Infiltration / Detention basins | 63 | 76 | 57 | 40 | 58.88 |
Lake restoration | 57 | 81 | 45 | 51 | 58.17 |
Rain gardens | 56 | 80 | 53 | 41 | 57.44 |
Infiltration trenches and Swales | 57 | 73 | 54 | 41 | 56.25 |
Riverbed material restoration and re-naturalization | 50 | 80 | 48 | 43 | 55.16 |
Soakaways | 57 | 71 | 49 | 39 | 53.82 |
Re-meandering | 47 | 64 | 37 | 47 | 48.71 |
Dikes and dams re-enforcing | 46 | 45 | 43 | 43 | 44.45 |
Water saving appliances for buildings | 73 | 83 | 54 | 49 | 64.67 |
Greywater re-use (domestic) | 65 | 73 | 63 | 40 | 60.18 |
Wastewater treatment plants | 69 | 72 | 45 | 54 | 60.07 |
Rainwater harvesting at buildings | 61 | 80 | 59 | 36 | 59.01 |
Water metering systems | 62 | 79 | 54 | 36 | 57.96 |
Rehabilitation of water distribution network | 62 | 69 | 55 | 45 | 57.79 |
Permeable paving | 55 | 73 | 58 | 42 | 56.97 |
Desalination | 70 | 44 | 47 | 54 | 53.50 |
Water restrictions | 54 | 71 | 73 | 14 | 53.19 |
Artificial groundwater recharge through wells | 54 | 64 | 57 | 36 | 52.86 |