Governing Law and Regulations
Arkansas Water and Air Pollution Control Act, Arkansas Code Annotated (AR Code Ann.) 8-4-201 to 8-4-231
State administration of the National Pollutant Discharge Elimination System (NPDES) permit program: Arkansas Regulation (AR Reg.) 6.101 to 6.601
Industrial users: AR Reg. 6.203
Arkansas Department of Environmental Quality (ADEQ) Water Division NPDES Branch
U.S. Environmental Protection Agency (EPA) Region 6
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Arkansas is fully authorized by EPA to administer the NPDES pretreatment program in Arkansas. See the national section PRETREATMENT STANDARDS and contact ADEQ for more information. ADEQ serves as the approval authority in compliance assurance audits and pollution prevention assessments that occur every 5 years and during annual inspections at all pretreatment-related facilities in the state.
There are 24 approved pretreatment programs (cities) in the state that regulate permits for approximately 300 significant indirect discharging industries. These pretreatment cities are required to implement procedures and enforce the national pretreatment standards. There are also non-pretreatment cities in the state that are not required to implement the federal procedures, but are required to meet the minimum sampling and reporting requirements in 40 CFR 403.12.
• Administration and enforcement. ADEQ's NPDES Branch in the Water Division administers the state's water quality program and enforces pretreatment requirements in Arkansas.
Arkansas defines pretreatment as the ...