Water utilities should conduct a comprehensive audit every 5 to 10 years depending on the findings of the Annual Statistical Report audit. A comprehensive audit is strongly recommended for communities/systems showing significant and unexplainable increases in unaccounted-for water (UAW) from one year to the next, and for communities/systems that are consistently unable to meet regulatory standards for UAW.
Water suppliers should perform assessments of their systems on a regular basis to determine where capital improvements are appropriate and incorporate the recommendations into a long-term capital improvement program. Specifically, aged and undersized or deteriorated pipe should be replaced, and sound pipe should be cleaned and lined to ensure long term structural integrity.
21.a Every municipality should have up-to-date water system audits and assessments