It's good to water your lawn and plants every other day in order to conserve water.  This will cut your water usage in half and it's not going to hurt your grass at all.  It's actually beneficial to the lawn because watering too much hurts the root system.  Studies have shown that most people overwater their lawns by over 50%. 

Start conserving at a high rate.  If things start looking a little more brown than usual then you can start watering a little more often.

Alternatively, you can water daily, but cut down on the amount of time your sprinklers are on each day.  A few minutes of water is all your grass really needs.

Don't forget to water at night when it's cool outside and never water on windy days. As much as 30% of water used can be lost to evaporation by watering your lawn during midday.  It's best to water your lawn in the early morning when the grass has the most amount of dew on it.  This allows the dew to absorb into the soil.

The amount of water used by a sprinkler in one hour is equal to the daily water needs of a family of four!  The average sprinkler will use in excess of 240 gallons of water per hour.  If the average person sprinkles every day for a half hour and reduced that to once a week, one could save 37,560 gallons a year!! This is huge!

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