Brenda Lopez, EIT

Experience

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  Cal Poly- U.S. Department of Energy Funded Research

  Jan 2017 - Dec 2017

  Student Research Assistant

  Maintained photobioreactors and anaerobic digesters for wastewater research and performed tests to collect alkalinity, gas chromatography, TSS, and VSS data of local wastewater samples under the supervision of a graduate student.

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  Bracewell Engineering Inc

  Apr 2018 - Aug 2019

  Lab Supervisor

  Assist Plant Engineer with monthly review of Drinking Water and Wastewater monitoring reportsto the Central Coast Water Quality Control Board for over 15 plants.Update yearly budget spreadsheets for various wastewater and drinking water plants based onmonitoring plans and maintenance schedules.Prepared and submitted MCL exceedance public notices in English and Spanish to Water Boardfor approval.Performed laboratory analyses and field tests on water and wastewater samples for compliance.Prepared lab reports for clients.Calibration/verification documentation of equipment in lab and on field.Familiar with sampling preservation requirements (SOC’s, VOC’s, Coliform, etc.). Show less

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  Stetson Engineers Inc

  Oct 2019 - Aug 2022

  Assistant Engineer I - Water Quality Specialist

  Assist with Title 22 groundwater quality monitoring and reporting for drinking water systems in the Main San Gabriel Basin, Raymond Basin, and Central Basin. Tasks include reviewing lab reports, preparing monthly letters to the DDW, preparing quarterly DBP reports, updating monitoring schedules, reviewing COCs and sample bottle set up, reviewing invoices, and preparing letters to clients under the supervision of a senior engineer. Also assisted with PFAS and UCMR4 monitoring for various water systems in the Main San Gabriel Basin. Updated lab contracts.Prepared monthly treatment plant water production and water quality reports to DDW for the City of Monterey Park.Prepare CCR tables and PHG reports for various drinking water distribution plants in Orange County and the San Gabriel Valley.Update water quality sections for master plans.Compiled water quality data for WQA Prop 68 Grant Application (Prop 68 Groundwater Treatment and Remediation Grant Program) and assisted with preliminary research.Produce annual technical performance reports for drinking water treatment plants (Cal Domestic NDMA and Perchlorate treatment plants, Valley County Water District - Lante Plant NDMA, VOC, 1,2,3-TCP) Show less

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  City of Ventura

  Aug 2022 - Jan 2024

  Water Quality Specialist

  Monitor water quality for Ventura Water Department T4 system. Correspond with water treatment operations and SWRCB regarding source water and finished water quality issues.Prepare monthly groundwater treatment and surface water treatment plant (regulated under surface water treatment plant rules) water quality and operations reports to SWRCB. Prepared SOP for water treatment operators to prepare reports (calculating chemical dosages, identifying exceedances, report organization, etc).Updated Bacteriological Sampling Siting Plan (BSSP) for groundwater system. Updated background and source info, updated sampling, resampling, and reporting SOP. Prepared new sample site and zone maps.Respond to customer water quality concerns.Prepare Risk Management Plans for the city’s 3 water treatment plants storing 19% aqueous ammonia and gaseous chlorine in accordance with US EPA Chemical Accident Prevention Rule, CalARP, and CalOSHA PSM.Prepare Annual NPDES Permit for Drinking Water System Discharges. Determined annual water losses and water reuse.Coordinate UCMR5 program. Prepare public notice on availability of UCMR5 results for customers.Coordinate the Lead and Copper drinking water testing program required by the US EPA and State of CA. Large water system on a reduced 3 year monitoring schedule, requiring minimum 50 samples. Called 50+ volunteers to verify participation, provided further information about program to volunteers if requested.Analyze water quality data to prepare 2022 and 2023 CCR data tables. Review and make corrections to final drafts in English and Spanish. Show less

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  State Water Resources Control Board

  Feb 2024 - now

  Water Resource Control Engineer

  WRCE at SWRCB- Division of Drinking Water/ Field Operations - Merced District 11