may 2004 best practice management of water supply and sewerage guidelines isbn 0 9752232 8 disclaimer whilst the department energy utilities sustainability has taken due care in preparation these it accepts no liability for any errors or omissions nor use by person crown copyright new south wales foreword have been published minister pursuant to section 409 6 local government act 1993 concurred with encourage continuing improvement performance identify criteria they also set out outcomes lwus need achieve order be eligible payment a dividend from surplus their businesses which required will healthy sustainable demonstrated as well compliance national competition policy lwu wishing