Monitoring

Delivering scientifically sound monitoring programs that support informed water quality management. We design and implement targeted monitoring strategies that answer management questions, evaluate program effectiveness, and meet regulatory compliance requirements throughout California.

An aerial shot of a polluted riverbank covered with plastic waste and debris highlighting environmental issues.
View of pollution on a riverbank with industrial chimneys in the background during sunset.

Core Services

Pollutant source identification and assessment
Watershed pollutant load evaluations
Trash, bacteria, legacy contaminant, and pesticide control programs
PFAS and emerging contaminant assessments
TMDL implementation planning and reporting
Source investigation and tracking studies
Best management practice evaluation
Regulatory compliance strategy
Regional collaboration and program coordination

Reliable monitoring provides the scientific foundation for effective water quality management and informed regulatory decision-making. EOA designs and implements monitoring programs that answer critical management questions, evaluate environmental conditions, and measure the effectiveness of water quality improvement efforts. Our team combines technical expertise with innovative monitoring approaches to deliver high-quality data that support compliance, watershed management, and adaptive program implementation.

Featured Projects

Low Impact Development (LID) Effectiveness Monitoring

Santa Clara Valley Urban Runoff Pollution Prevention Program (SCVURPPP)

 San Mateo Countywide Water Pollution Prevention Program (SMCWPPP)

SF Bay Regional Creek Status Watching Our Watersheds (WOW) Trash Flow Monitoring Projects Program Design

Alameda Countywide Clean Water Program, Contra Costa Clean Water Program, San Mateo Countywide Water Pollution Prevention Program, Santa Clara Valley Urban Runoff Pollution Prevention Program, Solano Stormwater Alliance 
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