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Water Conservation in Miami-Dade County

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Environmental and Resource Challenges of the 21st Century. November 3rd, 2006 ... A washing machine uses 40 or more gallons of water per load, so make sure it's full ... – PowerPoint PPT presentation

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Title: Water Conservation in Miami-Dade County


1
Water Conservation in Miami-Dade County
  • F.I.U. Green Buildings and Sustainable
    Construction Technology
  • Environmental and Resource Challenges of the 21st
    Century
  • November 3rd, 2006
  • Jose K. Fuentes, Director
  • Miami-Dade Regional Service Center South Florida
    Water Management District

2
Where does Miamis water come from?
  • Traditional Source Biscayne Aquifer

3
Biscayne Aquifer is recharged by the Regional
System
4
Floridan Aquifer
  • Underlies the entire state
  • Major source of water supply in Florida, but not
    South Florida

5
Where are we today?
6
Changes in Water Resources
  • Increased Demands
  • 2005 Population 2,402,105
  • 2025 Estimated Population 3,019,785
  • Everglades Restoration (CERP)

7
Linking Land Use and Water Supply
  • Chapter 163, F.S. requires
  • local governments to identify adequate water
    supplies to support new growth

8
Potential Alternative Water Sources
  • Brackish Floridan Aquifer Reverse Osmosis
  • Ocean Water Desalination
  • Stormwater
  • Aquifer Storage and Recovery (ASR)
  • Reclaimed Water
  • Recharge
  • Irrigation

9
2004 Water Reuse County-wide
100
100
36
100
71
of Wastewater Reused Total Reuse 233MGD
28
100
81
94
6
7 represents the county-wide average of water
reuse of all water utilities in Miami-Dade
County 5 of wastewater treated by Miami-Dade
County Water Sewer is reused.
7
6
10
Short Term Agreement between SFWMD and Miami-Dade
County
  • Executed in May 2006
  • Allows 347 MGD Existing Biscayne allocation
  • Allows 2 MGD of borrowed water for 18 months
  • Requires draft alternative water supply plan by
    May 2007

SFWMD has offered to help expedite plan to
address comp plan amendments
11
Meeting Miami-Dades Demands for the Next 20 Years
2025 Demand 448 Million Gallon a Day
Facility Water Available When Construction Complete Source of Water Sources of Funding
Existing Sources3 water treatment plants 347 MGD Existing Biscayne Aquifer N/A
Proposed Alternative Sources
Hialeah Reverse Osmosis 4.5 MGD 2011 Floridan Aquifer Existing rate payersnew hookups, State and SFWMD funds
South Miami Heights Reverse Osmosis 10.0 MGD 2011 Floridan Aquifer
Needed Alternative Sources 86.5 MGD ? ? "
Demand projections are still under review
12
What is the SFWMD doing??
13
SFWMD Mandatory Water Conservation Measures
  • Water Conservation Plan
  • Adoption of an irrigation-hours ordinance
  • Adoption of an ultra-low volume fixtures
    ordinance
  • Adoption of a soil moisture sensor device
    ordinance

14
SFWMD Mandatory Water Conservation Measures
(cont.)
  • Adoption of a water conservation based rate
    structure
  • Implementation of a leak detection and repair
    program
  • Implementation of a water conservation public
    education program

15
SFWMD Supplementary Recommended Water
Conservation Measures
  • An analysis of reclaimed water feasibility
  • Wastewater Utility Infiltration Detection and
    Repair
  • Distribution System Pressure Control
  • Filter Backwash Recycling
  • Landscape Audits and Water Efficient Technology
  • Indoor Audits and Water-Efficient Technology

16
How do we become more Green?
17
Florida Friendly Plants Landscape Design
  • Planning and Design
  • Soil Improvement
  • Practical Turf Areas

18
Florida Friendly Plants Landscape Design (cont)
  • Mulch
  • Appropriate Maintenance

19
Efficient Irrigation
  • Watering by the numbers
  • Water-wise lawn watering
  • Sprinklers vs. Drip Irrigation vs. Hand watering

20
Low water-use plants
  • Water conserving plants hold on longer to the
    water they receive
  • Drought tolerant plants can go for a long time
    without water

21
Go Native Campaign
  • Native Plants provide shelter and food for
    animals
  • Conserve water and save money
  • Require little or no pesticides or fertilizer
  • Hurricane resistant
  • Preserve our heritage

