1-INTERA_BPM006379_Attachment_6_-_Key_Personnel.pdf

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Master Agreement AZ|CTR074225
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CTR074225
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Arizona

About this file

This document is a Request for Proposal (RFP) from the Arizona Department of Environmental Quality (ADEQ) for Capacity Development and Technical Assistance to Small Public Drinking Water Systems. The solicitation number is BPM006379 and is specifically an attachment detailing key personnel who would be involved in executing the project. The key personnel are from various locations including Arizona, California, Colorado, and New Mexico, and appear to be from a single consulting firm with expertise in water resources, hydrogeology, well services, and water system planning.

The proposed project team includes 11 key personnel with specialized roles such as Principal Engineer, Senior Hydrogeologist, Water Resources Planner, and Technical Resources specialists. Each team member has extensive experience (ranging from 20-30 years) working with water resources, groundwater sustainability, well services, and technical assistance for local, state, and federal agencies. Their proposed roles include project management, technical leadership in areas like hydrogeology, water resources planning, well services, and providing technical support across various project tasks. The team members have backgrounds in engineering, geology, environmental science, and extensive experience working with water utility districts, groundwater sustainability agencies, and government entities.

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1-INTERA_BPM006379_Attachment_10_-_Experience_and_Capacity_Response.pdf PDF
1-INTERA_BPM006379_Attachment_14_-_Offer_Checklist.pdf PDF
1-INTERA_BPM006379_Attachment_2_-_Boycott_of_Israel_Disclosure.pdf PDF
1-INTERA_BPM006379_Attachment_4_-_Confidential_Information_Designation.pdf PDF
1-INTERA_BPM006379_Attachment_5_-_Conformance_Stmnts_Exceptions.xlsx XLSX spreadsheet
BAFO INTERA Pricing Sheet.pdf PDF
INTERA - Auto Endorsements.pdf PDF
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1-INTERA_BPM006379_Attachment_11_-_References.pdf PDF
1-INTERA_BPM006379_Attachment_13_-_Pricing_Sheet.pdf PDF
1-INTERA_BPM006379_Attachment_7_-_Letter_of_Insurability.pdf PDF
2025-06-01 INTERA GAUWPI.pdf PDF
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CTR074225_Contract_Amendment_1_-_Contract_Extension_to_10-31-26.pdf PDF
1-INTERA_BPM006379_Attachment_1_-_Offer_and_Acceptance.pdf PDF
1-INTERA_BPM006379_Attachment_3_-_Forced_Labor_of_Ethnic_Uyghurs_Ban.pdf PDF
1-INTERA_BPM006379_Attachment_8_-_Organization_Profile.pdf PDF
1-INTERA_BPM006379_Attachment_9_-_Proposed_Subcontractors.pdf PDF
BPM006379 Solicitation Requirements.pdf PDF
INTERA - GL-POL-PROF Endorsements.pdf PDF
1-INTERA_BPM006379_Attachment_12_-_Method_of_Approach.pdf PDF
2025-06-01_INTERA_GAUWPI.pdf PDF
BAFO INTERA Attachment 1 - Offer and Acceptance Form.pdf PDF
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BPM006379 Award Letter - INTERA.pdf PDF
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Request for Proposal

Solicitation No. BPM006379

Capacity Development/Technical Assistance to Small Public Drinking Water Systems

Arizona Department of Environmental Quality (ADEQ)

1110 W. Washington Street Phoenix, AZ 85007

Solicitation Attachment – Key Personnel | Revision No. 1 | Revised 11-22

Attachment 6 – Key Personnel

Answer all questions thoroughly in the spaces provided. Include a Key Personnel form (limit of one page) for each key personnel. Complete this form in full for each proposed key personnel to be involved in performing the services, carrying out the work. It is essential that the Contractor is capable of providing adequate staff of experienced certified/qualified personnel, capable of providing the services to be performed under this contract. If there are more than ten (10) Key Personnel, please utilize the same form for each additional Personnel by making copies of this page as needed.

