Environmental Health Specialist FAQ

Usually a bachelor’s degree in a science is required.

A national credential from the National Environmental Health Association.

Mostly local and state health departments, plus industry and consulting.

The median annual wage for environmental health specialists was $82,220 ($39.53 per hour) in May 2025, according to the U.S. Bureau of Labor Statistics. The lowest 10% earned less than $52,520 and the highest 10% earned more than $140,010.

Most people need about 4 years of training. A bachelor’s degree in environmental health, biology, chemistry or a related science is typical. Accredited environmental health programs are preferred by many health departments.

Usually. BLS lists a bachelor’s degree as typical, and many states require science coursework for registration. Some health departments hire environmental health technicians with associate degrees for assistant roles.

It can be, depending on your goals. Employment is projected to change +6.1% from 2025–35 (faster than average), with about 7,300 openings each year. Upsides include public service that protects health; a common challenge is that enforcement can create conflict.

Key technical skills include food code knowledge, inspection techniques, water and pool testing, and septic system evaluation. Employers also value communication, diplomacy, and objectivity.

Common credentials include Registered Environmental Health Specialist (REHS/RS), State sanitarian registration, Certified Professional–Food Safety (CP-FS), and Certified Pool Operator (CPO). Many states require environmental health specialists to be registered or licensed, often through the REHS/RS exam or a state exam.