The Healthy Home

Protect Your Family’s Health and the Environment
With Proper Wastewater Management

By Dennis F. Hallahan, P.E., Technical Director, Infiltrator Systems, Inc.

We’ve all heard the nightmarish stories. A family just finishes home renovations and extensive landscaping and then it happens . . . a smelly, messy and costly waste backup, all because a critical component of the household operating plant, the septic system, was overlooked. Sure the contractor should have suggested they have it checked before proceeding, but he didn’t.  And, after all, they weren’t even sure where it was located.  This is a scenario that is easily avoided with just a few minor steps that will not only save you headaches and money, but will protect your family’s health.

Septic System 101: The Basics
One in four households in the U.S. use a septic system onsite to process household waste consisting of blackwater (toilet waste) and greywater (kitchen and laundry waste).  The septic system naturally treats and purifies this wastewater and returns it safely to the environment to recharge groundwater supplies.  Sometimes, it’s even incorporated into a reuse system for irrigation, saving even more money for the savvy homeowner.  Today’s septic systems are safe, efficient and cost effective. They can be basic, or they can be designed with special features and components for homes with high water use or those in environmentally sensitive areas.

What Makes Up A Septic System?
Each septic system has two basic components: a septic tank and a leachfield (sometimes called a drainfield).  Wastewater travels from the home through the waste pipe and into the septic tank.

Primary treatment occurs in this tank, where bacteria digest organic materials in the wastewater.  The effluent then flows into the leachfield for secondary treatment.  Here, bacteria complete the digestion and purification process as the wastewater slowly leaches back into the soil. The leachfield can be made of plastic leaching chambers or traditional stone and pipe.  Septic systems can also have filters and other advanced components depending on your geographical location and local codes and regulations.

Why do I need to know all this?
A septic system may be out of sight, but it definitely should not be out of mind.  Just as you need to have your furnace serviced and keep the oil changed in your car, proper general maintenance and awareness of your daily living habits and your system’s operation will improve the life and health of your system, protecting your home investment and your family.

How Do I Operate a Healthy System?

Conserve water. Large volumes of water entering the system over a short period of time will flush untreated solids out of the tank before this pretreatment process is complete.

  • Turn off the faucet while brushing your teeth.
  • Spread out heavy water use such as washing clothes and showers.
  • Repair leaky faucets.
  • Replace old toilets that use up to five gallons per flush with new 1.6-gallon toilets.

Keep drains clean. If it’s not biodegradable, it doesn’t belong in the system.

  • No cat litter, coffee grounds, cotton swabs, diapers, cigarettes, or sanitary products.
  • No paints, oils, chemical drain cleaners, solvents, poisons, or pesticides.
  • No grease or cooking oils.
  • Go easy with the garbage disposal.
  • Reduce use of disinfectants, antibacterial soaps, bathroom cleaners, and bleach.

Schedule Regular Maintenance. Most septic tanks need pumping every three to five years.  High water usage may result in the need for more frequent service.

  • Hire a septic system contractor to inspect your tank.
  • Keep a regular maintenance schedule and record.

Keep surface water away.

  • Divert water from downspouts, roofs, driveways, and sump pumps away.
  • Landscape your yard to channel rainwater away from your septic system.

Encourage the right plants.

  • Grow grass or ground cover over the septic system to prevent soil erosion.
  • Plant beneficial evergreens, such as pines, near the leachfield to absorb water.
  • Avoid planting water-loving trees such as willow, poplar, swamp maple, or cypress.

Avoid physical damage.

  • Don’t drive over your septic system.
  • Don’t dig in the leachfield, or cover it with a structure, concrete, or blacktop.

If I suspect a problem, what should I do?
Contact a professional septic contractor for help.  Should a repair or replacement be necessary, review your options carefully.  Ask about new environmentally superior technologies, such as chamber leaching systems.

What kind of records should I keep?
Keeping a septic system location map and maintenance log is an important step in understanding and managing your septic system.  A free septic system care brochure that includes how to graph your system’s location and how to create a system maintenance schedule is available for download by visiting the Infiltrator Systems, Inc. website.  The website also offers general information for homeowners on septic system selection and care. You can email the Consumer Information Department, Infiltrator Systems, Inc. at info@infiltratorsystem.com or call 1-800-221-4436.

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