1 Name: Dan Haddock, PE Job title: Principal Engineer/Director, Water Utility Services

Location of Staff (local or out of state): Sacramento, California

Staff Level of Services per Pricing Sheet: Principal

Length of employment with the company: 8 years Length of time in current role: 8 years

Proposed percentage of overall time to be dedicated to the Services: 35 % If applicable, length of time in related experience with large local, state or federal government agencies: 22 years

Proposed position with regard to the Services: Project Manager

Proposed primary responsibilities with regard to the Services:

Dan will manage the project and provide senior technical guidance for the project tasks. For cost effectiveness, the Technical Leads will manage the day-to-day activities as much as possible, but Dan will be readily available to lead technical staff and ensure the project tasks are being completed to the satisfaction of the AZ DEQ.

Describe experience in performing Services similar to those that are to be assigned:

Lower Carmel Valley Well Replacement and New Well Siting, California American Water, Monterey, CA. 2020 – 2021. Project Manager. Led a project to optimize the reliable production capacity of the critical Lower Carmel Valley wellfield. Evaluated historical operational performance and maintenance data and records to assess the condition and sustainable capacity of existing wells. Recommended replacement or rehabilitation of existing wells based on lifecycle cost analysis of anticipated future expenditures and remaining asset life. Project team performed hydrogeological review, identification of potential contaminant sources, groundwater modeling, and water quality analysis to identify optimal locations for proposed new wells to achieve a reliable capacity of 10 MGD.

Evaluated permitting requirements and estimated replacement and rehabilitation costs.

Water Planning for Hamilton County/Integrated Water Resource Management, Hamilton County, IN. 2021 – Present. Project Engineer. Three-year study to determine water availability and accessibility in Hamilton County. Installation of real-time water level sensors will aid in the understanding of the groundwater system that supplies the county with drinking water. A dashboard is being constructed to display the monitoring network data as well as other significant water quantity and water quality data for the County.

List job-related certifications, training, and education:

• BS, 1990, Mechanical Engineering, Rice University

• 30 years of pertinent experience in water resources engineering

• Professional Engineer in 15 states and is working on obtaining his PE in Arizona

• NARUC Water Utility Rate School

• Fluent in English and Spanish

• International Red Cross Disaster Response

Arizona Department of Environmental Quality (ADEQ)

2 Name: Joseph (Joe) Tracy, PG Job title: Principal Geologist

Location of Staff (local or out of state): Albuquerque, New Mexico

Staff Level of Services per Pricing Sheet: Principal Engineer/Scientist II

Length of employment with the company: 24 years Length of time in current role: 24 years

Proposed percentage of overall time to be dedicated to the Services: 35 % If applicable, length of time in related experience with large local, state or federal government agencies: 30 years

Proposed position with regard to the Services: Senior Technical Advisor

Proposed primary responsibilities with regard to the Services:

Joe Tracy will serve as our lead Arizona PG and will serve as a technical advisor to the technical resource staff. Joe’s valuable experience will enable him to serve as an alternate point of contact for AZ DEQ, should the need arise. Joe has significant and relevant technical experience on environmental and small water resource projects, and working with various stakeholders at all levels of education and involvement.

Describe experience in performing Services similar to those that are to be assigned:

Investigation of Perchloroethylene Contamination, Griggs and Walnut Superfund Site, Confidential Client, Las Cruces, NM. 2015 – 2018. Senior Technical Advisor. Assisted the technical team evaluating the release timing and locations of tetrachloroethene (PCE) contamination in the area of the Griggs Street and Walnut Avenue intersection in the northern section of the City of Las Cruces. The timing information was critical in demonstrating occurrences for insurance reimbursement purposes. Assisted in the development of the Conceptual Site Model (CSM) for the potential release sites in the area.

Historic Waterworks Property Site Investigation, New Mexico Environment Department, Silver City, NM. 2002. Project Manager. Led investigation to characterize site for inclusion in the state VRP. Site characterization activities included surface soil sampling, boring installation, and groundwater sample collection. Site characterization activities required interaction with NMED and the State Historic Preservation Officer.

Kirtland Air Force Base Environmental Baseline Surveys, Albuquerque Bernalillo County Water Utility Authority, NM. 2018 – 2022. Project Principal. Provided technical oversight and review of final deliverables for the INTERA effort to conduct two Environmental Baseline Surveys (EBS) for the Albuquerque Bernalillo County Water Utility Authority (ABCWUA) to meet appropriate property due diligence practices for the easement agreement between ABCWUA and Kirtland Air Force Base (KAFB). The property locations included a 5.29-mile-long easement and a 24-acre parcel, all located on KAFB and Department of Energy (DOE) property. The project includes the ABCWUA installing an interceptor pipeline and booster station and INTERA is responsible for all federal due diligence requirements associated with construction projects occurring on federal facilities.

