In this research, the reality of the potabale water services in AL-Diwaniya
City was studied, it in two essential lines:
First, the analysis of water distribution in the city trunk network, by using the program
(pipe++) version 1998 to get the quantities and the directions of discharges water. Also it uses
head pressure in some related network nodes. Measurements were made, infield, from each
region to estimate head in each trunk in order to specify the regions that suffer from shortage
in water.
Second, the work to evaluates the suitability of raw and supply water. Samples of potable
water were taken from the plant taps and from taps in each region on July 2003. Water born
diseases in drinking water were specified during 2002
Statistical analysis was applied to the available data, including the AN OVA test, correlation
test, and the results were as follows: -
Raw water and drinking water considered as suitable for human use according to the Iraq and
International drinking water standards. Although exceeding the acceptable border for each of
(turbidity, hardness, sulphate, Calcium) but all of them are below allowable limit.
• Good significant relation between the percentage of polluted tap water and typhoid
during the year of study.
• Residual chlorine for each regions (2.5-0.75) mg/L.