Septic Tank Treatment Blog

Tips for efficient water usages

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In the USA the typical single family home uses almost 70 gallons of water per person per day. This average indoor water usage doesn’t even take into consideration leaking faucets or toilets. Leaky toilets can waste as much as 200 gallons each day. You’re probably thinking, how will conserving water help our septic system? The more water a household conserves, the less water enters the septic system. So here are some ways for efficient water usages.

Did you know toilet flushing accounts for 25 to 30% of your total daily indoor water usages. Each time you flush your toilet it uses 3.5 gallons per flush and even up to 5 gallons. That is usually in older homes. Most plumbing supply stores carry the high efficiency toilets that only use 1.6 gallons per flush.

Faucets aerators and shower head aerators help reduce the water volume while making it seem as if more water is coming out of the faucet than there really is. If you don’t already have them, put aerators on your sink faucets.

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Shower flow restrictors or high-efficiency shower heads are another great way to reduce your water usage.

You also want to check all your water fixtures. Leaky toilets and faucets they will waste a lot of water believe it or not. When using dishwashers, and washing machines, use only when they are fully loaded. Try and break up the laundry instead of doing it all in a single day. Also reduce water levels for small loads. You really want to avoid overburdening your septic system with high volume flows all in one day.

Here are some other tips to reduce water usage:

  • Fill the bathtub with only as much water as you need.
  • Turn off faucets while shaving or brushing your teeth.
  • Make sure all faucets are completely turned off when not in use.
  • Maintain your pluming to eliminate leaks.
  • Install low-flow aerators in the faucets in your kitchen and bathroom.
  • Replace old dishwashers, toilets and washing machines with new high- efficiency models.

I have included a chat below to show you the different between conventional and efficient homes. Some didn’t change but there are a few that did change greatly. From the chart below water usage values, we can estimate the total volume of waste water generated using conventional fixtures compared to the volume generated from more water efficient ones.


End Water Usage in U.S. Households: Typical and Efficient Alternatives


Conventional Homes

Efficient Homes

Total Water Used in Gallons




Cloth washing


















Other domestic uses



Total Water Used




Calculations for Conventional Fixtures:

Toilet Use: 18.5 gallons X 3 toilets X 4 people = 222 gallons per day

Faucet Use: 10.9 gallons X 4 sinks X 4 people = 174.4 gallons per day

Shower Use: 11.6 gallons X 2 showers X 4 people = 92.8 gallons per day

Total Water Used: 466 gallons per day


Calculations for Efficient Fixtures:

Toilets Use: 8.2 gallons X 3 toilets X 4 people = 98.4 gallons per day

Faucets Use: 10.8 gallons X 4 sinks X 4 people = 172.8 gallons per day

Showers Use: 8.8 gallons X 2 showers X 4 people = 70.4 gallons per day

Total Water Used: 341.6 gallons per day

These calculations show you that you are saving 124.4 gallons of water saved per day. If you times that by seven days that comes out to 870.8 gallons of water you could be saving by updated some of you home fixtures.

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