How to Care for Your Septic System
A properly maintained septic system can last for decades with minimal issues. At MCM Plumbing, we believe every homeowner deserves clear, practical guidance to protect their investment and avoid costly emergencies. Use this guide to properly care for your septic tank, drain field, and gray water system.
Pumping Out Your Septic Tank
Over time, solid waste accumulates in your septic tank and must be removed by a professional. This process—called septic pumping—is essential for system health.
- Most systems need pumping every 2 to 3 years
- Large households or high-usage systems may require more frequent service
- Keep detailed service records to track your schedule
What Happens If You Skip Pumping?
Neglecting to pump your tank can cause serious issues, including:
- Strong sewage odors indoors or outdoors
- Toilet and sink backups
- Standing water in your yard
- Costly drain field or plumbing damage
Avoid emergencies by sticking to a regular pumping schedule based on your household’s usage.
Do You Need Septic System Treatments?
Septic systems rely on natural bacteria to break down waste. In most cases, these bacteria are sufficient and treatments are not required. However, some homeowners choose to use additives to aid digestion or reduce odor.
If you decide to use a treatment:
- Research ingredients and effectiveness before buying
- Use only products labeled septic-safe
- Steer clear of chemicals that may harm beneficial bacteria
How to Protect Your Septic System
Avoid Harmful Chemicals
- Limit use of bleach, harsh cleaners, and caustic chemicals
- Flush only toilet paper and human waste—no wipes, hygiene products, or grease
- Never pour fats, oils, or food scraps down the drain
Manage Water Usage
- Stagger laundry, dishwashing, and bathing throughout the week
- Install low-flow toilets and water-saving appliances
- Avoid sending large volumes of water through the system all at once
Drain Field Best Practices
- Do not drive or park vehicles over your drain field
- Avoid planting trees or shrubs with deep roots nearby
- Never build patios, sheds, or structures over the drain field
- Divert roof gutters and landscape runoff away from the area
Can I Discharge Water Softener Waste Into My Septic System?
It’s not recommended. While some older guidance allowed for water softener discharge into septic systems, modern best practices advise against it. The brine from regeneration cycles can disrupt the delicate balance of bacteria your system depends on and may damage your drain field over time.
Here’s why it matters:
- Brine discharge can kill beneficial bacteria needed to break down waste in the tank
- High sodium levels can compact soil and reduce percolation in your drain field
- Large volumes of backflush water from softener cycles can overload your system, especially if it regenerates frequently
What Should You Do Instead?
- Route softener discharge to a separate dry well or landscaping area, if local code allows
- Install a water softener with adjustable regeneration settings to reduce frequency
- Consult with a licensed septic professional to ensure your setup protects both your home and the environment
Keeping your softener and septic system separated helps preserve long-term performance and avoids unnecessary repairs.
Can I Plant Over My Drain Field?
Yes—but only shallow-rooted grasses or ground covers. Avoid vegetables, fruit trees, or anything with aggressive roots. Never dig more than a few inches. Septic water is not safe for edible crops, even if filtered.
How Long Should a Septic System Last?
With proper maintenance and routine pumping, modern septic systems can last 40 years or longer.
Frequently Asked Questions
Is It Safe to Have a Septic System Near a Well?
Yes—if it’s properly installed and meets local setback requirements. When in doubt, test your well water and consult a licensed professional.
Do I Really Need to Pump My Septic Tank?
Absolutely. Solids accumulate over time and can clog your system or damage your drain field. Pumping is essential for long-term performance.
Should I Use Septic Tank Treatments?
Optional. Most systems function well without them. If you do use additives, choose a septic-safe product that won’t disrupt the system’s natural biology.
Can I Overload My Septic System?
Yes. Using too much water at once can overwhelm the system. Space out your laundry, showers, and dishwasher loads to prevent strain.
How Does a Gray Water System Work?
Gray water systems divert water from sinks, showers, and laundry (excluding kitchen water) into a separate holding tank and leach field for landscape irrigation. They ease the burden on your main septic tank but must be installed correctly.
Call MCM Plumbing for Expert Septic System Service and Drain Field Repairs
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