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Jacob Mullet

Jacob Mullet
Assistant Scientist

Jacob Mullet

Assistant Scientist

Mr. Jacob Mullett is an environmental scientist with 6 years of experience in watershed monitoring, stormwater compliance, and aquatic ecosystem assessment. He specializes in executing field programs that generate high-quality, defensible data for regulatory compliance and long-term water quality management. Mr. Mullett participates in stormwater monitoring projects across California. His technical expertise spans the use of semiautonomous samplers, hydrologic data collection, sediment and toxicity testing, bioaccumulation studies, and trash load monitoring. Agencies, municipalities, and watershed managers rely on this data to trace pollutant sources, evaluate infrastructure performance, ...

Mr. Jacob Mullett is an environmental scientist with 6 years of experience in watershed monitoring, stormwater compliance, and aquatic ecosystem assessment. He specializes in executing field programs that generate high-quality, defensible data for regulatory compliance and long-term water quality management. Mr. Mullett participates in stormwater monitoring projects across California. His technical expertise spans the use of semiautonomous samplers, hydrologic data collection, sediment and toxicity testing, bioaccumulation studies, and trash load monitoring. Agencies, municipalities, and watershed managers rely on this data to trace pollutant sources, evaluate infrastructure performance, and comply with regulatory mandates. By transforming raw field measurements into actionable insights, Mr. Mullett helps clients reduce pollutant loads, strengthen compliance strategies, and support sustainable water resource management.

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Environmental Monitoring

Low-Impact Development Stormwater Monitoring, San Francisco Bay Area, California Participates in field operations deploying semiautonomous samplers to evaluate the performance of biofiltration basins designed to reduce stormwater pollution across five Bay Area counties. Responsible for installation, calibration, maintenance, and real-time troubleshooting of advanced monitoring equipment. Trains and supervises junior staff on strict cleaning and handling protocols, ensuring consistent QA/QC across all sampling efforts. Maintains a complete and organized inventory of sensitive environmental monitoring equipment. Provides actionable data on stormwater quality and infrastructure performance, supporting regional compliance with regulatory mandates and contributing to sustainable urban water management.
Central Coast Long-Term Environmental Assessment Network, Monterey Bay, California Deploys and maintains high-volume samplers in diverse environments, including the open ocean, rivers, and wastewater treatment facilities, to monitor persistent organic pollutants at ultralow concentrations. Installs and retrieves water quality sondes for 30-day deployments in river systems. Collects mussels (Mytilus californicanus) for bioaccumulation studies across the Monterey Bay ecosystem. Maintains safe practices during ocean, river, and land operations during both storm events and dry-weather conditions. Leads two-person field teams for equipment installation, calibration, monitoring, and retrieval, ensuring adherence to rigorous QA/QC protocols. Provides troubleshooting, repair, and system improvements for specialized monitoring equipment in freshwater environments. Manages laboratory organization, staff training, and protocol compliance for the cleaning and handling of sensitive sampling components. Maintains detailed field logs, conducts comprehensive site observations, and manages a full inventory of field instrumentation and laboratory equipment. Generates long-term pollutant trend data that are made publicly available, supplying agencies, scientists, and policymakers with defensible evidence to guide ecological protection, pollution prevention, and regional water quality management strategies.
Caltrans TMDL Monitoring, Northern California Executes stormwater and dry-weather sampling in creeks, tidal channels, and engineered drainage systems to measure chemical analytes, water quality indicators, storm intensity, and hydrologic flow volumes. Provides management and training on rigorous equipment cleaning and handling procedures to ensure regulatory defensibility of data. Maintains detailed logs capturing hydrologic conditions and site-specific challenges. Generates high-quality data used by the California Department of Transportation (Caltrans) to evaluate compliance with total maximum daily load (TMDL) regulations, directly informing infrastructure management and pollutant reduction strategies.
Trash Outfall Monitoring, San Francisco Bay Area, California Assists with the deployment and retrieval of trash capture nets at major stormwater outfalls. Installs, calibrates, and maintains barometric pressure and water-level transducers to track site hydrology. Applies field engineering skills to ensure instrumentation accuracy and data reliability across multiple counties. Provides quantitative data on trash loading in stormwater systems, supporting municipal compliance with state and federal stormwater trash reduction requirements.
Santa Clara Valley Urban Runoff Pollution Prevention Program, Santa Clara County, California Collects creek water and sediment samples for laboratory toxicity and contaminant testing (including Chironomus dilutus and Hyalella azteca bioassays). Conducts targeted investigations of pollutant sources across public and private properties. Supervises field staff, trains team members on standardized protocols, and adheres to strict QA/QC procedures. Maintains complete documentation of field activities and manages an inventory of all monitoring equipment. Provides defensible data used to trace pollutant sources, supporting countywide water quality compliance and remediation initiatives.
San Mateo Countywide Water Pollution Prevention Program, San Mateo County, California Conducts comprehensive creek monitoring to assess sediment and water toxicity from pesticides, metals, and other pollutants. Supports pollutant source investigations to inform countywide management plans. Provides training, technical oversight, and QA/QC enforcement during all sampling operations. Ensures chain-of-custody integrity. Generates data critical to the county’s regulatory compliance and pollutant reduction strategies, directly supporting long-term watershed health.
Contra Costa Clean Water Program, Contra Costa County, California Performs dry-season creek sampling for sediment toxicity, metals, pesticide, and other pollutant contamination. Leads QA/QC enforcement in the field, maintains highly detailed field logs, and coordinates the inventory management of technical equipment. Supplies data that are used to evaluate water quality and pollutant loading, helping the county meet regulatory benchmarks and refine pollution prevention programs.
Los Angeles Watersheds Coordinated Integrated Monitoring Programs (CIMPs), Los Angeles County, California Participated in complex wet-weather sampling operations at more than 20 sites across large urban watersheds, including the Los Angeles River, San Gabriel River, Los Cerritos Channel, and Long Beach. Supported the collection of high-resolution pollutant data during storm events, requiring precise timing and coordination under challenging conditions. Provided compliance monitoring data that informed regulatory watershed management programs for some of California’s largest urban water systems.
San Francisco Bay Dredge Monitoring, San Francisco Bay, California Collected vibracore sediment cores and contaminant data from critical navigation channels, including Richmond Harbor, Oakland Estuary, San Francisco Bar Channel, and Redwood City Harbor. Maintained, conducted troubleshooting, and optimized complex coring and field monitoring equipment under demanding marine conditions. Supplied the U.S. Army Corps of Engineers with high-quality environmental data that directly informs dredging decisions, ensuring navigational safety while protecting ecological health.
Calleguas Creek Watershed TMDL Water Quality Program, Ventura County, California Participates in collecting grab samples from creeks, tidally influenced channels, and urban stormwater infrastructure during storm events and dry-weather conditions. Monitors, records, and reports storm intensities, flow volumes, and site-specific hydrologic conditions. Executes legally defensible streamflow measurement protocols while strictly adhering to QA/QC standards and regulatory requirements. Generates high-quality data on watershed pollutant loading, supporting Ventura County’s compliance with TMDL regulations and informing long-term water quality management and restoration strategies.
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