Project Profiles
These project profiles show real environmental consulting work by A3 Environmental Consultants, from Phase I ESAs and UST removals to wetland delineations and brownfield cleanups. Pick a project below to see the client, location and services.
Tree survey project profile: A3E tagged 368 trees in five field days at Lake and McHenry County sites, each with GPS, DBH and condition data for permits.
- Published in Ecological Services, Project Profiles
An environmental site compliance audit is an on-the-ground inspection that verifies a facility’s day-to-day operations — hazardous materials handling, storage tanks, wastewater, PCB-containing equipment — match its environmental obligations. In the summer of 2026, A3 Environmental Consultants (A3E) paired Phase I Environmental Site Assessments with an environmental site compliance audit program covering 15 power generation
- Published in Environmental Consulting, Environmental Due Diligence, Project Profiles
An SPCC compliance audit verifies that a facility’s Spill Prevention, Control, and Countermeasure Plan — required under 40 CFR Part 112 for facilities storing oil above regulatory thresholds — is accurate, enforceable, and ready for a regulator’s visit. Since 2020, a Northern Illinois natural gas utility has relied on A3 Environmental Consultants (A3E) to run
- Published in Environmental Consulting, Environmental Remediation, Project Profiles
A natural gas plant Phase 1 ESA is an environmental due diligence report that documents the current and historical environmental conditions of a gas processing facility before a purchase, refinance, or expansion. A3 Environmental Consultants (A3E) completed a natural gas plant Phase 1 ESA in Corinth, Illinois for Dawood Engineering, Inc., acting on behalf of
- Published in Environmental Due Diligence, Project Profiles
This channel naturalization project turned a planned concrete channel into native habitat. The City of Belvidere, Illinois engaged C.E.S., Inc. to address chronic sediment accumulation and maintenance challenges in the 6th Street Channel, a municipal stormwater conveyance that had become increasingly difficult and costly to maintain. The City’s original plan called for lining the channel
- Published in Ecological Services, Project Profiles
When federal dollars fund a community project, the National Environmental Policy Act (NEPA) requires a thorough environmental review before construction begins. For the Wood Dale Park District’s Central Park redevelopment — a $324,475 HUD-funded project in DuPage County, Illinois — that meant a full HUD environmental review: a 24 CFR Part 58 NEPA Environmental Review
- Published in Project Profiles
Public utility provider(s) in Northern Illinois rely on A3 Environmental Consultants (A3E) to manage their Underground Storage Tank (UST) removal and closures. In addition, A3E provides UST Compliance Audits to keep our clients on the right side of the Office of the State Fire Marshal (OSFM). Our clients work hard to avoid regulatory compliance issues
- Published in Project Profiles, Environmental Consulting, Environmental Remediation
When a federally funded health center project moves forward, a NEPA Environmental Assessment is the gatekeeping document that determines whether construction can proceed. The National Environmental Policy Act (NEPA) requires federal agencies to evaluate the environmental consequences of proposed actions before committing resources — and for the Inner-City Muslim Action Network (IMAN), that meant hiring
- Published in Project Profiles
This project profile covers A3E’s well sampling work at the Thornton Quarry for the Metropolitan Water Reclamation District of Greater Chicago (MWRD). The Golden Gate Bridge is an amazing structure – massive, sitting across a fault line, beautiful and elegant in a way that complements nature and the surrounding city. The Hoover Dam is enormous
- Published in Project Profiles
This project profile covers a wetland delineation Illinois regulators verified: a 23-acre site in Lisle, DuPage County. In August 2024, A3 Environmental Consultants completed a wetland delineation for Professional Environmental Engineers, Inc. at a 23-acre site along Lincoln Avenue in Lisle, DuPage County, Illinois. The area, a mix of residential, commercial, and recreational land use,
- Published in Ecological Services, Environmental Due Diligence, Project Profiles
Clean water supports public health, economic stability, recreation, and ecological integrity. In 2025, A3 Environmental Consultants (A3E) partnered with the Region 1 Planning Council (R1) to develop a comprehensive Water Quality Report – Our Our Water’s Health in the Rockford Region – for the Rockford Metropolitan Area. Spanning parts of Boone, Ogle, and Winnebago counties,
- Published in Ecological Services, Environmental Consulting, Project Profiles
A well-designed Strategic Conservation Plan is more than a document, it is a decision-making framework that helps land trusts and public agencies protect the right land, at the right time, for the right reasons. In Northwest Illinois, where working agricultural landscapes intersect with high-value waterways and remnant natural habitats, conservation decisions must balance ecological function,
- Published in Ecological Services, Environmental Consulting, Project Profiles
