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3. American Water Works Association (AWWA) (2004). WaterStats 2002 Water Utility Distribution Survey CD-ROM, 2002. First Edition. Denver, CO: American Water Works. Available at http://www.awwa.org/store/productdetail.aspx?productid=6948
4. American Water Works Association Research Foundation (AwwaRF) (2000). Guidance for Management of Distribution System Operation and Maintenance. Report 90803. Denver, CO: AWWA Research Foundation.
5. American Water Works Association Research Foundation (AwwaRF) (2002). Impacts of Fire Flow on Distribution System Water Quality, Design and Operation. Report 90913. Denver, CO: AWWA Research Foundation.