Troubleshooting your septic system is a terrible DIY project. This article provides 9 of the most common septic issues. We hope it gives homeowners the ability to at least spot the problem before anything escalates into a larger problem.
The nine common septic system issues include tank overloading, pipe clogs, and sewage backups. We’ll provide practical solutions to help you maintain a healthy septic system, prevent water contamination, and avoid unexpected leaks or floods.
1. Overloading the System

Overloading the septic system occurs when excessive water enters the septic tank too quickly. This can overwhelm the tank’s capacity to process waste effectively, leading to incomplete treatment and potential backups in the plumbing or septic drain field.
Common causes of overloading include running multiple water-intensive appliances simultaneously, leaky faucets, or outdated plumbing fixtures. These issues can significantly increase the volume of liquid entering the septic system, disrupting its normal function.
To prevent overloading, homeowners should spread out water usage throughout the day and fix any leaks promptly. Installing water-efficient fixtures and appliances can also help reduce the strain on the septic tank and drain field, ensuring proper waste treatment.
2. Clogged Pipes

Clogged pipes are a common issue in septic systems, often causing slow drainage and potential sewage backups. These clogs can occur in various parts of the system, from the toilet to the soil absorption field, impeding proper sewage treatment.
Tree roots seeking moisture can infiltrate pipes, causing blockages and damage to the septic system. Additionally, flushing non-biodegradable items or excessive amounts of household waste can lead to pipe obstructions, disrupting the flow of wastewater.
Regular maintenance, including professional inspections and pumping, can help prevent pipe clogs. Homeowners should also be mindful of what they flush and consider installing root barriers to protect their septic system’s integrity.
3. Tree Root Intrusions

Tree roots can be a big problem for septic systems, causing damage and even backflow. As trees search for water, their roots can grow into pipes and septic tanks, leading to clogs and damage. Regular inspections can help catch these issues early.
If you notice bad smells or slow drainage, tree roots may already be causing trouble in your septic system. It’s important to act fast to avoid more serious damage. Removing nearby trees or adding root barriers can help protect your system.
Professional septic services are needed to clear out roots from pipes and tanks. Experts can also suggest ways to prevent future problems and keep your septic system working properly.
4. Sewage Backup

Sewage backup happens when wastewater can’t drain properly and flows back into your home through pipes and drains. This issue is often caused by a full septic tank, clogged pipes, or problems with the drain field, leading to bad smells and health risks.
A percolation test can check if the soil in your drain field can absorb waste correctly. If the soil can’t filter wastewater, it can cause the drain field to overflow and lead to backups.
To avoid sewage backups, it’s important to get your septic tank pumped and inspected regularly. Also, avoid flushing non-biodegradable items and be mindful of water usage to keep your system running smoothly.
5. Drain Field Failure

Drain field failure occurs when the soil absorption area becomes saturated, preventing proper filtration of wastewater. This can lead to foul odors, including sewer gas, and visible puddles on the surface. Regular inspections by a qualified plumber can help detect early signs of drain field problems.
Excessive grease and non-biodegradable materials flushed down sinks can contribute to drain field failure. These substances clog soil pores, reducing the field’s ability to absorb and treat wastewater effectively. Homeowners should avoid disposing of grease and other harmful substances in their plumbing systems.
Addressing drain field failure often requires professional intervention. A thorough inspection can determine the extent of the damage and necessary repairs. In some cases, the drain field may need to be replaced or expanded to restore proper septic system function.
6. Mechanical Failures

Mechanical failures in septic systems can lead to sewage backup and require immediate septic system repair. Common issues include malfunctioning pumps, broken pipes, or damaged tank baffles, which can disrupt the proper flow and treatment of wastewater.
Regular maintenance, including cleaning the grease trap and using septic-safe toilet paper, can prevent many mechanical failures. However, when problems occur, professional intervention is often necessary to diagnose and fix the issue, ensuring the system’s proper function.
During septic system construction or repair, it’s crucial to address potential mechanical vulnerabilities. This may include:
- Installing high-quality components
- Ensuring proper sealing of connections
- Implementing protective measures against external damage
7. Leaks