Counties across Northern Illinois face a familiar challenge: impaired waterways, regulatory pressure, and limited budgets colliding with very real water quality problems. A well-developed watershed plan is often the difference between reacting to impairment listings and proactively improving streams, lakes, and downstream receiving waters. Over the past decade, A3 Environmental Consultants – known as Olson
- Published in Ecological Services, Project Profiles
Habitat enhancement is a critical tool for protecting and restoring high-value natural areas in highly urbanized regions like Cook County, Illinois. With more than 69,000 acres of preserves under management by the Forest Preserves of Cook County (FPCC), proactive ecological stewardship is essential to maintain biodiversity, ecosystem services, and public value. Since 2019, A3 Environmental
- Published in Ecological Services, Project Profiles
A well-executed Watershed Plan is one of the most effective tools municipalities have to protect water quality, prioritize infrastructure investments, and meet regulatory expectations without guessing. In 2022, A3 Environmental Consultants (A3E) led development of an EPA-approved Watershed Plan for the Winneshiek Creek watershed in Stephenson County, Illinois. The effort balanced technical analysis, stakeholder priorities,
- Published in Ecological Services, Project Profiles
A wetland mitigation bank is only as successful as its planning, performance standards, and long-term monitoring. For municipal and government stakeholders, the difference between a functional public asset and a regulatory headache often comes down to early technical decisions and sustained agency coordination. In Afton, Wisconsin, the Bass Creek Wetland Mitigation Bank demonstrates how a
- Published in Ecological Services, Project Profiles
Chicago’s John G. Shedd Aquarium is one of Chicagoland’s most respected cultural and scientific institutions, internationally recognized for its freshwater and marine conservation leadership. Beyond its iconic lakeside campus, Shedd is deeply invested in protecting and restoring the region’s waterways through research, education, and community partnerships. The South Branch Initiative (SBI) is one of Shedd’s
- Published in Project Profiles
What Is Nonpoint Source Pollution? Nonpoint source pollution (NPS pollution) is contamination that enters waterways from diffuse, widespread sources rather than a single identifiable discharge point. Unlike a factory pipe dumping waste into a river, nonpoint source pollution comes from rainfall and snowmelt moving across land — picking up fertilizers, pesticides, sediment, oil, bacteria, and
- Published in Project Profiles
In October 2024, A3 Environmental Consultants completed a wetland delineation study as part of the Meadowlands Drainage Study in Sterling, Whiteside County, Illinois. The site, a 17-acre parcel with a 5.7-acre man-made stormwater pond and a fallow farm field, required a detailed evaluation to assess potential wetlands and their regulatory status. The site was bordered
- Published in Environmental Due Diligence, Project Profiles
College of DuPage is a public community college with its main campus in Glen Ellyn, Illinois. The college also owns and operates satellite campuses in Addison, Carol Stream, Naperville and Westmont. With more than 20,000 students, the College of DuPage is the second largest provider of undergraduate education in Illinois, after University of Illinois Urbana-Champaign. Asbestos Containing Materials Survey Before starting any demolition, rehabilitation, or renovation of
- Published in Environmental Due Diligence, Project Profiles
This leaking underground storage tank closure project at Midway Airport began with an open LUST incident that the IEPA had not closed. The Illinois Air National Guard (IL ANG) is a reserve component of the U.S. Air Force and a state militia unit under the jurisdiction of the Illinois governor. Its 3000 employees are stationed
- Published in Project Profiles, Environmental Due Diligence, Environmental Remediation
This project profile documents an ongoing airport environmental assessment program, a Preliminary Environmental Site Assessment (PESA) program, A3 Environmental Consultants performs for a major international airline. A PESA is the corridor- and facility-scale equivalent of a Phase 1 ESA — if you’re new to the process, start with what a Preliminary Environmental Site Assessment is
- Published in Project Profiles, Environmental Due Diligence
The largest airline in the world, consisting of over 100,000 employees, who is the leading United States carrier for flights across both the Atlantic and Pacific, offering direct flights to international destinations contracted A3E in 2024 to perform PFAS sampling (groundwater and tap water testing) at the hangars on the northwest side of Chicago O’Hare
- Published in Project Profiles, Environmental Due Diligence, Environmental Remediation
This brownfield community involvement project profile covers the Focal Point Community Campus in Chicago. In 2012, what began as the site for a new Saint Anthony Hospital to replace its 121-year old facility and continue providing services and employment to the west and southwest sides of Chicago, evolved to a vision for greater access to
- Published in Project Profiles, Environmental Due Diligence, Environmental Remediation