Responsible for internal team communications, client meetings, and final review of the two EBS reports. The EBS reports were completed and approved by the ABCWUA and KAFB.

List job-related certifications, training, and education:

• BS, 1993, Environmental Geology, Ohio University

• Professional Geologist, AZ, TN, TX

• Over 30 years of valuable advisory, water well services, and stakeholder experience

Arizona Department of Environmental Quality (ADEQ)

3 Name: Courtney Black, PE Job title: Senior Water Resources Engineer

Location of Staff (local or out of state): Denver (Metro Area), Colorado

Staff Level of Services per Pricing Sheet: Senior Engineer/Scientist I

Length of employment with the company: 5 years Length of time in current role: 5 years

Proposed percentage of overall time to be dedicated to the Services: 35 % If applicable, length of time in related experience with large local, state or federal government agencies: 23 years

Proposed position with regard to the Services: Technical Lead – Water Resources Planning

Proposed primary responsibilities with regard to the Services:

Courtney will lead our water resources planning tasks on this project. She will assign technical staff and guide the project activities for any planning task/work orders. Courtney has valuable experience supporting small and large utilities with their technical needs.

Describe experience in performing Services similar to those that are to be assigned:

Water Efficiency Plan, City of Longmont, CO. 2023 – Present. Senior Engineer. Updating Longmont’s Water Efficiency Plan according to state water conservation guidelines. This includes an assessment of Longmont’s water efficiency program and demands and working with Longmont in the selection of new measures, integrating the latest information available in the water conservation field.

Drought Planning, Dominion Water and Sanitation District, CO. 2022 – 2023. Project Manager and Senior Engineer. Developed Drought Management Plan and Rules and Promulgations for the management of drought and water shortages for a wholesale water provider. This planning effort set the stage for a new water wholesale water provider defining its relationship with retail water providers along with addressing pivotal questions concerning drought response among a water efficient community where additional water savings in periods of drought is limited.

Update to Town of Erie Drought and Water Supply Shortage Plan, Erie, CO. 2020 – 2021.

Project Manager and Senior Engineer. Updating Erie’s Drought and Water Shortage Plan according to according to CWCB guidelines. This included developing a water supply and demand model; a vulnerability assessment; identification of drought response strategies;

drought stages, triggers, and response targets; and an implementation and enforcement plan.

Water Supply Master Plan Update, City of Steamboat Springs/Mount Werner Water and Sanitation District, CO. 2018 – 2019. Senior Engineer. Worked with a team of consultants on a Master Plan update. Led the evaluation of historical water demand trends to identify how historical demands have been influenced by population growth, climate factors, drought restrictions, water rates, advances in new water saving technologies, and water conservation activities. Evaluated performance of reaching established water conservation targets.

List job-related certifications, training, and education:

• MS, 2001, Environmental Engineering, University of Florida

• BS, 1999, Civil and Environmental Engineering, Lehigh University

• 23 years of pertinent experience in water resources engineering

• Professional Engineer in Colorado and California

• Water Leaders Course – Water Education Colorado, 2012

Arizona Department of Environmental Quality (ADEQ)

4 Name: Paul McAlpine Job title: Senior Water Well Engineer

Location of Staff (local or out of state): Phoenix, Arizona

Staff Level of Services per Pricing Sheet: Senior Engineer/Scientist III

Length of employment with the company: 1 year Length of time in current role: 1 year

Proposed percentage of overall time to be dedicated to the Services: 50 % If applicable, length of time in related experience with large local, state or federal government agencies: 30 years

Proposed position with regard to the Services: Technical Lead – Well Services

Proposed primary responsibilities with regard to the Services:

Paul is a well services specialist and he will lead all of our well service tasks on this project. Paul will assign technical staff and guide tasks associated with assessing, logging, constructing, designing, equipping, and rehabilitating wells. As our most local project representative, Paul will engage with AZ DEQ and stakeholders in-person and as required, and he will perform any and all site visits and field work necessary to complete the project.

