alachua county landscape irrigation efficiency code august 25, 2015
TRANSCRIPT
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Alachua County Landscape Irrigation Efficiency Code
August 25, 2015
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Residential Water Use
Toilet, 10.8%
Clothes Washer, 8.7%
Shower, 6.8%
Faucet, 6.3%
Other, 0.9%
Bath, 0.7%
Dishwasher, 0.6%Leak, 5.5%Unknown, 1.0%
Outdoor, 58.7%
Chart Source: AWWA 1999
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Water Use
There are at least 14,000 landscape irrigation systems within Alachua County
Average daily water use in newer homes: 358 gallons- with irrigation system 190 gallons- without irrigation
90% of new homes (in GRU’s service area) have irrigation systems
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Reducing Outdoor Water Use
• Public education– Television commercial– Facebook posts/contests
• Irrigation schedule restrictions• Change development trends– Florida Water Star Program
• Proposed landscape irrigation efficiency code
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Proposed Landscape Irrigation Efficiency Code
Landscaping Efficient Irrigation
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Stakeholder Outreach
• Builders Association of North Central Florida (BANCF) Liaison meetings (2014-2015)
• Presentations at stakeholder meetings• Joint City/County Water Policy Committee (4/13/15)• League of Cities Meeting (5/26/15)• County Manager letter (6/1/15) and email (7/9/15) to
City Managers (6/1/15)• Hawthorne (7/7/15), High Springs (7/9/15), Newberry
(7/13/15), Alachua (7/27/15), Gainesville (8/6/15)• Public workshop with cities (8/5/15)
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Intent• Reduce discretionary outdoor water use• Improve water quality by reducing lawn
chemical pollution from inefficient irrigation
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Water Quality• Numerous water bodies in Alachua are
impaired by nitrogen and phosphorus• Residential fertilizer is one of the main sources• Proper irrigation management is key to
reducing nutrient pollution
Photo by John Moran - May 2012
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Jurisdiction and Applicability• Applies within Alachua County
(including municipalities)
• All new residential/commercial irrigation systems (including open space and common areas)
• Does not apply to temporary irrigation for establishment or to Florida Water Star Certified properties
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Alachua County Charter
• Voter approved referendum November 11, 2000 amended County Charter
• Establishes County authority to set minimum standards for air and water resources protection
• Recognizes city authority to establish stricter standards
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Irrigation Professional Registration
• All irrigation professionals installing and/or maintaining irrigation systems must register with Alachua County by November 1, 2015.
– Business name, contact information, certifications– No registration fee proposed
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Irrigation System ApprovalAll new irrigation systems require County approval• Proposed effective date March 1, 2016
• Submit completed Application Review Form, irrigation site sketch, and fee
• County will review and send approval letter
• System inspection
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Irrigation System Inspection
All new systems must be inspected by one of these methods:
A. Self inspection by irrigation contractors with Irrigation Specialty Contractor Licensure by the State of Florida or by Florida Water Star Accredited Professional, or
B. 3rd Party Inspection by Florida Water Star Certifiers, or
C. Inspection by Alachua County (inspection fee required)
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• High volume irrigation shall not exceed 60% of landscaped area (applicable on lots over 1/8 acre).
• Maximum irrigated area of residential lots shall not exceed 0.5 acres.
Design Standards
Spray head
Rotor
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• No high volume for trees and shrubs• Separate zones for spray heads and rotors• Separate zones for turf and mulched areas• Pressure regulating spray heads• No overspray to impervious areas
Design Standards
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Completion of Installation
• Irrigation professionals must conduct final testing
• Must provide property owner with:– Site sketch– Self inspection form– Manual for irrigation controller– Maintenance schedule and recommendations
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Maintenance of Irrigation Systems
• Annual inspections for leaks and performance• Rainfall shut off devices properly functioning• Irrigation systems with known leaks shall not
be operated until corrected• Systems must be re-adjusted to meet
irrigation timing restrictions 60 days after installation
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Exemptions• Agricultural activities• Vegetable gardens and fruit trees • Athletic Fields, golf courses, cemeteries
Public
Supply49%
Agriculture
37%
Domestic Self Supply7%
Power5%
Recreational2%
Industrial1%
2010 Groundwater data for Alachua County (USGS)
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Alternative Compliance
• Consideration of alternative compliance methods for unique site features, innovative design, or extraordinary hardship
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Code Implementation
• County will offer training opportunities for local irrigation professionals.
• Violations of the code will lead to written warnings, fines, and possibly court appearances.
• Retrofitting of non-compliant irrigation systems
may be required to achieve compliance.
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Penalties
• Per provisions of Chapter 162–Civil Citations*–Codes Enforcement Board
*Funds go to the Clerk and may not be used to offset program costs
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Program Costs$35,500 proposed re-allocation of existing EPD staff and operating budget included in FY16 budget.
Review and inspection fees revenue will off set a portion of program expenses.
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Return on Investment
• Water utility bill savings will offset start up costs
• Estimated $700 - $1000 per yard for more efficient irrigation and landscaping
• Estimated 2 to 3 year payback period
• Property owner may choose to install higher value landscaping that is not required by the Code
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20162017
20182019
20202021
20222023
20242025
20262027
20282029
2030 -
0.5
1.0
1.5
2.0
2.5
3.0
Mill
ion
Gal
lons
Per
Day
Projected Annual Water Use Reductions (MGD) For New Residential Construction
Assumptions:
• 5% annual growth in construction from 2014 baseline.
• 90% of new residential sites have irrigation.
• 60% savings of traditional baseline water use.
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Planning NOW, so there is
adequate water for the future.
California Drought Photo Credit: NY Times
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Staff RecommendationAdopt the Landscape Irrigation Efficiency Code