BLS metro-level wage data places Environmental Science and Protection Technicians, Including Health pay in Des Moines-West Des Moines, IA at a median of $46,950 per year ($22.57/hr/hour), drawn from the OEWS May 2025 release for this Metropolitan Statistical Area. Compared to the national median of $55,090, Des Moines-West Des Moines pays 15% below, which typically tracks with a lower local cost of living or smaller specialized-employer cluster. Approximately 130 environmental science and protection technicians, including healths are employed across the Des Moines-West Des Moines MSA in SOC 19-4042.

The Des Moines-West Des Moines pay distribution spans from $38,170 at the 10th percentile to $83,720 at the 90th — a 2.2× spread that reflects experience tenure, specialization, employer size, and the difference between public-sector, nonprofit, and private-sector compensation inside the metro. The 25th percentile sits at $39,140 and the 75th at $63,000, so half of Des Moines-West Des Moines-based environmental science and protection technicians, including healths earn within that middle band.

Metro figures capture where you actually work, not just where you live — which matters for commuters. BLS draws metro boundaries from the OMB MSA definitions, so Des Moines-West Des Moines, IA covers the central city plus outlying counties tied to the metro economically. Remember that OEWS wages reflect base pay only: employer-provided health insurance, retirement matches, stock options, signing bonuses, overtime, and tips are excluded and can add 20-40% to real total compensation. Before using this metro median as a negotiation anchor, triangulate against the same occupation's national profile (linked below), its state-wide IA data, and peer-metro comparisons — a median is a starting point, not a ceiling.