About SELS
Our laboratory is comprised of organic analysis, inorganic analysis, and customer assistance groups. We provide chemical, bacteriological, and radiological analysis of a wide array of sample types including drinking water, surface water, wastewater, sediments, fish tissues, soil, wastes, and more.
- Consumption Updates
- Social Media
- Sample Cooler
Do You Need Your Water Tested?
Our staff and services support state and federal drinking water compliance programs, clean water monitoring programs, private citizen well water analysis, and technical assistance services. Our laboratory also supports waste water facility compliance programs, hazardous waste and environmental complaints programs, and emergency response efforts. The State Environmental Laboratory also has a robust Quality Management System that encompasses a wide range of laboratory operations that allows us to achieve and maintain high levels of accuracy and proficiency.
Below you will find links to our Quality Assurance documents that explain more about our laboratory programs.
Contact SELS:
Physical Address and Courier Delivery:
Oklahoma Department of Environmental Quality
State Environmental Lab Services Division
707 N Robinson Ave
Oklahoma City, OK 73102
Mailing Address - U.S. Postal Service:
Oklahoma Department of Environmental Quality
State Environmental Lab Services Division
P.O. Box 1677
Oklahoma City, OK 73101
Phone Numbers:
General Phone Number: 405-702-1000
Fax Number: 405-702-1080
Toll Free: 1-866-412-3057
Email:
Use our Contact Form
Business Hours:
Monday-Friday 8:00 a.m. to 4:30 p.m. (Closed on State Holidays.)
Inclement weather may affect these hours. Call ahead before delivery.