Describe experience in performing Services similar to those that are to be assigned:

Development of a minimum of 25,000 Acre Feet of Irrigation Water, Confidential Client, Central AZ. 2020 – 2023. Account Manager. Client solicited Layne Christensen’s competitive bid for up to 15 irrigation wells to produce at least 25,000-acre feet of water annually with depths of 600 to 1,500 feet below ground surface (BGS). The project encompassed drilling 15 slim-hole test boreholes with an airlift water quantity test performed on each hole. Drilling, installation, development, test pumping, pump design, equipment installation and complete build out of 14 well sites. Upon project completion wells had achieved a maximum flow rate of up to 42,000-58,000-acre feet per year depending on pumping days.

Installation of a 1,600-Foot x 20-Inch Injection Well for a Superfund Site, Confidential Client, Phoenix, AZ. 2018 – 2019. Account Manager. Prepared proposal for the drilling, installation, development, aquifer testing including injection and extraction of up to 1,000 gallons per minute (GPM). The well depth was increased by 600 feet during the pilot hole drilling process, the increased depth was approximately 500 feet into sedimentary bedrock.

The pilot hole was used to locate small fractures and contact points in the bedrock to assure the injection of water was feasible.

Installation of One Regional and Six Perched Groundwater Monitoring Wells, Arizona Department of Environmental Quality, Tucson, AZ. 2001 – 2004. Senior Staff Scientist.

Coordinated all subcontractor activities for two drill rigs. Logged cuttings and led the well design efforts of a 500-ft bgs triple cased regional groundwater monitoring well to assure the regulators no chlorinated solvents had impacted the regional aquifer. Logged and designed wells using sonic drilling technology of six perched groundwater monitoring wells. Coordinated all hazardous waste removal.

List job-related certifications, training, and education:

• BS, 1994, Environmental Science, Northern Arizona University

• 30 years of pertinent experience in operating, maintaining, and optimizing water wells and well services

Arizona Department of Environmental Quality (ADEQ)

5 Name: Annelia Tinklenberg, PG Job title: Principal Hydrogeologist

Staff Level of Services per Pricing Sheet: Principal Engineer/Scientist III

Length of employment with the company: 17 years Length of time in current role: 10 years

Proposed percentage of overall time to be dedicated to the Services: 25 % If applicable, length of time in related experience with large local, state or federal government agencies: 20 years

Proposed position with regard to the Services: Technical Lead – Hydrogeology

Proposed primary responsibilities with regard to the Services:

Using her recent experience in Arizona, Annelia will lead the hydrogeology tasks on the project. She will assign technical staff and guide the project activities for relevant task/work orders. Annelia has valuable experience overseeing drilling and supporting small utilities.

Describe experience in performing Services similar to those that are to be assigned:

Hydrogeology Support for the Santa Cruz Project, Pinal County, AZ. 2023 – Present.

Project Manager/ Project Hydrogeologist. Managing and leading hydrogeology for a production project. Hydrogeology support includes drilling and installing new monitoring and hydraulic test wells, updating the conceptual site model, development of a groundwater flow model, and developing water volume and pumping estimates.

Groundwater Availability Assessment, Bio Pappel/McKinley Paper Facility, Pruitt, NM.

2018. Project Hydrogeologist/ Project Manager. Led the development of a water-availability assessment in the McKinley County, New Mexico, an area with limited water resources. Oversaw and participated in a literature-based study of all available groundwater resources in the area of interest. The assessment was used to advise the client with respect to future water supplies and guide their water-planning efforts.

Update of Water Resources Management Strategy, Albuquerque Bernalillo County Water Utility Authority, NM. 2015 – 2016. Project Hydrogeologist. Assisted with scenario development and gap analysis evaluation, development of options and strategies to mitigate future supply gaps, and policy development. Participated in technical advisory, utility board, and public meetings. This work assisted the Albuquerque Bernalillo County Water Authority with its 2017 update to the Water Resources Management Strategy.

Analysis of the Long-Range Water Planning Needs of Water Utilities and State Agencies, Indiana Finance Authority, Indianapolis, IN. 2015. Project Hydrogeologist. Assisted development of a survey questionnaire. Participated in a series of interviews with water utilities and state agencies to evaluate how planning is being conducted and what support is needed. Compiled the survey and interview responses and assisted with the analysis to determine the long-term planning needs of utilities. The analysis of the interview and survey responses provided a list of recommendations on how the State of Indiana can support long-term planning.