This brownfield grant writing project profile covers how A3E helped secure USEPA brownfield grant funding for the Focal Point Community Campus in Chicago. In 2012, what began as the site for a new Saint Anthony Hospital to replace its 121-year old facility and continue providing services and employment to the west and southwest sides of
- Published in Project Profiles, Environmental Due Diligence, Environmental Remediation
This brownfield remediation project profile covers A3E’s work for Chicago Southwest Development Corporation on the Focal Point Community Campus in Chicago. In 2012, what began as the site for a new Saint Anthony Hospital to replace its 121-year old facility and continue providing services and employment to the west and southwest sides of Chicago, evolved
- Published in Project Profiles, Environmental Remediation
This air monitoring project profile covers the four months of perimeter and personnel air monitoring A3E performed, starting September 2023, at a former manufactured gas plant in Chicago. In 1868 Chicago Gas Light and Coke Company built a Manufactured Gas Plant (MGP Plant) to produce coal gas at 1180 N. Crosby Street, Chicago, Illinois. In
- Published in Environmental Due Diligence, Environmental Remediation, Project Profiles
In April 2023, a wetland survey was conducted for a 3-acre project area in the town of Wyanet, found in lovely Bureau County, Illinois, intended for cell tower construction. The land use at the time was grazing pasture with a pond and drainage ditch, a wooded area to the east, and a naturalized area to
- Published in Ecological Services, Environmental Due Diligence, Project Profiles
Demolition is a crucial process in the construction industry that involves removing a building or structure to make way for a new project. However, it’s essential to ensure that demolition projects are executed safely and efficiently, which is where the pre-demolition hazardous building materials survey comes in. The purpose of a pre-demolition hazardous building materials
- Published in Environmental Due Diligence, Project Profiles
This UST remediation project profile covers a former gas station owned by the Lake Villa School District. The Lake Villa Illinois School District purchased a property back in 2000. The site is a former gasoline station that had three underground storage tanks (UST) removed in 2009. A release was declared during removal of the USTs
- Published in Project Profiles, Environmental Due Diligence, Environmental Remediation
A3 Environmental Consultant’s client is the owner of several gas stations. One of these gas stations, located in Alsip, Illinois, experienced a LUST incident (IEMA Incident #20150675, IEPA LPC #0310035069) in 2015. Following the release, approved Stage 1 and Stage 2 investigations were undertaken from 2016 to 2019. However, shortly after submission of the Stage
- Published in Project Profiles, Environmental Due Diligence, Environmental Remediation
The site is a Federal Correctional Institution (FCI Pekin). A3 Environmental Consultants performed a UST Environmental Project at a facility located at 2600 South Second Street in Pekin, Illinois (the ‘Site’). On June 14-15, 2021, Earth Services, contracted by Greenwave Consultants (Greenwave) of Springfield, IL removed one (1) 1,000- gallon used oil Underground Storage Tank
- Published in Project Profiles, Environmental Due Diligence, Environmental Remediation
Illinois Tool Works (ITW) is ranked 201 in Fortune Magazine’s 500 largest US Businesses. Headquartered in Glenview Illinois, ITW is a manufacturer of thousands of different items from Zip Ties to Hobart Mixers. In the course of doing business, ITW was interested in purchasing the former Chase Brass & Copper building which also formerly held
- Published in Environmental Due Diligence, Environmental Remediation, Project Profiles
This project profile documents a preliminary site investigation from 2022 — an IDOT PSI A3 Environmental Consultants performed at the Vandalia Maintenance Yard. A PSI is the corridor- and facility-scale equivalent of a Phase 2 ESA — if you’re new to the process, start with what a Preliminary Site Investigation (PSI) is and how it
- Published in Environmental Due Diligence, Project Profiles
A client with 65 years history providing heavy construction equipment rental from 109 facilities located across all 50 states contacted A3 Environmental Consultants seeking help with their purchase of a 24 acre industrial site. They had historic a Phase I ESA and a Phase II ESA showing contamination on the site indicative of heavy automotive
- Published in Environmental Remediation, Environmental Due Diligence, Project Profiles
This CADD project profile shows A3E’s drafting and GIS work producing CCDD site figures. Chicago Public Schools (CPS) is the third largest school district in the United States and is entrusted with educating the children of Chicago Illinois. With a total of 658 schools servicing over 400,000 students, CPS aims to provide a safe, healthy
Busey Bank is headquartered in Champaign Illinois and has lending operations across the midwest and Florida. With a history dating back to 1868, Busey Bank currently has 1400 employees serving 47 locations and is a major business lender in their three state footprint. Due Diligence Figures A3E CADD Services provides due diligence figure packages for
- Published in Environmental Remediation, Environmental Due Diligence, Project Profiles
