Programs
Enforcement
Enforcement and Administrative Penalty Programs
Learn more about enforcement actions taken by the Division of Drinking and Ground Waters for violations of the Safe Drinking Water rules.
Operator and Laboratory Certifications
Laboratory Certification
Locate a certified laboratory and get guidance about how to become a certified laboratory including resources and reporting.
Operator Certification
Certifies water and wastewater system operators to ensure public water and wastewater systems are operated by properly trained and qualified individuals.
Public Water Systems
The largest section of DDAGW is involved with overseeing public water systems.
Public Water Systems
A comprehensive list of information pertaining to public water system operating and compliance.
Asset Management
The intent of an asset management program (AMP) is to provide public water systems with a tool to better manage, operate, and maintain their water system so that they can cost-effectively and consistently meet safe drinking water requirements.
Data Reporting
Reporting requirements and form submission for public water systems and certified laboratories.
Engineering and Plan Approval
Plan reviews and guidance for drinking water facilities, backflow prevention and cross-connection control.
Financial Assistance
Coordinates several programs that offer below market rate loans to eligible public water systems to fund improvements to eliminate public health threats and ensure compliance with federal and state drinking water laws and regulations.
Harmful Algae Blooms (HABs)
In Ohio, public water systems with a surface water source(s) must comply with HAB monitoring and reporting rule requirements (OAC 3745-90-03).
Lead and Copper
Includes required forms, summaries of key requirements, other helpful documents and answers to frequently asked questions regarding the lead and copper rule.
License to Operate (LTO)
In Ohio, public water systems (PWSs) are required to obtain a license to operate (LTO) from Ohio EPA. The LTO indicates the PWS is approved by the Agency to supply drinking water to the public and must be prominently displayed at the facility. PWS are required to renew their license every year.
Public Water System Monitoring
Includes public water system monitoring and guidance, monitoring schedules and how to report results to the Ohio EPA (electronic data reporting).
Revised Total Coliform Rule (RTCR)
Includes required forms, summaries of key requirements, other helpful documents and answers to frequently asked questions about the revised total coliform rule.
Rules, Policies and Guidance
Rules
Ohio Administrative Code (OAC) rules administered by the Division of Drinking and Ground Waters are located on the Rules page.
Policies and Guidance
Current effective policy and guidance documents related to the safe drinking water program are included on the Rules page.
Emergency Preparedness and Security
Emergency Preparedness and Security
Tools and resources to help water systems prepare for, respond to and recover from emergency events. A quick and effective response to emergency events is critical for protection of public health and the environment.
Cybersecurity
Learn more about financial assistance and technical support for cybersecurity concerns.
Disruptions of Service
Public water systems that have the pressure fall below 20 psig in the distribution system are required to complete response requirements in OAC Rule 3745-83-02. These requirements are summarized on the disruption of service webpage, which includes many helpful resources.
Source Water Characterization and Protection
Ground Water Quality Characterization
The Ground Water Quality Characterization Program (GWQCP) monitors ambient ground water quality conditions, identifies ground water contamination, and recommends strategies for preventing contamination.
Harmful Algae Blooms (HABs)
In Ohio, public water systems with a surface water source(s) must comply with harmful algal bloom (HAB) monitoring and reporting rule requirements (OAC 3745-90-03).
Source Water Assessment and Protection
The Source Water Assessment and Protection (SWAP) Program assists public water suppliers with protecting sources of drinking water (rivers, streams, lakes, reservoirs, and aquifers) from contamination.
Underground Injection Control
Underground Injection Control
The UIC program is responsible for the regulation of Class I, IV and V injection wells, and for assuring that their operation does not contaminate underground sources of drinking water.