Clearing the way for your dreams, one acre at a time.
Tri County Wastewater Systems, LLC is a proud Texas Company located in the heart of the Texas Hill Country. Established in 1997, we bring many prior years of training in the septic industry, general construction, and extensive site work and utility experience. Our owner, Mark Heinen, is a proud and honorable veteran of the United States Marine Corps, and his experience has instilled in him the values of integrity, attention to detail, and the ability to listen to customer needs and intentions for land ownership.
As a family-oriented business, we pride ourselves on our strong values of accountability and customer satisfaction. Our expertise in the products and regulations of the TCEQ allows us to be experts in our field, providing excellent service to every customer. Additionally, our connections to the heavy equipment excavation industry enable us to tackle large-scale projects with multiple pieces and varieties of equipment, ensuring a seamless experience for our clients.
Our references are extensive and speak to our commitment to quality and integrity. We also provide references to additional local trades as well as outside third-party trades specializing in various construction skills from engineering to more tech-specific trouble-shooting.
Services Offered
At Tri County Wastewater Systems, we specialize in a wide range of services, including:
- Land Clearing and Site Services: Our land clearing and site services include road culverts, driveways, excavation, site work projects, mobile home packages, residential septic installation and repair, trenching, rock removal, and rock retainer wall. Our experience covers a large range of services, and we offer product warranties and written guarantees to provide our customers with confidence and competitive value.
- Septic Systems: We are experts in engineering and installing septic systems to meet the needs of your home, ranch, or park. Our experienced team ensures that your septic system is properly designed, installed, and maintained to meet your needs.
- Site Work and Utilities: We offer complete leveling and foundation work to get you ready for a manufactured home, cabin, or building the house of your dreams. Our site work and utility services include water, electrical, and septic services, and we ensure that everything is installed and functioning properly.
- Dirtwork and Excavation: Our dirtwork and excavation services include grading for proper water runoff, meeting your building needs, and removing rocks and other debris from your site. Our team is highly skilled in all aspects of dirtwork and excavation, and we ensure that your site is prepared for construction quickly and efficiently.
Our service areas in Texas include Medina TX, Bandera TX, Kerrville TX, Vanderpool TX, Comfort TX, Utopia TX, Pipe Creek TX, Bandera County TX, Kerr County TX, Kendall County TX, and Medina County TX.
At Tri County Wastewater Systems, we are dedicated to providing our customers with the highest level of service and expertise. Contact us today to learn more about our services and how we can help you with your residential land clearing, site work, and wastewater needs.

Be the first to review Tri County Waste Water Systems.
Write a Review