
Wastewater is an unavoidable byproduct of both daily life and industrial operations.
Residential wastewater is generated from everyday household activities such as washing, cooking, laundry and sanitation. This type of wastewater typically contains soaps, microorganisms, waste and organic matter.
On the other hand, industrial wastewater is usually highly concentrated and complex in nature and can contain visible pollutants or dissolved chemicals. It is produced through manufacturing, processing, cleaning and other industrial operations. Depending on the industry, industrial wastewater can contain high levels of oils and grease, suspended solids, metals, chemicals and other materials. Because of its strength and variability, industrial wastewater frequently requires specialized treatment processes before it can be discharged or reused.

The Mobile area and the broader Southeast are home to a diverse range of thriving industries, from food and beverage manufacturing to oil and gas operations. Many of these facilities generate significant volumes of industrial wastewater, each with its own unique treatment challenges. McFadden Engineering works closely with customers in these industries to provide tailored wastewater treatment solutions that ensure compliance, efficiency and environmental responsibility.
Industries that have consulted our engineers include food and beverage, pulp and paper, wastewater acceptors, oil and gas drilling and more.
In the food and beverage industry, wastewater is typically generated during washing, processing and sanitation processes. This wastewater often contains sugars, fats, proteins and other materials that result in elevated Biochemical Oxygen Demand (BOD) levels. These can overwhelm municipal systems if not properly managed. Season production peaks and frequent sanitation cycles add further complexity, making consistent treatment performance a challenge.
The pulp and paper industry produces wastewater from pulping, bleaching and other paper-forming processes. These wastewater streams include high levels of organic matter, harsh chemicals, metals and other contaminants which can be difficult to treat biologically and could require advanced chemical or physical processes to meet discharge limits. The volume of water used in the industry, combined with the complexity of contaminants, makes treatment design and optimization especially critical.
In oil and gas drilling operations, wastewater is generated from drilling fluids, equipment washdown and other operational processes. This wastewater may contain hydrocarbons, solids and chemical additives that require advanced treatment prior to discharge or reuse. Strict regulatory oversight and the risk of groundwater or surface water contamination demand robust treatment strategies that ensure safe discharge or reuse. Managing these waste streams is essential to protecting surrounding water resources and maintaining regulatory compliance.

Each of these industries faces challenges related to wastewater variability, regulatory requirements and environmental responsibility. Variability in wastewater characteristics, evolving permit requirements, and aging infrastructure can make treatment systems difficult to manage. Proper evaluation and treatment are essential to ensuring that discharges meet applicable standards.
With decades of experience in the water and wastewater sectors, McFadden Engineering brings true expertise when it comes to industrial wastewater treatment. We understand that each wastewater treatment scenario is unique in its goals, including process requirements, permitting limits and other regulations. McFadden Engineering begins with a system evaluation and compliance review, then moves into planning for optimization of the wastewater treatment system and facilities.
Our services include:
Partner with McFadden Engineering to develop an industrial wastewater treatment solution that meets regulatory requirements, improves system performance and supports long-term operational goals.

Public infrastructure makes up the backbone of how our country operates in its day-to-day. Cars, trucks, trains, boats and planes traverse land, air and water to move people and goods as quickly and efficiently as possible to keep up with our busy society.
Buildings are constructed to serve purposes from housing and office space to manufacturing and medical services. The infrastructure we can’t always see, like pipelines, sewage systems, digital networks and power lines, plays a huge role in providing daily necessities like electricity, natural gas and clean water.
Because infrastructure takes up so much space and touches many areas, even unknowingly, in our lives, it is critical for these systems to be sustainably designed, constructed and cared for to keep environmental and human health as a top priority.
According to the International Institute for Sustainable Development, sustainable infrastructure involves the development of roads, buildings, energy and water infrastructure with consideration of economic, social and environmental implications. When infrastructure is carefully planned and consciously constructed, it can make a great impact on communities.
Across the Southeast and here in our home state of Alabama, various sustainable infrastructure projects are both being developed and in the works. The Rebuild Alabama Act provides funding for road and bridge improvements across the state, with focus on generating economic growth and reinforcing safety on the state’s roadways. Additionally, the Bipartisan Infrastructure Law (BIL) offers funds for public transit, electric vehicle (EV) charging networks and rail improvements, which supports inclusive transportation options and aims to protect the environment. The BIL also provides grants for communities to improve drinking water, wastewater, and stormwater systems to protect environmental and human health by addressing dangerous contaminants.
In this part of the country, special consideration is made for potential regional hazards like hurricanes, floods, tornadoes, wildfires and other natural disasters when infrastructure projects are developed. One example is here in our own backyard, the I-10 Mobile River Bridge and Bayway, which is a large project to replace the low-lying Bayway with elevated bridges for storm resilience and better clearance for ships. New interchanges will also help motorists have an easier time navigating between Mobile and Baldwin Counties.

