Our Water Supply Comes From Rain - SFWMD
Transcript of Our Water Supply Comes From Rain - SFWMD
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Our Water Supply Comes From Rain
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Most Rainfall is “lost”
• Average of 52 inches of rain per year
52” of rain
45” lost
• Almost 45 inches “lost” to evaporation and transpiration
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Two Seasons: Wet …
70% of annual rain falls during summer
• Replenishes lakes and underground aquifers
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Two Seasons: … Dry
Highest demands during dry winter/spring • Tourists • Seasonal Residents • Food Crops
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We work with local
governments to identify
future water needs and
sources within four regions
Traditional sources are
limited
Alternative sources include
aquifer storage & recovery,
desalination and reclaimed
water
Water Supply Planning for the Future
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The Economical Alternative is Conservation
Water Conservation
• Less expensive than developing new sources
• Reduces stress on natural systems
• Easy to implement
• Environmentally responsible
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Benefits of Year-Round Conservation
• Reduces wasteful water use
• Saves money
• Helps stretch wet season water supplies through drier months
• Reduces severity of potential water shortages
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• A call for governments and large users to lead by example
• Increased education and social marketing
• Year-round landscape
irrigation measures
• Adopting and incorporating Florida-friendly landscaping
• Retrofitting of water-guzzling fixtures and appliances
A Comprehensive Approach – Key Strategies
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SFWMD - Leading by Example
• Conducting extensive indoor and outdoor water usage audits
• Installed dual-flush toilets and waterless urinals
• Landscaping exceeds native planting and irrigation efficiency requirements
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Education and Marketing Initiatives
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• School-based curriculum and education programs
• Public information
• Professional development
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Year-Round Irrigation Measures
• SFWMD year-round landscape irrigation conservation measures are now in effect
• Local governments may have ordinances in place that differ – always check!
• Regional or local water shortages may prompt
emergency water use restrictions
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How Much Water Does Your Lawn Really Need?
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Plant needs Typical rainfall Extra water needed
Seasonal rainfall typically provides enough water, except during height of dry season
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What a Waste!
1’
2’
3’
4’
5’
6’
7’
• Watering your lawn every other day for 15-30 minutes adds up to 7 feet of water per year MORE than what your
grass needs to stay green and healthy
wasted
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How to Prevent Overwatering
• Set automatic timer based on seasonal plant needs
• Use a rain or soil moisture sensor
• Use micro-irrigation or any other low-volume method whenever possible
• Be sure to comply with any year-round ordinances or water shortage restrictions
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Other Lawn Care Tips
Water only areas that show signs of stress
Water early in the day – best before sunrise
Water deeply = longer roots
Keep mower blades sharp and raise the blade
Don’t fertilize until summer rains
Use Florida-friendly landscaping
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Florida-Friendly Landscaping
Nine principles:
• Right plant, right place
• Water efficiently
• Fertilize appropriately
• Mulch
• Attract wildlife
• Manage yard pests responsibly
• Recycle
• Reduce stormwater runoff
• Protect the waterfront
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Retrofit Water-Guzzlers
Fix that Leak
• One drop per second from a leaky faucet = 3,150 gallons per year!
• 10,000 homes = 31.5 million gallons!!!
Replace old fixtures & appliances
• Install low-flow toilets
• Replace old showerheads
• Add aerators to faucets
• Use more efficient dishwashers & washing machines
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Change Your Habits, too!
Little things can make a big difference
• Turn off the faucet when brushing your teeth or rinsing vegetables
• Take shorter showers
• Don’t use toilet as a waste basket
• Wash full laundry and dish loads
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• Check out EPA’s WaterSense website to find information on appliances and products that use less water
• When traveling in Florida, stay in WaterCHAMP or Green Lodging designated hotels
Additional Ways to Be Green & Save Water
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For more tips, visit us online at
savewaterfl.com
It’s Up to YOU!