Columbus, OH 43216-1049 Street Address: 50 West Town Street, Suite 700, Columbus, OH 43215 Report a Spill, Release or Environmental Crime (800) 282-9378 or (614) 224-0946
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