List job-related certifications, training, and education:

• MS, 2007, Water Resources, University of New Mexico

• BS, 2003, Geology, Calvin College

• Registered Professional Geologist, AZ, CA, UT

• 20 years of relevant hydrogeology and water resource experience

Arizona Department of Environmental Quality (ADEQ)

6 Name: Trey Driscoll, PG, CHG Job title: Principal Hydrogeologist

Location of Staff (local or out of state): San Diego, California

Staff Level of Services per Pricing Sheet: Principal Engineer/Scientist I

Length of employment with the company: 3 years Length of time in current role: 3 years

Proposed percentage of overall time to be dedicated to the Services: 20 % If applicable, length of time in related experience with large local, state or federal government agencies: 23 years

Proposed position with regard to the Services: Technical Resource

Proposed primary responsibilities with regard to the Services:

Trey will provide his hydrogeology and water resource expertise and skills to support the relevant technical tasks on this project.

Describe experience in performing Services similar to those that are to be assigned:

Groundwater Resources Study and Exploration Drilling Project, La Paz County, AZ. 2022

– Present. Project Manager. Led development of hydrogeological conceptual model for land managed by the U.S. Bureau of Land Management. Subcontracted surface geophysical study using transient electromagnetic (TEM) method to estimate depth to bedrock, depth to groundwater and properties of the subsurface sediments. Used available well logs near the project to ground truth resistivity measurements from the TEM survey. Input available data to create three-dimensional (3-D) model using Leapfrog Geo. Conducted model review of existing numerical model developed for the groundwater basin to determine suitability for use to evaluate groundwater production impacts and sustainability. Prepared well design and technical specifications for exploration drilling to characterize the production potential of the unconsolidated alluvial sediments and underlying fractured volcanic bedrock. Led exploration drilling program to drill, construct and test two wells to characterize quantity and quality of the aquifer through pump testing and collection of water quality samples.

Installed pressure transducers and telemetry to remotely monitor water levels. Currently assisting with permitting of utility scale renewable energy project.

Lower Carmel River Well Locating, Drilling and Construction for California American Water, Pacific Grove, CA. 2022 – Present. Project Manager. Led hydrogeological support services for four well projects located within the alluvial deposits of the Carmel River Groundwater Basin. Oversaw the drilling and continuous logging of four test boreholes using sonic drilling to characterize the subsurface lithology to identify zones to target for screening municipal water wells. Completed well design and technical specifications for two new production wells. Prepared Drinking Water Source Assessment and Protection documents and site source plans for the proposed wells to meet Division of Drinking Water requirements. Oversaw the successful drilling, construction, and testing of the first production well.

List job-related certifications, training, and education:

• BS, 2000, Geoscience and Environmental Studies, Hobart and William Smith Colleges

• Professional Geologist, CA

• Certified Hydrogeologist, CA

• Over 20 years of relevant hydrogeology experience and water resources expertise

Arizona Department of Environmental Quality (ADEQ)

7 Name: Erick Fox Job title: Water Resources Planner | GIS Analyst

Staff Level of Services per Pricing Sheet: Engineer/Scientist I

Length of employment with the company: 7 years Length of time in current role: 7 years

Proposed percentage of overall time to be dedicated to the Services: 35 % If applicable, length of time in related experience with large local, state or federal government agencies: 9 years

Proposed position with regard to the Services: Technical Resource

Proposed primary responsibilities with regard to the Services:

Erick will provide his GIS and water resources planning expertise and skills to support the relevant technical tasks on this project.

Describe experience in performing Services similar to those that are to be assigned:

Groundwater Sustainability Plan Development, Upper Ventura River Groundwater Agency, Ojai, CA. 2019 – Present. GIS Analyst. Supporting the creation of a groundwater sustainability plan (GSP) for a complex groundwater basin in Southern California by completing many data analysis tasks using GIS and Python. Authored a repeatable script to consolidate groundwater pumping data from more than 100 wells across several decades into a combined time series. Accessed large-scale climate datasets to extract groundwater recharge information to INTERA’s local basin MODFLOW model. Interpolated a bedrock surface across the basin that used a variety of original sources such as well log picks and geologic cross sections. Authored maps incorporating existing and original for the GSP.

