Christopher Baldwin, P.E., CPESC

Senior Engineer

207-591-7000 x44

Chris Baldwin has more than 25 years of planning, design, and construction experience associated with a diverse range of environmental and civil engineering projects. His experience includes watershed restoration, stormwater management, culvert replacement, site plan development, construction inspection, Phase I and Phase II environmental site assessments, and petroleum related engineering services including UST removals, aboveground storage tank facility design and permitting, and the preparation of SPCC plans.

Prior to joining the St.Germain Collins team, Chris was District Engineer for the Cumberland County Soil & Water Conservation District (CCSWCD) where he managed the District’s Development Review Program, performed third party inspections on active construction sites for erosion and sedimentation control, inspected stormwater best management practices (BMPs), and provided engineering support to the Long Creek Watershed Management District and 319 Water Quality grant programs. 


Bachelor of Science Degree, Civil Engineering, University of Maine, Orono, Maine, 1986 
Bachelor of Arts, Environmental Science, Saint Michael’s College, Winooski, Vermont, 1983 
AutoCAD Training, Southern Maine Community College 


Registered Professional Engineer, Maine PE# 7047
Registered Professional Engineer, New Hampshire PE# 15617
Registered Professional Engineer, Massachusetts PE# C 37362
Registered Professional Engineer, California PE # 47037
Certified Professional in Erosion & Sedimentation Control #6626
Advanced Stormwater BMP Design Training – Maine DEP
Field Geology Services – Fluvial Geomorphology Course
USF&W Designing for Aquatic Organism Passage at Road-Stream Crossings
Stream Crossing Restoration Techniques Workshop
Stream Smart Program – Maine Audubon
First Aid and CPR Training – Red Cross
40 Hour OSHA HAZWOPER Training


Various Streams – Hancock & Penobscot County, Maine   
Designed six “Stream Smart” culvert crossings and provided construction inspection during installation. Clients included The Nature Conservancy and Hancock County Soil & Water Conservation District. Several of the crossing were funded through the bond for Stream Crossing Public Infrastructure Improvement Projects. 

City of South Portland – South Portland, Maine
Performing third party inspections for erosion and sedimentation control for active construction sites as City Inspector.

Risbara Bros Construction, Blue Spruce Farm Subdivision – Westbrook, Maine 
Performing third party inspection during construction for erosion and sedimentation control for the Maine Department of Environmental Protection (MEDEP) at a large residential subdivision.

Long Creek Watershed Management District – Maine 
Served as the technical lead and chief engineer overseeing the design, installation, and maintenance of numerous stormwater BMP’s throughout the watershed in support of the program’s restoration efforts. Currently designing the restoration piece for the Main Stem portion of the project.

Stormwater Credits for Various Clients – Portland, Maine
Assisting landowners and businesses in Portland to evaluate their existing on-site stormwater infrastructure and apply for Stormwater Service Charge credits to reduce their bill.

Section 319 Non-Point Source Water Quality Grants – Various Locations, Southern Maine 
Providing survey, design, and construction oversight during the implementation of dozens of projects focused on protection and restoration of threatened water bodies and natural resources from non-point sources of pollution.