twice a day every day. by shutting the water off, you save an average of 180 gallons per month, per person.
don't wash laundry unless it is really dirty. i don't know how many times my daughter has taken clothes out of her dresser and i wash them, even though they were never worn!
save enough dirty laundry to do a full large load instead of doing a few small loads.
run your dishwasher only when it is completely full.
use cold water when cooking. not only will it save money by not using hot water, it will be better for you. i'm not sure if you have ever seen the inside of a 