Governing Law and Regulations
Arizona Department of Environmental Quality (ADEQ) Water Quality Division
Arizona Department of Health Services (ADHS) Bureau of State Laboratory Services Office of Laboratory Licensure and Certification
U.S. Environmental Protection Agency (EPA) Region 9
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Arizona is authorized by EPA to administer the federal National Pollutant Discharge Elimination System (NPDES) permit program, and follows the federal requirements for biological and other laboratory testing of discharges.
The state administers a laboratory certification program for testing wastewater, drinking water, solid and hazardous waste, and air samples.
• Administration and enforcement. ADEQ's Water Quality Division administers and enforces the federal NPDES permit program in Arizona, including permitting for biological monitoring requirements. ADHS is responsible for licensing and annually testing laboratories that perform compliance monitoring tests.
AZ Admin. Code R 9-14-601 to 9-14-621
In order to obtain an environmental laboratory license, an applicant must submit a completed application with ...