Sewerage Services
A well-planned system for sewerage exists in NMMC area. The length of sewer lines laid in 2006-07 is 25.58 Km. Total length of sewers is 258.40 km.. Over 99 % area of developed nodes in NMMC is covered by underground drainage system. There are 8 number of sewage treatment plants in NMMC area at CBD Belapur, Nerul, Sanpada, Vashi, Koparkhairne and Airoli. The raw sewage generated in NMMC area is 197.00 MLD.
NMMC has also provided underground sewerage system in almost all GES areas and gaons. NMMC is in process of identifying gaons area where underground sewerage system can be provided. At present, work of laying sewerage system is under progress at Belapur, Agroli, Darave, Kukshet, Sarsole, Juinagar, Kopri, Bonkod, Pawane, Talwali, Airoli, Sainathwadi and Diva gaon.
Details of Sewer Lines in NMMC Area
| Sr. No. | Zone | Length of Sewers, Km |
| 1. | CBD Belapur | 51.55 |
| 2. | Nerul | 65.08 |
| 3. | Vashi | 44.56 |
| 4. | Turbhe | 29.90 |
| 5. | Koparkhairane | 31.04 |
| 6. | Ghansoli | 8.27 |
| 7. | Airoli | 43.63 |
| 8. | Digha | -- |
| Total | 272.98 |
During the year 2006-2007 an expenditure of Rs. 789.1 lakhs was incurred on sewerage & sanitation Operation & Maintenance.