A Chicagoland environmental company performed a Phase I ESA as part of a refinancing program for an apartment complex in Chicago Illinois. In the process they identified two underground storage tanks (UST) which were used to serve fuel oil to the HVAC system in years past. That meant an underground oil tank removal. A3E works
- Published in Environmental Remediation, Environmental Due Diligence, Project Profiles
This brownfield redevelopment project profile covers a former auto service and dry cleaner site in DeKalb. In 2017 Wendler Engineering Services contacted A3 Environmental Consultants requesting to have their Site Remediation Project (SRP) site closed out so they could sell the property. The site was located in downtown DeKalb, Illinois and was the former location
- Published in Environmental Remediation, Environmental Due Diligence, Project Profiles
In 2019 A3 Environmental Consultants won their first of two consecutive bids for routine groundwater sampling at the Thornton Quarry, in Thornton Illinois for the Metropolitan Water Reclamation District of Greater Chicago (MWRDGC). The MWRD is responsible for all the water runoff and storm sewer outflow for their management area. They built an enormous public
- Published in Environmental Remediation, Project Profiles
Oxford Bank & Trust refinanced a large strip mall in Mundelein Illinois for a closely held real estate company. During the Phase I ESA a dry cleaning facility which was still an active tenant at the strip mall was suspected to have leaked chlorinated solvents, including tetrachloroethylene or PCE. A Phase II ESA was performed
- Published in Environmental Remediation, Project Profiles
CBRE is a worldwide real estate services company headquartered in Dallas Texas with satellite offices in Oakbrook Illinois. CBRE is in the business of property management, sales and due diligence for property transactions. As such they employ many professionals who work hard to illuminate risks being taking by buyers and sellers of commercial real estate.
- Published in Project Profiles, Environmental Consulting, Environmental Remediation
A3 Environmental Consultants received a phone call from a landlord and current owner of a warehouse industrial facility. He was very interested in marketing the property for sale and was hamstrung by a Phase I ESA he had purchased where the consultant had identified two Recognized Environmental Conditions (REC) he personally disagreed with. This warehouse
- Published in Environmental Due Diligence, Project Profiles
This project profile documents an industrial Phase II ESA A3 Environmental Consultants performed on a former steel fabrication plant in Hammond, Indiana. New to the process? Start with what a Phase II ESA is and what a Phase 2 ESA costs. A steel fabrication business that has been in business for over 100 years contracted A3 Environmental Consultants to perform a
- Published in Environmental Remediation, Project Profiles
Essential Utilities is a utility company that has stakes in Pennsylvania, Ohio, North Carolina, Illinois, Texas, New Jersey, Indiana and Virginia The company provides drinking water and wastewater treatment infrastructure and services. Aqua America is Essential Utilities water services arm. Aqua America called A3E OES which is a joint venture between A3 Environmental Consultants and
- Published in Project Profiles, Ecological Services, Environmental Due Diligence
In November of 2021, Integrity Investment Funds (IIF), RFO Holdings, LLC, contacted A3 Environmental (A3E) to perform a Phase I Environmental Site Assessment (ESA) at an abandoned plastic manufacturing plant (an industrial property) located in Rantoul, Illinois (Subject Property). IIF indicated the property was to go to auction in the Spring of 2022 and A3E
- Published in Project Profiles, Environmental Due Diligence
A3E CADD Services provide complete figure sets for all clients requiring UST removal and excavation sampling. When we identify tanks in the ground that have been damaged or forgotten, action needs to be taken the ensure the safety of the public for the generations to come. Part of this process is to convey to the
- Published in Environmental Remediation, Project Profiles
This gas station UST removal project at Rand River Auto in Streamwood, Illinois was completed through the Illinois Site Remediation Program (SRP). In 2018, A3 Environmental Consultants was contracted to review a Phase I ESA which was completed twenty years earlier. The Phase I ESA identified the property as a former gas station. At the
- Published in Environmental Due Diligence, Environmental Remediation, Project Profiles
Public utility provider(s) in Northern Illinois rely on A3 Environmental Consultants (A3E) to track waste streams, both hazardous and non-hazardous in their systems. A3E performs sample collection and analytical data reviews to determine the correct method for disposal of the material, which includes incineration, grouting in place, or final disposal at a Subtitle D landfill.
- Published in Project Profiles, Environmental Consulting, Environmental Remediation
Public utility provider(s) in Northern Illinois rely on A3 Environmental Consultants to track waste streams, including PCB waste, both hazardous and non- hazardous in their systems. A3E performs sample collection, analytical data reviews to determine the correct method for disposal of the material which includes incineration, grouting in place or final disposal at a Subtitle
- Published in Project Profiles, Environmental Consulting
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