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The Northwestern Regional Laboratory is located in Enid, Oklahoma.

Operating hours are 8 a.m. to 5 p.m. Monday through Friday with the exception of state holidays.

If assistance is required, please call the number listed below or (405) 848-6724 or 1-800-522-8017 if outside Oklahoma City and assistance will be provided.

The Northwestern Regional Laboratory provides Forensic Chemistry services to the Northwestern counties of Oklahoma.

Click here for a list of counties the Northwestern Regional Laboratory serves.


Evidence Acceptance Hours:

Evidence will be accepted between 8 AM-4 PM Monday through Friday.

Officers submitting evidence must be at our facility before 4:00 PM to begin submitting evidence.  Our Evidence Tech Units will close promptly at 5:00 PM each day.  As a result, if an evidence submittal is started before 4:00 PM but not completed by 5:00 PM, the remaining evidence will be returned to the officer, and he/she will be required to return the next business day to complete the evidence submittal.  

Therefore, to avoid any inconvenience, officers with large amounts of evidence to submit are encouraged to submit the evidence to the OSBI lab early in the day.


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OSBI Northwestern Regional Laboratory

1305 E. Owen K. Garriot Road
Enid, OK  73701

Main Phone:  580-242-2600
Fax:  580-234-8707

Directions to Northwestern Regional Laboratory