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DDAGW Effective Rules

Ohio Administrative Code (OAC) rules administered by the Division of Drinking and Ground Waters (DDAGW) are located on this page. These include rules for Ohio public drinking water systems adopted under Ohio Revised Code (ORC) chapter 6109, and rules for Underground Injection Control, adopted under ORC section 6111.043.

Ohio EPA also issues policy and guidance documents related to the implementation of rules in the safe drinking water program.

Search Tips

View a complete copy of all effective DDAGW rules (Last revised Feb. 15, 2023). To search for individual rules, use the table below. Type the rule number or keyword into the search bar. The table can also be sorted by any column - click on the arrow to the right of the column title. 

Chapter References

Additional Information and Resources

Electronic versions of policies and guidance may be viewed by clicking on the appropriate tab within the policies and guidance page.

Links to outside sites which may be of use to individuals interested in rules or the rule-making process include the Register of Ohio, which contains all state agency rule proposal packages and the Joint Committee on Agency Rule Review, which is the legislative committee responsible for the review and processing of all state agency rules.

All State of Ohio rules and regulations are available online through Ohio's Official Online Publication of State Laws and Regulations. Because the online documents may not be updated as soon as changes are made, we recommend that you follow the links below to see specific rules and regulations by division to ensure that you are referencing the most current version.

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