Table 3.
Coefficients of variation (CV) for connection, inflow, water consumption and non-revenue water (NRW) in five district metered areas (DMA).
| Data | Parameter | DMA-1 | DMA-2A | DMA-2B | DMA-3 | DMA-4A |
|---|---|---|---|---|---|---|
| Monthly data | Connection | 1.3 % | 1.7 % | 2.8 % | 1.4 % | 27.8 % |
| Inflow | 4.6 % | 4.6 % | 6.6 % | 6.8 % | 10.4 % | |
| Consumption | 11.9 % | 11.7 % | 12.5 % | 41.1 % | 13.6 % | |
| Monthly NRW | NRW (m3) | 65.6 % | 105.8 % | 158.9 % | 95.7 % | 47.4 % |
| NRW (%) | 63.8 % | 106.4 % | 160.0 % | 97.4 % | 43.4 % | |
| NRW (m3/conn.) | 65.9 % | 105.5 % | 161.2 % | 95.5 % | 61.8 % | |
| moving average (MA3) NRW |
NRW (m3) | 38.1 % | 76.9 % | 66.6 % | 58.9 % | 31.0 % |
| NRW (%) | 38.3 % | 77.3 % | 66.4 % | 57.0 % | 28.3 % | |
| NRW (m3/conn.) | 38.6 % | 76.8 % | 67.3 % | 59.3 % | 48.9 % |
Note: Data periods are August 2019–April 2022 for DMA-1 and DMA-2B, November 2019–April 2022 for DMA-2A, and June 2019–April 2022 for DMA-3 and DMA-4A.