THE IMPORTANCE OF
BACKFLOWS

FEDERAL AND STATE LAW REQUIRES ALL PUBLIC WATER SUPPLY SYSTEMS TO PROTECT THE WATER SUPPLY
FROM POTENTIAL CONTAMINATION OR POLLUTION. CONTAMINATION CAN OCCUR WHEN A WATER SUPPLY LINE
TO A CUSTOMER IS CONNECTED TO EQUIPMENT CONTAINING A SUBSTANCE NOT FIT FOR DRINKING. THESE
CONNECTIONS ARE CALLED
CROSS-CONNECTIONS. IN ORDER TO PREVENT CONTAMINATION OF SUPPLY LINES
FROM THESE
CROSS-CONNECTIONS, THE PUBLIC WATER SUPPLY COMPANIES HAVE DEVELOPED AND
IMPLEMENTED AN ORDINANCE WHICH REQUIRES ALL
INDUSTRIAL, COMMERCIAL, AND IRRIGATION CUSTOMERS
TO OBTAIN A BACK-FLOW PERMIT AND INSTALL BACK-FLOW PREVENTION ASSEMBLIES.

NCDENER ( NORTH CAROLINA OF DEPARTMENT OF NATURAL RESOURCES ) HAS CLASSIFIED ALL IRRIGATION
SYSTEMS AS
HIGH HAZARDS. ACCORDING TO DENER  REQUIRMENTS ALL IRRIGATION SYSTEMS MUST HAVE AN
RPZ ( REDUCED PRESSURE ZONE ) BACK-FLOW INSTALLED AND TESTED ANNUALLY BY A CERTIFIED BACK-FLOW
TESTER.

REASONS WHY TO KEEP THEM TESTED

SITES TO CHECK OUT

http://liquidassets.psu.edu/

www.epa.gov/ogwdw/pdfs/crossconnection/crossconnection.p

http://water.epa.gov/learn/training/dwatraining/upload/dwaSDWA-CWAimplementstandardstrategies.pdf

http://www.nrwa.org/whitepapers/risks/risks03/risk03/risk03.pdf

http://www.backflowpreventiontechzone.com/Backflow_IV.htm

http://projects.nytimes.com/toxic-waters/contaminants

http://www.abctlc.com/courses/BackflowAwareness.pdf

http://www.deh.enr.state.nc.us/pws/rules/CompleteRules.pdf

http://www.osha.gov/dts/osta/otm/legionnaires/domestic.html

http://water.epa.gov/polwaste/nps/whatis.cfm

http://www.treeo.ufl.edu/backflow/



                                                            BACKFLOW TESTING IS A MUST......!


















                                                                          
                                                                                          
THIS IS FOR  OUR SAFETY
                                        WATER IS AMERICAS LARGEST ASSET

   
                                              
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DLI SERVICES, INC.
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