Southwest Michigan Septic Tanks

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A wooden fence is sitting in the middle of a grassy field.

Reinforced Septic Systems Built for Tough Soil and Climate Conditions

A dependable septic system begins with a tank engineered for strength, longevity, and predictable performance. In Southwest Michigan—where soil types shift, groundwater levels vary, and freeze-thaw cycles create ongoing pressure—property owners need solutions built to stand up to real-world environmental demands. At Dave’s Concrete Products, we manufacture septic tanks that deliver durable containment, reinforced structural integrity, and long-term reliability backed by 41 years of regional experience.

Every tank is produced using high-quality concrete, rigorous reinforcement techniques, watertight construction, and pressure-tested performance standards.


We proudly manufacture in Lawton, Michigan, serving the surrounding Southwest Michigan region where installations benefit from local knowledge and environmental understanding. Whether your project is located near Paw Paw, Decatur, Gobles, or Mattawan, or in nearby Van Buren County and Kalamazoo County communities, our tanks are designed to meet the area’s unique soil behavior, groundwater activity, and seasonal climate shifts. Having supplied septic tanks for residential, agricultural, and light-commercial applications across the region, we understand how local conditions shape installation requirements. From system sizing to environmental compliance, we deliver products shaped by decades of Michigan-based manufacturing insight.


Choosing our Southwest Michigan septic tanks means choosing a system built for long-term structural resilience. Each tank undergoes detailed inspection, reinforcement, and watertight verification to ensure it performs consistently under site pressures, heavy usage, and long-term environmental stress. With Dave’s Concrete Products, you aren’t simply purchasing a tank—you’re investing in a fully engineered wastewater solution built to protect your property for decades. Let our experience, workmanship, and regional expertise give you the dependable performance your septic system requires.

What We Supply in Southwest Michigan

  • 300 dosing chamber
  • 500 dosing chamber
  • 1000 gallon septic tank
  • 1000 shallow septic tank
  • 1500 gallon septic tank
  • 1500 2 compartment gallon septic tank
  • 2000 gallon septic tank
  • 600 gallon precast dry wells
  • 900 gallon precast dry wells
  • 1200 gallon precast dry wells
  • 1800 gallon precast dry wells
  • 300 gallon plastic septic tanks
  • 500 gallon plastic septic tanks
  • 100 gallon plastic septic tanks
  • 1500 gallon plastic septic tanks
  • 1500 2 compartment plastic septic tanks
  • 1.5 inch SCH40 DWV pipe
  • 2 inch SCH40 DWV pipe
  • 3 inch SCH40 DWV pipe
  • 4 inch SCH40 DWV pipe
  • Bull Run valves
  • Filters
  • Fabrics
  • Riser systems
  • Distribution boxes
  • Plastic lids

Our Septic Tank Services

Standard Single-Compartment Concrete Tanks

Our single-compartment septic tanks come in multiple residential and light-commercial capacities, offering reinforced construction, watertight sealing, and full pressure testing. These durable units deliver stable wastewater containment and consistent performance across diverse installation environments requiring dependable, long-term septic system reliability.

Multi-Compartment & High-Capacity Tanks

Our two-compartment and large-capacity septic tanks support higher flow demands, enhanced treatment efficiency, and complex property layouts. Engineered for increased retention and improved separation, these systems offer dependable performance for residential, commercial, and agricultural properties requiring greater capacity and long-term operational stability.

Dry Wells & Dosing Tanks

Our dry wells and dosing tanks support advanced wastewater layouts, enabling effective effluent distribution, improved hydraulic control, and staged processing. Designed for compatibility and performance, these units enhance system functionality where additional containment, regulated flow, or specialized wastewater management is needed.

System Accessories & Component Kits

We provide risers, lids, baffles, filters, piping, and related components engineered to integrate seamlessly with our septic tanks. Each accessory enhances installation efficiency, ensures long-term compatibility, and helps create a complete system optimized for dependable wastewater performance across various property types.

Agricultural & Rural System Solutions

Our septic solutions support agricultural and rural properties requiring reinforced durability, heavy-duty performance, and larger system capacity. Designed for long-term stability, these tanks handle remote installations, higher usage demands, and challenging site conditions commonly found in expansive or farm-based wastewater environments.

Regional Delivery & Site Coordination

We manage regional delivery across Southwest Michigan, handling placement logistics, delivery timing, and site access requirements. This coordination ensures tanks arrive safely, positioned correctly, and ready for installation, simplifying the process for contractors and property owners working across varied project conditions.

Benefits of Our Southwest Michigan Septic Tanks

Superior Structural Strength

Our septic tanks use reinforced concrete and internal steel supports to resist cracking, settling, and long-term ground pressure. Their engineered durability reduces failure risks, supports stable wastewater containment, and ensures reliable performance across residential, agricultural, and commercial settings requiring dependable, long-lasting septic infrastructure.