22
Available SFMWD Brochures
  • 12 Simple Ways to Save Water
  • 50 Ways to Be Water Smart
  • Sensible Sprinkling
  • Xeriscape
  • Water A precious commodity

23
Being Green
24
Sustainable Development Building Measures for
County Buildings
  • Miami-Dade County Resolutions R-1200-05
    incorporates sustainable development building
    measures into the design, construction,
    renovation and maintenance of County-owned
    buildings
  • Through adoption of a well-recognized Green
    Building standard such as the US Green Building
    Councils Leadership in Energy and Environmental
    Design (LEED) rating

25
Expedited Review and Approval of Building Permit
Applications
  • Miami-Dade County Ordinance 05-115 amends Chapter
    8 creating a new section 8-8 that promotes
    sensitive design and construction
  • Expedited review and approval of permit
    applications for green buildings

26
What is Green Design?
  • Design and construction practices that
    significantly reduce or eliminate the negative
    impact of buildings on the environment and
    occupants in five broad areas
  • Safeguarding water and water efficiency
  • Sustainable site planning
  • Energy efficiency and renewable energy
  • Conservation of materials and resources
  • Indoor environmental quality

27
Benefits of Green Building
  • Environmental benefits
  • Reduce the impacts of natural resource
    consumption
  • Economic benefits
  • Improve the bottom line
  • Health and safety benefits
  • Enhance occupant comfort and health
  • Community benefits
  • Minimize strain on local infrastructures and
    improve quality of life

28
LEED Rating System Categories
  • New Construction
  • Existing Buildings
  • Commercial Interiors
  • Core Shell
  • Homes
  • Neighborhood Development

29
LEED-NC Point Distribution
  • Sustainable Sites......14 possible points
  • Water Efficiency....5 possible points
  • Energy Atmosphere17 possible points
  • Materials Resources13 possible points
  • Indoor Env. Quality.15 possible points
  • Innovation Design..5 possible points
  • Project Totals.69 possible points

30
LEED-NC Market Transformation
  • Registered Projects by State - Top 10

As of 10.19.05
All statistics exclude pilot projects
31
LEED-NC Certification Process
  • A three step process
  • Step 1 Project Registration
  • LEED Letter Templates, CIR access, and on-line
    project listing
  • Step 2 Technical Support
  • Reference Package
  • Credit Inquiries and Rulings (CIR)
  • Step 3 Building Certification
  • Upon documentation submittal and USGBC review

32
Key Elements of a green-built home or
construction with regards to water efficiency
  • Rainwater harvesting system
  • High efficiency irrigation system, with moisture
    sensors or rain delay controller
  • Installation of high efficiency (low-flow)
    fixtures, such as toilets, shower heads, and
    faucets

33
Key Elements of a green-built home or
construction with regards to water efficiency
  • Composting toilets
  • Waterless urinals
  • Graywater systems
  • Onsite wastewater treatment and reuse system for
    toilet flushing, landscape irrigation, etc

34
What else can you do!
35
Water Conservation Tips
  • Take shorter showers a 20-minute shower uses 5
    to 10 gallons per minute
  • Use low-flow shower heads, which can reduce
    excessive water use by as much as two-thirds
  • Fill the bathtub up only half way, and save up to
    25 gallons of water
  • A regular toilet uses 2 to 7 gallons per flush A
    low-flow toilet uses only 1.6 gallons
  • Fix leaks as soon as theyre discovered a slow
    drip can waste 15 to 20 gal of water per day and
    a 1/16-inch faucet leak will waste 100 gallons of
    water in 24 hours

36
Water Conservation Tips
  • A washing machine uses 40 or more gallons of
    water per load, so make sure its full
  • Automatic dishwashers use five gallons per run,
    so run at full load
  • Installing a low-flow faucet aerator can save as
    much as two gallons of water per minute

37
New Technologies for water reduction
  • Waterless Urinals
  • Instant Hot Water Devices
  • Leak Detection Equipment
  • Dual Flush Toilets

38
New Technologies for water reduction
  • Small Irrigation Controller
  • Pre-rinse Spray Valves
  • Vertical Stop Sprinkler Head
  • Water Broom

39
For more information on the SFWMD, visit,
www.sfwmd.gov, and for further information on
USGBC, please visit www.usgbc.orgor call
202-828-7422
40
(No Transcript)
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