Governing Law and Regulations
Ohio Environmental Protection Agency (Ohio EPA) Division of Surface Water
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Ohio has established limited conditions and times when a wastewater variance will be granted. Ohio requires that there be no degradation of water quality that results in a violation of the applicable water quality criteria for the designated uses, unless authorized by a water quality standard variance.
• Administration and enforcement. Ohio EPA's Division of Surface Water is responsible for the administration and enforcement of the state's wastewater variance requirements.
Ohio EPA may grant a variance to a WQS, which is the basis of a water quality-based effluent limitation (WQBEL) included in a National Pollutant Discharge Elimination System (NPDES) permit. A WQS variance applies only to the permittee requesting the variance and only to the pollutant or pollutants specified in the variance. A variance does not affect, or require Ohio EPA to modify, the corresponding water quality standard for the water body.
WQS variances will not apply to:
- Any building, structure, facility, or installation from which there is or may be a "discharge of ...