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.
Pollutant control programs

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