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 Geosynthetic Liner Installation

At COMANCO, our core focus centers around the meticulous installation of geosynthetic liner systems. Each year, our dedicated teams install over 100 million square feet of geosynthetics across the nation. This vast experience has enriched our expertise, encompassing a wide range of geosynthetic components, including:

  • Geomembranes
  • Geocomposites
  • Geotextiles
  • Geosynthetic Clay Liners

Maintaining Quality and Pursuing Technological Innovation

We are deeply committed to quality and have made substantial investments in advanced quality control measures to ensure the complete integrity of our systems. These measures are further reinforced through the use of cutting-edge test equipment, ingeniously designed and crafted by our very own experts at COMANCO.

In our pursuit of excellence, we have always been at the forefront of adopting and implementing emerging technological advancements. This commitment is backed by a dedicated team of quality control technicians who meticulously inspect and test every seam, weld, and repair, adhering to rigorous procedures.

COMANCO takes pride in offering an industry-leading ‘as-built’ reporting system, which provides real-time diagrams that meticulously document the location of each panel. These visual representations offer a three-dimensional view that not only logs the elevation but also pinpoints the precise location of every seam, weld, and repair. This remarkable capability is made possible by the use of GeoCAAB software which utilizes data gathered from GPS survey equipment to create an accurate depiction of the site during and after installation.

As the quality leader in liner and geosynthetic installation across the United States, COMANCO boasts a team of crew members with most having dedicated more than five years to our company. These seasoned crews play a pivotal role in ensuring that your installation is not only completed on schedule but also within budget, offering you peace of mind throughout the process.


At COMANCO, our journey in the geosynthetic pond liner industry spans over 34 years, and during this time, we’ve established ourselves as industry leaders driven by our unwavering commitment to safety, quality, and service. We take immense pride in our dedicated team, which includes more than 50 IAGI Certified Welding Technicians. This wealth of expertise ensures that your pond liner repair needs are not only met but done with exceptional efficiency and top-notch quality.

If you find yourself with a damaged pond liner or require regular inspections as part of your O&M permit, there’s no need to fret or postpone. Our skilled technicians are readily available and equipped to handle your geosynthetic pond liner repairs while upholding the highest standards of excellence. It’s a solution that offers peace of mind and a renewed sense of confidence in the integrity of your pond liner.

Here’s why investing in regular inspections for your pond liner is essential:

  • Leak Prevention: Routine inspections help identify and address potential issues before they escalate into costly leaks, protecting your pond and the surrounding environment.
  • Compliance Assurance: For those with O&M permits, regular inspections are vital to ensure compliance with regulatory requirements, averting potential fines or penalties.
  • Prolonged Lifespan: Timely maintenance and repairs can extend the lifespan of your pond liner, safeguarding your long-term investment.
  • Environmental Responsibility: Regular inspections and repairs reflect your commitment to environmental stewardship, ensuring that your pond remains a sustainable and eco-friendly asset.

At COMANCO, we are not just experts in geosynthetic pond liners; we are your reliable partners in preserving the integrity of your pond and the environment it serves. Our focus on safety, quality, and service means you can trust us to deliver solutions that stand the test of time. Don’t hesitate to reach out; we are here to ensure your pond remains a dependable and secure feature for years to come.

Pipe Installation

While COMANCO may not be the first name that comes to mind when you think of pipe installation, we have expertly installed miles of HDPE, PVC, and iron pipe every year. Our capabilities span a wide range of applications, including:

  • Leachate Pipe: Essential for the safe management of liquid byproducts in landfills.
  • Force Mains: Serving as crucial conduits for transporting wastewater under pressure.
  • Manholes: Providing access to underground utility systems for maintenance and inspections.
  • Stormwater Piping: Supporting the efficient drainage and management of stormwater.
  • Landfill Gas Headers: Facilitating the collection and transport of landfill gas.
  • Collectors: Serving as integral components in various industrial processes.
  • Wells: Key for accessing underground water resources in a controlled and safe manner.

While these services are often carried out in conjunction with geosynthetic liner installations, we also offer standalone pipe installation services. Our skilled technicians are not only well-versed in their craft but are also extensively trained to work safely under all conditions, even in confined spaces.

At COMANCO, safety is our utmost priority. In instances where hazardous fumes are present, we deploy gas monitoring equipment and vigilantly oversee the situation to prevent potentially fatal accidents. This unwavering commitment to safety underscores our dedication to not only delivering quality services but ensuring the well-being of our personnel and the integrity of the projects we undertake. With years of experience and a focus on your safety and project success, we stand as experts in the field, ready to meet your unique needs.

Landfill Gas Control and Recovery

Landfills, while serving as crucial waste management facilities, also generate methane and other gases during the natural decomposition of solid waste. At COMANCO, we specialize in landfill gas (LFG) control and recovery systems, providing a comprehensive range of services that include:

  • LFG Well Drilling and Installation: Establishing the infrastructure for gas collection.
  • LFG Transmission Systems: Ensuring efficient transportation of collected gas.
  • LFG Flare Installation: Facilitating the safe combustion of collected gases.
  • LFG Leachate Collection System: Managing and containing liquid byproducts within landfills.
  • LFG Collection Headers: Coordinating the collection of gases for further processing.

