Registered Environmental Health Specialist
REHS
rehsexam.com is your dedicated REHS practice site: 1,000+ exam-style practice questions, organized across all 7 exam domains. Start with the free practice test — no card required.
- practice questions
- 1,000+
- exam domains
- 7
- practice test
- Free
Exam at a glance
- Exam fee
- Approximately $420 NEHA member/$605 non-member
- Questions on exam
- 225 total multiple-choice questions
- Passing score
- Scaled passing score of 650 out of 900 (raw passing approximately 68%)
- Validity
- Maintained with 24 hours continuing education every 2 years
Published exam facts, from the official outline.
What’s on the REHS exam
- General Environmental Health
- Statutes and Regulations
- Food Protection
- Potable Water
- Wastewater
- Solid and Hazardous Waste
- Vectors, Pests, and Poisonous Plants
Official exam blueprint domains — your practice bank mirrors this outline.
The REHS question bank follows the official exam blueprint across 7 domains, so your practice mirrors the real outline — and shows you exactly where you’re weak. See the full blueprint on rehsexam.com →
Your REHS prep is one click away
The free REHS practice test, the full 1,000+ question bank and your readiness score — all on rehsexam.com.
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