Formatted and uploaded groundwater elevation monitoring data to the SGMA GSP portal.

Groundwater Sustainability Plan Development, Mound Basin Groundwater Sustainability Agency, Ventura, CA. 2019 – Present. GIS Analyst. Constructing and maintaining the spatial data framework that underlies much of the Mound Basin GSP. Processed and organized over 100 datasets into a spatial database for analysis and visualization. Designed dozens of complex maps to accurately and coherently display source data such as groundwater modeling results, well construction information, water level elevations, and geologic features.

Water Pipeline Routing Suitability Analysis, New Mexico Interstate Stream Commission, Santa Fe, NM. 2022 – Present. Water Planner and GIS Analyst. Developing multiple pipeline route alternatives to deliver water over 100 miles from several source pumping locations. Using GIS layers to help determine route suitability, such as land ownership, ground elevation changes, existing pipeline rights of way, and environmentally sensitive areas. Authored a Python script to automatically summarize the various routes’ spatial characteristics (such as length, elevation change, and land use type), reducing the time and cost to iterate the analysis on revised routes. Developing a normalized ranking matrix to sort alternatives by suitability along a half dozen criteria and identify the best alternative.

List job-related certifications, training, and education:

• MS, 2016, Geographic Information Systems and Remote Sensing, University of Pittsburgh

• BA, 2004, Urban Studies, University of Pittsburgh

• Seven years of relevant water planning experience

• ESRI software: ArcGIS Pro, ArcMap, 3D Analyst, Spatial Analyst, Drone2Map

Arizona Department of Environmental Quality (ADEQ)

8 Name: Nathan Hatch Job title: Hydrologist

Staff Level of Services per Pricing Sheet: Engineer/Scientist II

Length of employment with the company: 5 years Length of time in current role: 5 years

Proposed percentage of overall time to be dedicated to the Services: 30 % If applicable, length of time in related experience with large local, state or federal government agencies: 7 years

Proposed position with regard to the Services: Technical Resource

Proposed primary responsibilities with regard to the Services:

Nathan will provide his hydrogeology and water resource expertise and skills to support the relevant technical tasks on this project.

Describe experience in performing Services similar to those that are to be assigned:

Potential Pumping Well Impact Analysis, City of Santa Monica, CA. 2023. Hydrologist.

Project sought to evaluate potential impacts from new pumping wells within the Santa Monica Subbasin using an existing MODFLOW-USG model. Using scripted workflows, modified model to assess impacts of potential pumping wells including impacts on seawater intrusion, drawdown, and inter-basin flows.

Potential Recharge Basin Placement Assessment, San Gorgonio Pass Water Agency, Beaumont, CA. 2022 – 2023. Hydrologist. Led the development of scripted workflows to simulate potential groundwater extraction and managed recharge in the San Gorgonio Pass Subbasin. Simulated a range of scenarios for managed recharge to assess which recharge basin location is most beneficial to basin sustainability. Included an additional uncertainty analysis regarding the uncertainty of the vadose zone hydraulic properties which may constrain the percolation of managed recharge. Presentation of results at BSMAR 18: April 2024.

Model Storage Estimates for Groundwater Sustainability, Mound Basin Groundwater Sustainability Agency, Ventura, CA. 2022 – Present. Hydrologist. Supporting the Mound Basin Groundwater Sustainability Agency (GSA) by calculating groundwater storage using model parameters and observed water levels.

Arroyo Santa Rosa Groundwater Sustainability Plan Model Development, Camrosa Water District, Camarillo, CA, 2021 – Present. Hydrologist. Developing MODFLOW model packages for groundwater pumping, surface-groundwater interactions, and recharge for the Arroyo Santa Rosa Groundwater Basin. Organized and manipulated a database of multi-sourced data to develop input data for models. This model development is a key of the basin’s Groundwater Sustainability Plan (GSP) as well as annual reporting and updates.

Refining representation of hydrological processes from previous models to inform detailed management actions and sustainable management criteria.

