Criteria to become a registered environmental health specialist (REHS) include a diploma from an approved four-year high school or the equivalent and completion of a four-year degree from a college or university with a minor or 24 semester hours in environmental health, biological science or physical science. An applicant is required to pass a written examination in subjects specified by the Cabinet. An oral examination may supplement written examinations. Upon successfully passing the examinations, the applicant will be certified as a registered environmental health specialist or sanitarian.
Registered Environmental Health Specialist Examination Dates
The registered environmental health specialist examination is conducted once a month or 12 times a year, at least once per year in each region at locations determined by the committee. The exam consists of 270 multiple-choice and true/false environmental public health-related questions. The exam fee is $50.
Applicants must register 30 day prior to the test date. Applicants must furnish picture identification and arrive at least 15 minutes prior to test time.
REHS Application
Exam times (unless otherwise specified)
Section I - 10 a.m. - 12 p.m. Eastern Time
Section II 1 p.m. - 3 p.m. Eastern Time
Exam Dates 2025
Exam Dates 2025
January 8th 2025
February 11th-13th 2025 - KYEHA Conference
*Hebron, KY - actual time, date & room location TBA
March 26th, 2025 - KPHA Conference - 9 a.m.
*Marriott Louisville East - Rockbridge Board Room
1903 Embassy Square Boulevard
Louisville, KY 40299
April 9th 2025
May 14th 2025
June 11th 2025
July 9th 2025
August 13th 2025
September 9th-11th 2025 - KYEHA Conference
*Hebron, KY - actual time, date & room location TBD
October 8th 2025
November 12th 2025
December 10th 2025
For specific times and locations, please message the REHS Program Inbox or call (502) 564-0733.
Registered Environmental Health Specialist Examining Committee
Registered Environmental Health Specialist By-Laws and Ethics
Contact Hours Required to Maintain Registration
Before renewal of registration can be issued, the registrant must submit evidence of having completed 10 contact hours approved by the committee. Ten contact hours of continuing education are required per year.