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We Do The Math

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The Tampa Tribune

Published: March 21, 2009

Updated: 03/21/2009 12:33 am

DOING

THE MATH

Considering these factors ...

1 inch

Of water per week is required to keep most St. Augustine grass alive.

624 gallons

Are needed to provide one inch of water for 1,000 square feet of turf.

8,400 square feet

Is the average lot size for houses in Tampa. Assume that your house, driveway and landscaping take up half of that.

2,000 gallons

Of water are used per cycle by the average residential irrigation system

10 gallons

Of water flow from the average hose per minute

This is how much watering time you'll need:

To match the average irrigation system, you'd need to run your hose at full throttle for

3 hours and 20 minutes.

To provide an inch of water to a lawn on an average lot in Tampa, you'd have to water for

4 hours and 23 minutes.

Note: Remember, you must evenly distribute the water; otherwise, the soil won't absorb it and your efforts will be wasted on runoff.

Corrie Benfield

Sources: Tribune archives, ehow.com, Redwood Barn Nursery, www.wateractionguide .com, Hillsborough County

Considering these factors ...

This is how much watering time you'll need:

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