Introduction

In rural and off-grid areas, traditional sewer systems aren’t always an option. That’s where On-Site Wastewater Treatment Systems (OWTS) come in. These systems treat and dispose of wastewater right on the property where it’s generated, providing an eco-friendly, cost-effective solution for managing household or small business waste.

What Is an OWTS?

An OWTS is a decentralized wastewater treatment method that processes sewage from a single building or a small group of buildings. The most common type? The septic system. But there are many other variations, including advanced treatment units and constructed wetlands.

 Components of an OWTS

• Septic Tank: Primary treatment through sedimentation.
• Distribution System: Evenly distributes effluent.
• Drain field or Leach Field: Soil treatment to filter and disperse water.
• Advanced Units (Optional): Aerobic treatment units, sand filters, etc.

Environmental Benefits

• Reduces load on municipal systems.
• Promotes groundwater recharge.
• Prevents contamination when properly maintained.

Common Problems & How to Avoid Them

• System overload (e.g., water usage too high).
• Poor maintenance (e.g., infrequent pumping).
• Root intrusion or clogging.
• Soil failure due to compaction or saturation.

Maintenance Tips

• Pump every 3–5 years (or as needed).
• Watch what goes down the drain (no grease, chemicals, wipes).
• Conserve water to reduce strain.Get regular inspections.

Choosing the Right System

Depends on:

• Soil type
• Lot size
• Water table depth
• Local regulations

 Regulations and Permitting

Most local health departments have rules regarding OWTS design, installation, and operation. Always check before digging!

The Future of On-Site Treatment

With advances in green tech and stricter environmental laws, expect to see more smart monitoring systems, compact designs, and even nutrient-recovery options.

 Conclusion

On-site wastewater systems are a practical, sustainable option for many properties. When properly designed, installed, and maintained, they protect the environment, save money, and provide peace of mind.

Our service department is staffed by the most highly trained field technicians in the Inland Northwest. Our dedication to continuing education is your assurance that we will be able to maintain and repair your equipment well into the future. With a wide range of experience our service technicians bring a diverse collection of skills including system controls integration, telemetry, variable speed drives, turbine pumps, submersible pumps, centrifugal pumps, water treatment, complex wastewater treatment packages and sewage lift stations just to name a few. With technicians on call 24/7, qualified help is just a phone call away.