McFadden has played various supporting roles in sustainable infrastructure projects across the Southeast and the country, including a natural gas pipeline project in Georgia and various projects funded by Pipeline Hazardous Material (PHMSA) grants issued through the Department of Transportation (DOT). The work on these projects included environmental permitting, development of best management practices, evaluation of pipeline routes for environmental considerations such potential impacts on water bodies and wetlands, as well as the identification of environmentally sensitive areas within the project footprint.
The engineering team at McFadden can provide site assessment and remediation prior to project initiation and support environmental compliance efforts throughout projects, which are keys to developing sustainable infrastructure. Civil and environmental engineering services are critical for sustainable infrastructure projects to remain in compliance and be completed on time, and can include development master planning, grading and drainage plan development, detention/retention design and stormwater management.
McFadden also specializes in water and wastewater management, which is often a key component of infrastructure development and management. By evaluating the water and wastewater needs of the project, a solution can be developed that specifically addresses any problems.
No matter the type of sustainable infrastructure project or complexity of environmental implications surrounding it, McFadden is equipped to help. Browse our services and contact us today.

As 2025 comes to a close, our team is proud to reflect on our various projects and accomplishments. McFadden Engineering experienced a year of growth, expansion and continued commitment to sustainable environmental engineering solutions to even the most challenging water and wastewater problems.

What began as a short-term compliance support project with AM Calvert, an industry-leading steel fabricator near Mobile, Ala., has evolved into ongoing work on a variety of engineering needs. McFadden supports AM Calvert through compliance monitoring, storm water monitoring, spill plan inspection services and implementation of best management practices (BMP).
In addition to compliance-related work, the McFadden team also upgraded AM Calvert’s sample collection systems by assisting the environmental team with designs to integrate auto-sampling equipment at numerous locations within the facility. McFadden has previously worked with AM Calvert on compliance for its steel mill, so the team welcomed the opportunity for an ongoing partnership.
The installation and expansion of natural gas pipelines are a growing need across the country, including the Southeast. These projects are subject to strict environmental regulations, which made McFadden Engineering a perfect fit for ongoing environmental work for a large natural gas pipeline project in Northwest Georgia.
McFadden’s team of engineers worked on a 16-inch transmission pipeline construction project where they completed the environmental permitting and assisted with BMPs during Phase 1 of the construction. As Phases 2 and 3 prepare to begin, McFadden will continue its compliance work on the project.

McFadden had additional opportunities to work in the natural gas sector this year thanks to Pipeline Hazardous Material (PHMSA) grants issued through the Department of Transportation (DOT). The grants support natural gas line upgrades for communities across the country, and the McFadden team spent time on the road to assist with the environmental work associated with the projects.
This year, the team has completed environmental work for associated projects in North Carolina, Ohio and Kansas. The work included evaluation of pipeline routes for environmental considerations such potential impacts on water bodies and wetlands, as well as the identification of environmentally sensitive areas within the project footprint.
These projects and many others have culminated in a broader reach and an expanded footprint for McFadden Engineering during the past year. Our team continues to gain more work locally while also supporting projects across the country, from the Midwest to the East Coast and back down South.
We appreciate our clients near and far and look forward to continued growth in the coming year. If you need environmental compliance support in the new year, our team is here to help—browse our services and contact us today.