Leaks in septic systems can lead to environmental contamination and require immediate attention. Regular septic tank cleaning and pumping can help prevent leaks by maintaining proper pressure and preventing tank overflow.
Reliable septic services can detect and repair leaks in tanks, pipes, or drain fields. Professional technicians use specialized equipment to locate and assess the extent of the leak, ensuring proper septic system repair.
Homeowners, especially with compact lots, should be vigilant for signs of leaks, such as wet spots in the yard or foul odors. Prompt septic service can address these issues, preventing further damage and costly repairs to the septic system.
8. Improper Installation

Improper installation of septic systems can lead to numerous septic problems, requiring costly septic tank repairs. Poor workmanship or inadequate planning during installation may result in system failures, environmental contamination, and health hazards.
A thorough septic inspection by qualified septic system services is crucial to identify installation-related issues. These professionals can assess the system’s components, including tank placement, drain field design, and pipe connections, to ensure compliance with local regulations and industry standards.
Common installation errors that may necessitate septic tank services include:
- Incorrect tank size or placement
- Inadequate drain field sizing or improper slope
- Poor soil percolation assessment
- Improper pipe connections or sealing
9. Chemical Imbalance

Chemical imbalances in septic systems can disrupt the natural bacterial processes essential for waste breakdown. Excessive use of harsh chemicals or antibacterial products can kill beneficial bacteria in the septic tank, leading to ineffective treatment and potential sewer line issues.
Homeowners should be cautious about what enters their septic system to maintain a healthy bacterial balance. Using septic-safe cleaning products and limiting the use of antibacterial soaps can help preserve the microbial ecosystem within the tank. Regular septic tank pumping also aids in maintaining proper chemical equilibrium.
When chemical imbalances occur, they can impact the entire septic system, from the tank to the drain field. This may lead to inadequate treatment of wastewater, potentially contaminating groundwater. Professional septic services can assess and correct chemical imbalances, ensuring the system functions effectively:
Chemical Imbalance Cause | Effect on Septic System | Solution |
---|---|---|
Harsh cleaning products | Kills beneficial bacteria | Use septic-safe cleaners |
Excessive antibacterial soaps | Disrupts bacterial balance | Limit the use of antibacterial products |
Chemical buildup | Ineffective waste treatment | Regular septic tank pumping |
Need help with a Septic System Problem for Your Home? Call Dirt Guys.
Looking for a Yamhill County’s Septic Installer, here we are. Dirt Guys has been working on residential and commercial excavating projects for years, is well-trained to handle complex logistical projects, and is one of the top-rated excavating contractors in all of Yamhill County. We have years of experience in all kinds of earthwork, including excavating projects.
Give us a call to schedule your estimate or have a simple conversation over the phone at (503) 997-8412.
Frequently Asked Questions
How often should I have my septic tank pumped?
Septic tanks typically require pumping every 3-5 years, depending on household size, water usage, and tank capacity. Regular maintenance prevents system failures and costly repairs. Consult a professional to determine the ideal pumping schedule for your specific septic system.
Can tree roots damage my septic system?
Tree roots can indeed damage septic systems, seeking out moisture and nutrients from leach fields. They can infiltrate pipes, causing blockages and structural damage. Regular inspections and proper landscaping practices can help prevent root-related septic system issues.
What causes sewage backup in a home?
Sewage backups in homes can occur due to clogged pipes, tree root intrusion, damaged sewer lines, or overwhelmed municipal systems during heavy rainfall. Regular maintenance, proper disposal practices, and installing a backflow prevention device can help prevent these issues.
How can I prevent chemical imbalances in my septic system?
To prevent chemical imbalances in your septic system, avoid harsh cleaners and excessive use of antibacterial products. Instead, opt for septic-safe alternatives and limit water usage. Regular maintenance, including pumping every 3-5 years, helps maintain a healthy bacterial balance essential for proper functioning.
What are some of the areas you regularly serve?
We proudly serve homeowners throughout Dayton and McMinnville. You might spot our trucks working near (45.2603332436840000, -123.0218174329400000) in the Dundee neighborhood, close to Newberg Rod and Gun Club. If you don't see us there, you'll catch us working across the greater Yamhill County area.