Multan was served by a system of surface drains and outfall sewers leading to Khuni Burj Disposal Station which was built in 1925. Later on, as the population increased, new areas were served with open surface drains and pumping stations were installed to discharge sewage in open fields. With the growth of population, the area under the disposal fields was exhausted serious problems of sewage disposal was faced by the inhabitants. The General Advisory Services of public health Engineering Department prepared a Master Plan Report for implementing Comprehensive Sewerage Scheme Multan in year 1969. According to the Master Plan Report, it was proposed to construct the scheme in two Phases.
The detail of comprehensive sewerage scheme Phase I & II is as under:
| Cost | 236.50 Million |
| Sewer 12” to 72” | 338 KM |
| Main Disposal Stations | 03 |
| Intermediate Pumping Stations | 02 |
After completion of work on comprehensive scheme Phase I & II work on Phase-III, IV, & V was started in 1987 and completed in 2001. The detail of project cost and scope of work is as under:
| Cost | 201.20 Million |
| Sewer from 9” to 60” | 155 KM |
Sewerage Network (Disposal Stations)
| Locations | Pumping Capacity |
| Suraj Miani | 109 Cusecs |
| Vehari Road | 146 Cusecs |
| Old Shujabad Road | 71 Cusecs |
| New Multan | 20 Cusecs |
| New Multan | 20 Cusecs |
| Total Outfall Capacity | 340 Cusecs |
| Location of IPS | Capacity | Ultimate Disposal Station |
| Chungi No. 9 | 56 Cusecs | Ultimate Disposal Station |
| Kirri Jamandan | 36 Cusecs | Suraj Miani |
| Farooq Pura | 20 Cusecs | Old Shujabad Road |
| Wahida Abad | 06 Cusecs | Old Shujabad Road |
| Low Dischrge Lift Stations (07) | 12 Cusecs | Different Trunk Sewers |
Sewers
| Trunk sewers 18” to 72” dia | 164 Km |
| Lateral sewers 6” to 15" dia | 864 Km |
| Total | 1028 Km |
In view of increasing population it was necessary to update the existing sewerage system but due to lack of resources, the due attention was not paid to prevailing crisis. In no time, Waste Water problems started to surface in covered and uncovered areas.