Cross Connections Document Index

The following is a complete list of documents relating to Charleston Water System’s cross connection requirements. If you have questions, please call (843) 727-7148 or send us an e-mail.

Download	Format	Last Updated
Cross-Connection Control Program Manual on Backflow Prevention Explaining requirements, selection, detailed illustrations for installation, process for obtaining water. This document is designed to be a detailed workbook for ensuring system protection by containment backflow protection.	PDF	11/2/2007
Cross-Connection Control Ordinance Board-approved document (section H of Water Rules and Regulations) giving Charleston Water System the legal authority to require a program on backflow prevention.	PDF	11/27/2007
Standard Operating Instructions for Contractors, Plumbers and Testers Includes notification protocol and penalties for non-compliance.	PDF	11/1/2007
List of Vertically-Approved Double Check Valve Assemblies	PDF
Clarification Document Provides clarification on the 2-feet of Copper Requirement; Clarification on Installation; Clarification on Testing After Repairs and Clarification on Assemblies Found to be in Non-compliance	PDF
List of Approved SC DHEC Certified Testers All backflow prevention assembly testing must be performed by a person listed in this document. We have listed them in a three-tiered manner based on their level of specific backflow prevention education.	PDF	6/30/2008
Required Field Testing Procedures Charleston Water System has adopted field testing procedures developed and taught by the University of Florida TREEO Center. Charleston Water System Approved Testers are required to utilize these instructions ONLY.	PDF
Tester Ethics Policy Charleston Water's code of conduct for testers.	PDF	6/5/2007
Degree of Hazard Assessment for New Construction Details on which type backflow prevention assemblies will be required based on a Degree of Hazard.	PDF
Clarification on Backflow Prevention Assembly Information on the selection, installation and listing of vertically approved DCVA's and what piping material is approved for backflow prevention assembly installation.	PDF
Transient and Nontransient Hydrant Use Policy This policy includes all relevant information on procedures, costs, etc. related to temporary use of Charleston Water System fire hydrants.	PDF	12/28/2007 New rates for hydrant use effective 1/1/2008
State Primary Drinking Water Regulations SC regulations on cross connection control, amended in April 2005. For more information about the SPDWR, visit SCDHEC's web site.	PDF
Plumbing and Building Code Updates Charleston Water System is code-sensitive and requires the conformance of building and plumbing codes.	PDF
Thermal Expansion Information Charleston Water System has prepared a two-page document detailing how this condition is caused and how it can be eliminated or contained. Charleston Water System requires all new construction to conform to the current SBCCI Plumbing Code. Thermal Expansion protection was first required by these codes in 1994.	PDF
System Protection Questionnaire Please complete this form to assist us in determining the necessary backflow prevention protection for your water service.	Fillable PDF form	11/1/2007

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