List job-related certifications, training, and education:

• MS, 2020, Civil Engineering, TU Delft

• BS, 2017, Hydrology, UC Davis

• Seven years of relevant experience in hydrogeology and water resources

• MODFLOW, MODPATH, MT3D, SEAWAT, PEST++, Python, MATLAB, R, ArcGIS, QGIS

Arizona Department of Environmental Quality (ADEQ)

9 Name: Steven Humphrey, PG Job title: Senior Hydrogeologist

Staff Level of Services per Pricing Sheet: Senior Engineer/Scientist II

Length of employment with the company: 4 years Length of time in current role: 4 years

Proposed percentage of overall time to be dedicated to the Services: 30 % If applicable, length of time in related experience with large local, state or federal government agencies: 19 years

Proposed position with regard to the Services: Technical Resource

Proposed primary responsibilities with regard to the Services:

Steven will provide his hydrogeology and water resource expertise and skills to support the relevant technical tasks on this project.

Describe experience in performing Services similar to those that are to be assigned:

Ranegras Basin Groundwater Resources Exploration and Feasibility Study, Brenda, AZ.

2022 – Present. Senior Hydrogeologist. Reviewed and documented background data, reporting, and numerical groundwater modeling of an arid hydrographic basin in western Arizona. Assisted the planning and interpretation of geophysical data collected to confirm the basin structure and provide supporting information for the siting of pilot test wells for groundwater exploration. Developed a 3D visual model using Leapfrog to analyze data and revise and update the hydrogeologic conceptual model for the basin. Co-authored a Groundwater Availability Report to aid communication with the Bureau of Land Management.

Water Resources Planning Support, Camrosa Water District, Camarillo, CA. 2023 – Present. Senior Hydrogeologist. Expanded a 3D visual model (Leapfrog) of the aquifer system to incorporate lithologic, geophysical, and numerical modeling data. Reviewed and tested an existing numerical groundwater flow model (MODFLOW) to assess hydraulic response, availability of groundwater resources, and structural control on groundwater flow. Analyzed groundwater levels and chemistry to assess potential revisions to the hydrogeologic conceptual model.

Groundwater Sustainability Plan Updates, East Kaweah Groundwater Sustainability Agency, Tulare County, CA. 2023 – Present. Senior Hydrogeologist. Provided technical support to the East Kaweah GSA to assist the revision of sustainable management criteria and developed methods to evaluate potential impacts to beneficial uses and users. Assisted the coordination of GSAs, technical staff, stakeholders, and communication with the State Water Resources Control Board and community assistance programs. Enhanced 3D visualization with Leapfrog and reviewed groundwater modeling inputs and subsidence modeling applications.

List job-related certifications, training, and education:

• MS, 2008, Hydrogeology, University of Nevada

• BS, 2002, Geology, California State University

• Professional Geologist, CA, IN

• Nearly 20 years of relevant hydrogeology experience with water resources

Arizona Department of Environmental Quality (ADEQ)

10 Name: Brett Mayhew Job title: Senior Hydrogeologist

Staff Level of Services per Pricing Sheet: Senior Engineer/Scientist IV

Length of employment with the company: 7 years Length of time in current role: 7 years

Proposed percentage of overall time to be dedicated to the Services: 30 % If applicable, length of time in related experience with large local, state or federal government agencies: 16 years

Proposed position with regard to the Services: Technical Resource

Proposed primary responsibilities with regard to the Services:

Brett will provide his hydrogeology expertise in AZ and his well services skills to support the relevant technical tasks on this project.

Describe experience in performing Services similar to those that are to be assigned:

Emerging Contaminants Assessment, Santa Cruz, AZ. 2023 – Present. Hydrogeologist and Task Manager. Managing field team tasked with drilling, designing, and testing deep (>3000 ft) water wells. Implementing pneumatic sinusoidal and deep-water pumping tests across multiple aquifers. Evaluating geologic, hydrologic, and geophysical data supporting the conceptual site and groundwater models.

Ambrosia Lake Ongoing Hydrogeologic Support, NM. 2019 – Present. Hydrogeologist and Assistant Project Manager. Continuing support of multiple hydrogeologic and conceptual site models and field activities in New Mexico, management of drilling activities, field aquifer testing and analysis along with Conceptual Site Model Development for evaluating groundwater flow; hydrogeologic model development for future fate and transport modeling; and model support for various superfund cleanup sites across New Mexico.

