Express Plumbing Heating & Air Blog

Here in the northern states, we’re pretty good about winterizing our systems for the coldest months. But did you know that the rain can affect your septic system as well? We get into warmer months and think we’re out of the woods, but heavy rain can cause problems for you if you aren’t careful.

Heavy rainfall may flood the ground around your drain field. This makes it impossible for water to flow out of your system. The result of this is that it will cause the water to travel backward through your system and into your home! A flooded drain field can also result in sewage flowing into the groundwater and local water sources. This puts the environment at serious contamination risk.

Don’t worry! There are things you can do to minimize these risks. Follow these few tips through the rainy season and you can help avert these issues from your tank.

Before a Heavy Rainfall:

  • Make sure that your tank is in fine working order. It is wise to have your tank inspected regularly to make sure everything is working correctly.
  • Try to direct runoff water from your home away from your drain field. Keep your gutters clean and make sure the downspout is pointed away from your drain field.
  • Make sure not to drive any heavy vehicles or plant anything but grass above the drain field. These things could compact the soil and affect the drain field’s ability to absorb and treat wastewater.

During a Heavy Rainfall:

  • If you begin to notice that drains are backing up or draining slowly, that means your system is under stress. The only way to help it is to use it less. Try to minimize the water you’re sending down the pipes if possible.
  • Try skipping showers, flushing only when necessary, and not running the dishwasher. If possible, try to hold off on doing laundry until the storm has passed and your system begins to function normally.

After a Heavy Rainfall:

  • If you think that there is any damage or if there is a significant amount of water over the drain field that does not recede, have a professional inspect it.
  • If silt and debris have made their way into the tank, have it pumped immediately.

Remember, it’s better to be safe than sorry. If you suspect your tank has been stressed due to rain, give Express Plumbing Heating & Air a call. We’re standing by to keep your system in working order!

Brad Jordan

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