Effects of Water Pipe Leaks on Water Quality and on Non-Revenue Water: Case of Arusha Municipality
Journal of Water Resources and Ocean Science
Utilities can no longer tolerate inefficiencies in water distribution systems and the resulting loss of revenue associated with underground water system leakage. Increases in pumping, treatment and operational costs make these losses prohibitive. Chronic water losses have been the hallmark of Tanzania especially AUWSA water management over the decades. The aim of this research was to assess effects of water pipe leaks on water quality and on non revenue water. Out of 140 respondents it was
... ondents it was found out that unauthorized connections (illegal and by pass) account to 24%, while 30% of respondents identified leakages from water system (transmission mains, distribution mains, utility's reservoirs, service connections); 16% due to stopped/malfunctions water meters (Bulk and customer water meters), whilst 14% respondents enumerated that is caused by other reasons like corruption and bribery among meter readers. The combination of both leakage and low pressure is a source of contamination of pipe water because it allows contaminants to siphon into the water system hence bacterial contamination (TC averaged to 67.5 CFU/100ml and FC averaged to 4.0 CFU/100ml while pH range from 6.5 -7.7 ). Community awareness programmes about NRW to all consumers must be conducted to ensure that customer confidence in the utility's services is maintained. A key element in this is open communication like public should be able to easily contact the utility to report burst pipes, leakages, or other concerns.