Our commitment to your safety and the success of your projects is unwavering. We provide experienced LFG technicians who are not only highly skilled but also extensively trained to operate under diverse conditions, even in confined spaces where potentially hazardous gases may be present. To mitigate risks, we deploy gas monitoring equipment to swiftly detect any lethal gas concentrations, ensuring continuous and vigilant monitoring.

At COMANCO, our emphasis on safety is backed by comprehensive training programs that prioritize the well-being of our field personnel. Our dedicated LFG crews, paired with our nationwide reach, allow us to consistently deliver quality and safe results, wherever your project demands.

COMANCO is more than a service provider; we are your trusted partner in risk reduction and results delivery. With our safety-first approach and extensive experience, we are dedicated to ensuring the well-being of your project and the communities we serve.


In the realm of project commencement, site preparation, often involving extensive earthmoving, stands as the crucial initial step. COMANCO, with its wealth of experience, an array of cutting-edge equipment, and a team of trained heavy-equipment operators, is well-equipped to take on projects of various scales and complexities.

Our expertise extends to general excavation, encompassing up to 500,000 cubic yards, with proficiency in:

  • Grading: Ensuring the precision of the terrain for your specific project requirements.
  • Trenching: Creating necessary pathways and excavations to support your project’s infrastructure.
  • Dewatering: Managing the control of groundwater and excess water for a wide range of applications.

Our earthmoving services are often seamlessly integrated with our geosynthetic installation offerings, ensuring a comprehensive and streamlined project approach. COMANCO’s impressive equipment fleet includes CAT and John Deere dozers in various sizes, each equipped with GPS capabilities, facilitating tasks such as spreading fill, cutting grade, and fine grading. We also boast John Deere 350 machines for off-road articulating trucks and pipe work. Our diverse fleet is further complemented by excavators, articulated off-road haul trucks, and 3 & 4-yard wheel loaders.

What truly sets us apart is our unwavering commitment to ensuring that our fleet is not only up-to-date but also impeccably maintained by factory-trained mechanics. This meticulous maintenance regimen significantly minimizes delays arising from equipment failures, ensuring a smoother and more efficient project timeline.

At COMANCO, we place the utmost importance on safety. Not only are our operators proficient in operating the equipment, but they also undergo comprehensive training, conducted by professional trainers provided by CAT and John Deere. This training extends beyond operations to encompass safety practices and awareness, a reflection of our core principle: safety always comes first.


In the realm of topographic surveying applications, COMANCO excels in offering a comprehensive range of services that cater to various project needs. Our expertise in this field spans an array of critical areas, including:

  • Real-Time Existing Conditions: Providing accurate and up-to-the-minute insights into the current state of your project site.
  • Pre-Bid Quantity Verifications: Assisting in meticulous quantity assessments before the bidding process.
  • Pre-Construction Quantity Verifications: Ensuring that your project begins on a solid foundation with precise quantity assessments.
  • Project Progress: Monitoring and tracking the evolving progress of your project.
  • Airspace Takeoffs: Facilitating the precise measurement and assessment of airspace requirements.
  • Stockpile Takeoffs: Enabling efficient and accurate assessments of stockpile quantities.

Achieving Accuracy


Our commitment to accuracy is unwavering. Our fully licensed operators, complying with 14 CFR part 107, employ the Photogrammetry Method with Ground Control Points, capturing between 500,000 to 10,000,000 shots within a specified survey area. Additional check points are meticulously captured to verify that elevation aligns within a 2-3cm range of the base surveying results.


Ensuring safety is paramount in all that we do at COMANCO. Unlike traditional rover surveying, our employment of drone and boat technology minimizes exposure to potentially hazardous conditions, such as steep slopes, intense heat, or contaminated water, prioritizing the well-being of our team.


While we maintain a steadfast focus on efficiency, rest assured that it does not come at the expense of quality. Our processes enable your company to receive data within an impressive 24-48 hour timeframe, accompanied by the convenience of regular updates to gauge project progress. In addition to these essential updates, our technology provides an array of valuable assets, including aerial photographs, high-definition 4K video, and intricate 3D modeling, all of which collectively enhance the quality and comprehensiveness of our service.


Within the domain of hydrographic surveying, we specialize in a wide array of applications that are pivotal in understanding and managing water-related aspects. Our expertise is focused on:

  • Water Balance: We delve into intricate assessments of water balance, aiding in the comprehension of water flow dynamics, distribution, and management. This knowledge is essential for effective water resource management and environmental conservation.
  • Liquid Volume (Current, Availability): Our precision-driven surveying techniques enable the accurate measurement and evaluation of liquid volume, considering both current and overall availability. This information is invaluable for diverse applications, from water resource planning to environmental impact assessments.

Our proficiency in hydrographic surveying is the result of years of experience, dedication to precision, and a commitment to staying at the forefront of the field. We stand ready to provide invaluable insights and support for your water-related projects, ensuring the efficient and responsible management of this vital resource.