Bridgewater Group: Environmental ServicesBridgewater Group: Environmental ServicesBridgewater Group: Environmental ServicesBridgewater Group: Environmental Services

Candice L. Hatch, P.E. (Vice President)

Candice Hatch has many years of air quality permitting experience in Oregon, Washington, California and many other states in the U.S. She routinely serves as an air compliance advisor to companies by providing on-going air quality compliance assistance. Her working knowledge of many types of industrial processes and equipment assists her in evaluating facility compliance and developing permitting strategies. Candice brings a practical perspective to her appointments to regulatory advisory committees and advisory boards. She actively participates in industry associations and air quality committees to better understand client regulatory issues and concerns.

(O) 503-675-0904 / (C) 503-484-4414


B.S., Environmental Engineering, California Polytechnic State University - 1975

Registrations and Certifications:
Professional Mechanical Engineer: Oregon



John Browning, P.E. (Vice President)

John Browning joined Bridgewater Group in November 2014. He joins the firm after nineteen years in environmental consulting focusing on environmental permitting and compliance for fast track design and construction projects in the high technology industry and two years as part of the environmental management staff at a large material science company. John's areas of expertise include characterizing environmental discharges from industrial facilities, preparing and obtaining environmental approvals and permits, and preparing and evaluating environmentally related operational plans. In addition to John's primary practice focusing on air quality permitting and compliance issues, he also has extensive experience with industrial wastewater, hazardous waste, storm water, environmental due diligence, and spill prevention and planning throughout the U.S. and abroad.

(O) 503-212-2515 / (C) 503-412-9842


B.S. Civil Engineering, Oregon State University

Registrations and Certifications:
Professional Engineer: Oregon and Washington



Jeffrey F. Dresser, P.E. (Vice President)

For over 30 years, Jeff Dresser has specialized in the development and implementation of environmental audit and multi-media compliance management programs, training program development and delivery, and enforcement/litigation support.  

Jeff assists clients in preparing and obtaining environmental permits and provides analysis of rulemaking from pre-proposal through final rulemaking. He frequently serves as an adjunct advisor/team member within the client's organization. In many engagements, he functions as a member of that organization.  

Recent and ongoing assignments include site investigation, site remediation, and litigation support for upland sites along the Willamette River and Portland Harbor Superfund Site, and development of contaminated media management plans for site redevelopment and facility transition planning including deconstruction and demolition waste and recyclable materials management.

Jeff primarily works with clients within the mining and minerals, power generation and distribution, forest products, semiconductor and semiconductor equipment manufacturing, primary and secondary metals, aviation, and textile manufacturing sectors.

(O) 503-675-2735 / (C) 503-887-3519

M.S., Civil and Environmental Engineering, Oregon State University - 1983
B.S., Civil Engineering, Oregon State University - 1981

Registrations and Certifications:
Professional Civil Engineer: Oregon
Professional Environmental Engineer: Oregon


Aaron Leritz, RAB, LA (President)

Aaron Leritz is an environmental health scientist receiving his B.S. from the University of Washington. He has over 20 years of experience working on virtually all facets of environmental management, regulatory compliance, permitting, and site management projects. He has experience with a wide range of private sector industries and public sector facilities.

More specifically, Aaron has extensive experience developing, organizing, and leading regulatory compliance audit programs, property acquisition and due diligence assessments, stormwater source control evaluations, development of contaminated media management plans, electrical utility generation facility fatal flaw analysis and permitting, surface water assessments and permitting, hazardous waste management including RCRA Part B permit applications, preparation of comprehensive environmental management programs, including ISO 14001 conformant systems, soil, groundwater, and building material remedial investigations, feasibility studies (RI/FS), and remediation design and implementation, and environmental oversight of construction activities.

His experience in the private sector includes hard and soft rock mining, electrical and natural gas utilities, chemical and resin manufacturing, steel and metal processing and manufacturing facilities, forest products manufacturing facilities, commercial paint and coating manufacturing, construction sites, hazardous waste treatment and disposal facilities, and solid waste landfills. Public sector clients include cities, counties, port authorities, federal military installations, and Department of Energy facilities.

(O) 503-675-0297 / (C) 503-703-9690


B.S., Environmental Health, University of Washington - 1993

Registrations and Certifications:
RAB-Certified ISO 14001 Lead Auditor


Anna Maria St. John, RG, PG, LHG (Vice President)

Anna St. John has over 20 years of experience in project management and site characterization, including soil, groundwater, stormwater, surface water, and sediment investigations; aquifer characterization; groundwater assessments and beneficial water use assessments; and groundwater and contaminant transport-and-fate modeling for industrial and municipal clients. She develops scopes of work and manages Phase I and II environmental site assessments for property transfers, remedial investigations/feasibility studies and source control evaluations under state cleanup programs, Resource Conservation and Recovery Act facility investigations, and groundwater evaluations. She is familiar with environmental issues associated with high-tech, manufacturing, forest products, wood preserving, and chemical storage facilities.

She also provides technical support for insurance cost recovery purposes, allocation, and testimony during trials.

Anna has extensive experience negotiating with regulators on behalf of clients and working with groups of potentially responsible parties and attorneys. Her approach to project management emphasizes responsiveness, efficiency, cost effectiveness, and closure.


(O) 503-675-2737 / (C) 503-312-4676


M.S., Geohydrology, Portland State University, 1993
B.S., Geology, Portland State University, 1991
B.A., Biology, Mt. Holyoke College, 1985

Registrations and Certifications:
Registered Geologist: Oregon, No. G1427
Licensed Hydrogeologist: Washington, No. 969
Professional Registered Geologist: Idaho, No. 970

Copyright 2016 Bridgewater Group     disclaimer | Phone: 503-675-5252