# Your Water Bill and CCF — What that Means

Our City of Atlanta water bills are measured in CCF.  The first C is roman numeral “C” for 100.  The following CF is for cubic feet.  If your water bill indicates 3 CCF you have used 300 cubic feet of water during the billing month.

There are a couple of problems with measuring this way.

1. The City’s meters are inaccurate.
2. The range of measurement is in increments of 100 Cubic Feet.  So you could actually use 251 cubic feet of water one month and 349 cubic feet the next and your bill would show the same amount (300 cubic feet) for both months even though you used nearly 100 cubic feet more water the second month.
3. Who knows what a cubic foot of water looks like?

Each cubic foot of water equals 7.48 gallons.  Let’s just say 7 1/2 gallons.  We can visualize that.
The nationwide average use for residential households PER PERSON is about 100 gallons a day.  This includes watering the lawn and garden.

For a family of three that’s 300 gallons a day or 9,000 gallons per month.  The City of Atlanta bill would show a consumption of 12 CCF per month.  That’s a lot of water and a big water bill.

Let’s cut that in half without cutting back life style.  All the following examples will be for a family of three and all usage numbers are based on studies done by the United States Green Building Council.

Lavatory sink – average family of three usage = 7.5 gallons/day
Shower head – average usage = 37.5 gallons/day
Toilet – old 6 gallon per flush average usage = 90 gallons/day
Watering lawn average usage = 140 gallons/day

Clothes washing, average usage = 24 gallons/day (three loads a week)
Dish washing average usage = 15 gallons/day
Leaks average waste = 10 gallons/day
Total                                               324 gallons/day
If you take these measures, here’s what you will save:
• Install low flow sink aerator subtract 3.75 gallons/day
• Low flow shower head subtract 18.75 gallons/day
• Get a 1.28 gallon per flush toilet subtract 71 gallons/day
• Collect rainwater for lawn and garden subtract 140 gallons/day
• Stop leaks subtract 10 gallons/day
Total Savings = 243 gallons/day

New water use = 80 gallons/day
New monthly CCF use = 3.2 CCF

Obviously your usage will be different from this example here’s a web site you can personalize:
http://www.csgnetwork.com/waterusagecalc.html
Here’s the City’s web site that explains how the tiered water usage charges are figured out
http://www.atlantawatershed.org/custsrv/TieredWaterRate.htm
Here’s a Greening Neighborhoods recent tip on the cost of watering our gardens with municipal water.
http://greeningneighborhoods.com/2011/04/13/outrageous-water-bills-heres-help/

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