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