Contamination of the Colombo Reservoir conduit Plan, that might be a muddled organization of open water passages and bogs occupation to the tempest channel wants of bigger Colombo, has been perceived as a serious natural issue. A Water Perspective screen program is being applied by SLLR&DC starting around 1990, any place month to month estimations are recorded at twenty areas for ten boundaries. a work was made to coordinate the information, Partner in Nursing examination of the water viewpoint system of each and every area, and an investigation of its relationship with reservoir conduit water level and normal month to month precipitation, by fostering a simple, userfriendly PC bundle alluded to as the Water Perspective Screen. it'll help the client in decisionmaking, concerning the come-at-capable degree of viewpoint for a particular site, and whether that perspective level likely could be arrived at by factor the reservoir conduit water level. It conjointly gives a general arrangement on what amount of the objective viewpoint is come-at-capable with the weakening and flushing consequence of precipitation. A unique component of WVS is that the office gave to dissect the client's own data sets, with the exception of the inbuilt Colombo data. This paper portrays the rule, philosophy of advancement and furthermore the utilization of the bundle of the 'Water Perspective Screen'.