Transcript Document
Draft Revised Ordinance
Cross Connection Control and
Backflow Prevention
March 27, 2015
Sun City Center
Summary of Control Requirements
Residential Connections
Florida DEP
Rule 62-555.360
Hillsborough County
Draft Ordinance
Summary of Control Requirements
Residential Connections
Water utilities must:
Prohibit crossconnections unless
appropriate backflow
protection is
provided
HC:
Prohibits all crossconnections
What is a Cross Connection?
Backflow Protection
Required
Dwelling
Summary of Control Requirements
Residential Connections
Water utilities must:
Prepare a cross
connection control
plan
Summary of Control Requirements
Residential Connections
Water utilities must:
Report annually
Inventory of
Backflow Protection
Double Checks
Tested
Dual Checks
Refurbished/
Replaced
HC:
Summary of Control Requirements
Residential Connections
Minimum Backflow
Protection
Auxiliary (pond, well) or
reclaimed water system
and no known crossconnection, Dual Check
HC:
No auxiliary water
system or only reclaimed
water, Dual Check
Other auxiliary water
(pond, well), Double
Checks
Summary of Control Requirements
Residential Connections
If a cross-connection is
discovered, water
utilities must:
Ensure cross-connection is
eliminated, OR
Upgrade backflow protection
to:
Double check for wells
RP for surface water
(ponds)
HC:
No crossconnections
Summary of Control Requirements
Residential Connections
Water utilities must:
Refurbish or replace
dual check devices at
least once every 5 to
10 years
HC:
HC will own Backflow
Preventers and be
responsible for testing
and maintenance
Double checks are only
refurbished or replaced
if testing indicates
failure (useful life = 20+
years)
How Much will Program Cost?
Cost of Proposed Backflow Program
$450,000
$11,400,000
Dual Checks for All Residences ($75 each)
Double Checks for Residences with Irrigation System Fed by Pond or Well ($150)
Cost of Program Relative to Overall
Capital Improvement Budget?
Cost of Proposed Backflow Program
$11,850,000
$400,000,000
FY15 - FY19 Capital Improvement Program for Water
Proposed Backflow Program
Next Steps?
Review Valuable Input from Sun City Residents
Review Comments and Refine Draft Ordinance
Meet with Cross-Connection Control Board
Draft Ordinance submittal to FDEP
Submit Final Draft Ordinance to Hillsborough
County Board of County Commissioners
Implement by January 1, 2016
For more information:
American Backflow Prevention Association video
https://www.youtube.com/watch?feature=player_embedded&v=t
VRtfTIqCl0
Florida Department of Environmental Protection’s Statement of
Estimated Regulatory Costs (SERC)
American Water Works Association
http://www.awwa.org/about-us/policy-statements/policystatement/articleid/193/cross-connection.aspx
National Research Council, Drinking Water Distribution
Systems: Assessing and Reducing Risks
Questions?
Summary of Control Requirements
Residential Connections
Water utilities must:
Evaluate customers’ premises
Questionnaires
Review construction plans
Inspections
When?
New Construction
Connection to reclaimed water
Auxiliary water system (Pond,
Well) is discovered
Cross-connection is discovered
Building permit for renovation
HC:
Same