Groundwater Monitoring, Lisbon Valley Former Mill Site, Rio Algom Mining, San Juan County, UT. 2019 – Present. Hydrogeologist. Managing a field team collecting quarterly groundwater samples from a 58-well monitoring network in support of state license requirements and to support the development of geochemical and groundwater flow models for Alternative Concentration Limits application for groundwater standards. The groundwater data and the conceptual site model will provide information to assist with the ongoing monitoring and maintenance program, which is part of the closure activities.

Celaya Project, Water Supply, Neutla, Guanajuato, Mexico. 2021 – Present.

Hydrogeologist. Supporting conceptual model development and field program for on-site water supply. Designed a testing procedure focused on using existing or upcoming exploration core-holes to develop a water level testing network. Water level testing will lead to further hydrologic testing and implementation into a geologic framework model.

Modeling and Risk Analysis to Support Environmental Restoration Activities at the U.S.

Department of Energy - Hanford Site, CH2M Hill Plateau Remediation Company, Richland, WA. 2016 – 2019. Hydrogeologist. Supported composite analyses, remedial investigations, and feasibility studies for various operable units at the Hanford site.

List job-related certifications, training, and education:

• MS, 2013, Geology, University of Nevada

• BA, 2007, Physics-Geology, Whitman College

• 3D/4D Geologic Modeling (EarthVision, CoViz, Leapfrog, Kingdom Geology)

• Petrography & Well-Cuttings Analysis

Arizona Department of Environmental Quality (ADEQ)

11 Name: Kait Palys Job title: Senior Water Resources Scientist

Location of Staff (local or out of state): San Diego, California

Staff Level of Services per Pricing Sheet: Senior Engineer/Scientist IV

Length of employment with the company: 2 years Length of time in current role: 2 years

Proposed percentage of overall time to be dedicated to the Services: 25 % If applicable, length of time in related experience with large local, state or federal government agencies: 8 years

Proposed position with regard to the Services: Technical Resource

Proposed primary responsibilities with regard to the Services:

Kait will provide her water resources expertise with utilities and districts large and small to support the relevant technical tasks on this project.

Describe experience in performing Services similar to those that are to be assigned:

Kaweah Subbasin Groundwater Sustainability Plan Update, East Kaweah Groundwater Sustainability Agency, Tulare County, CA. 2023 – Present. Assistant Project Manager and Subbasin Coordinator. Serves as lead coordinator for the Kaweah Subbasin Groundwater Sustainability Agencies (GSAs), technical staff, and stakeholder communications.

Developed Subbasin-wide standardized advisory committee presentations and presentation content for coordination with the State Water Resources Control Board. Led the Kaweah Subbasin Mitigation Program and East Kaweah GSA Mitigation Plan development, cost estimates, and partnership facilitation with Self-Help Enterprises. Served as lead communicator at GSA Board meetings, Technical Advisory Committee meetings, [Stakeholder] Advisory Committee meetings, and Subbasin-wide Management Committee meetings. Led internal coordination as assistant project manager.

Tule Subbasin Groundwater Sustainability Plan Update, Delano-Earlimart Irrigation District Groundwater Sustainability Agency, Tulare County, CA. 2023 – Present.

Developed the revised Communications and Engagement Plan for DEID GSA. Arranged and implemented outreach efforts with diverse stakeholder groups. Developed the revised Delano-Earlimart Irrigation District GSA’s Mitigation Plan which includes a partnership with Self-Help Enterprises. project management activities, such as action item tracking and coordination as well as technical support activities, such as amended GSP revisions and Annual Reporting.

Delta-Mendota Subbasin Groundwater Sustainability Plan Development, Aliso Water District, Madera County, CA, 2018-2023. Developed Aliso Water District GSA GSP’s plan area, sustainable management criteria development, GDE evaluation, water budget and implementation sections. Represented GSA at Delta-Mendota Subbasin Coordination and Technical Committee meetings. Supported implementation efforts, such as annual reporting and monitoring. Aliso Water District GSA has had successful submittal of GSP and annual reports. Client representation at Subbasin -level meetings resulted in improvements to the GSP and the Delta-Mendota Subbasin’s common chapter.

List job-related certifications, training, and education:

• BS, 2016, Environmental Science, Virginia Polytechnic Institute

• Eight years of pertinent water resources and stakeholder engagement experience

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