Optimized for Regional Conditions

Southwest Michigan’s soil types, groundwater fluctuation, and freeze-thaw cycles create unique demands. Our tanks are designed, sealed, and pressure-tested to withstand these stresses, delivering consistent performance and structural reliability regardless of changing environmental conditions or seasonal ground movement.

Multiple Sizes & System Compatibility

Available in various capacities—including common residential, agricultural, and commercial sizes—our tanks support broad installation needs. This flexibility ensures property owners and contractors can match system size to expected usage, optimizing efficiency and long-term operational reliability.

Fully Integrated System Components

We offer compatible lids, risers, filters, baffles, and piping systems designed to match each septic tank. This integration simplifies installation, minimizes coordination challenges, and ensures efficient wastewater processing through components engineered to function smoothly together.

Code-Compliant Manufacturing Process

Our tanks meet or exceed Michigan regulatory requirements through reinforced construction, watertight testing, and precise manufacturing oversight. This quality assurance supports smooth inspection processes, regulatory compliance, and dependable long-term system performance under varied site conditions.

Lower Maintenance & Lifetime Cost

High-quality precast construction reduces long-term repair needs, system failures, and unexpected maintenance issues. The structural reliability of reinforced concrete lowers lifetime costs and ensures predictable wastewater management, giving property owners long-term confidence in their system’s stability.

Rely on Septic Strength Designed for Michigan’s Toughest Conditions

A dependable septic system requires more than standard materials—it demands tanks engineered for strength, longevity, and consistent performance under real-world pressures. At Dave’s Concrete Products in Lawton, Michigan, we apply 41 years of manufacturing expertise, regional understanding, and structural engineering precision to every Southwest Michigan septic tank we produce. Our reinforced precast tanks, fully integrated accessories, and delivery support reflect decades of refining wastewater solutions that withstand environmental stress, soil variation, and long-term usage.

A wooden fence is sitting on top of a lush green field.

Whether your project involves a residential replacement, agricultural installation, or commercial development, our tanks are designed to meet Michigan codes, environmental conditions, and system performance expectations. With our products supporting your wastewater infrastructure, you’re choosing reliability, structural integrity, and peace of mind for years to come. Build with confidence—choose septic solutions engineered for lasting strength.

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Frequently Asked Questions

  • What sizes of septic tanks do you manufacture for Southwest Michigan?

    We produce septic tanks in multiple capacities, including common residential, agricultural, and light-commercial sizes. Options include single-compartment and multi-compartment systems designed for varying flow rates and property needs. This range ensures proper system sizing, efficient wastewater processing, and consistent long-term performance across diverse Southwest Michigan installation environments.

  • Are your septic tanks suitable for Michigan’s freeze-thaw climate?

    Yes. Dave’s Concrete Products designs tanks to withstand freeze-thaw cycles, ground shifting, and seasonal moisture changes. Reinforced concrete, watertight sealing, and pressure-tested construction ensure stable, dependable performance even in challenging Southwest Michigan conditions with fluctuating temperatures and soil movement.

  • Do you provide delivery for septic tanks across Southwest Michigan?

    Yes. We offer coordinated delivery throughout Southwest Michigan, managing trucking access, tank placement logistics, and on-site scheduling. Our regional proximity ensures efficient transportation, reduced delays, and reliable delivery for contractors and property owners throughout Lawton, Paw Paw, Gobles, Decatur, and surrounding areas.

  • How do I choose the right septic tank size for my property?

    Dave’s Concrete Products recommends selecting a tank size based on usage levels, soil absorption, property layout, and regulatory requirements. Evaluating these elements ensures efficient wastewater processing, reduces overload risk, and supports stable long-term performance suited to your property’s specific demands.

  • Are your tanks compliant with Michigan septic system regulations?

    Yes. Our tanks are engineered to meet or exceed Michigan’s requirements for structural strength, watertightness, and compartment specifications. Each tank is reinforced, pressure-tested, and manufactured according to approved standards, ensuring compliance during inspections and long-term operational reliability.

  • Do you manufacture accessories for complete septic system installation?

    Yes. We produce lids, risers, filters, baffles, piping, and related components that integrate seamlessly with our tanks. These accessories simplify installation, improve compatibility, and help contractors assemble reliable, efficient septic systems with parts engineered for long-term performance and secure wastewater management.

  • How should I prepare my site for septic tank installation?

    Ensure proper excavation depth, base preparation, graded elevation, and clear truck access before installation. Verifying alignment for inlet and outlet connections helps avoid complications, supports smoother tank placement, and ensures optimal performance once the system is set, connected, and backfilled.

  • What maintenance is recommended for long-term septic tank performance?

    Regular inspections, scheduled pumping, and monitoring effluent flow help maintain system efficiency. Even with durable concrete construction, avoiding harsh chemicals, protecting the drainfield, and following maintenance guidelines ensure your septic system operates reliably and maintains long-term structural and environmental performance.

What our customers have to say...

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