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Contact Us

Find a laboratory project manager or unit supervisor

Our Laboratory Project Managers and Unit Supervisors

Below is a list of our project managers and unit supervisors. For questions about our laboratory services, please click on the name of the person whose description best matches your question. You will be directed to their contact information page in the King County directory.

Laboratory Projects Contact

King County wastewater treatment plants; combined sewer overflows (CSOs); biosolids, industrial waste; capital projects; and marine monitoring projects for the Water and Land Resources Division (WLRD).

Erin McCabe[SL1]

King County solid waste; city National Pollutant Discharge Elimination System; biosolids projects; WLRD groundwater monitoring projects for WLRD;and fish studies.

Susannah Rowles

WLRD freshwater and groundwater monitoring; microbial source tracking; swim beach monitoring; Wastewater Treatment Division’s (WTD) Water Reuse and Technology and Assessment; King County Roads; WLRD Stormwater Services; andreimbursable projects.

Ellen Sisk



Laboratory Management Team

Lab Manager

Diane McElhany

Aquatic Toxicology Supervisor

Fran Sweeney

Conventionals Supervisor

Brian Prosch

Field Science Unit Supervisor

Jean Power

Microbiology Supervisor

Eric Thompson

Trace Metals Supervisor

Kevin Cummings

Trace Organics Supervisor

Diane McElhany


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