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From Dam to Tap: Thane Water Supply


Water Supply to Thane 

The present water supply scheme of the Thane Municipal Corporation area is divided into three main distribution zones marked as Central, East and North Zone. It consists of 44 water districts. Each zone is provided with water from a separate source. It is further supplied to the ESR in the respective area. Following are  the three zones of the water supply system and its contributory area.

Central Zone: Naupada, Uthalsar, Kopari, Wagle Estate and Railadevi Ward Committee Area

Eastern Zone: Kalwa & Mumbra-Kausa, Diva-Shill Ward Committee Area

North Zone: Chitalsar-Manpada, and Vartak Nagar Ward Committee Area

(Source: water supply department- Thane Municipal Corporation)

The central zone has 13 water districts. The northern zone has 14 water districts. The Eastern zone has 17 water districts. 

Extent of Water Supply

There are 1,35,000 household water connections and 6,500 business connections across the city. Out of total water connections, 54,000 (38%) are metered connections. Overall, 98% of the city is covered under a water supply network. The length of the water distribution network is 719.22 km. Per day per person the water supply is 194 liters. There are a total 1811 tube wells in the city out of which 974 are hand pumps and 837 are electric pumps. Thane city has 277 public and 268 are private wells. There is one existing water treatment plant at Temghar with 280 MLD capacity.

Water Source

Thane Municipal Corporation has four major sources of water. The first source is TMC's source of water supply i.e., the Independent Water Supply Scheme (IWSS) which is the prime and economical source for TMC. Other sources of water are Brihan Mumbai Municipal Corporation (BMC), Maharashtra Industrial Development Corporation (MIDC) and STEM Water Distribution & Infrastructure Co. Pvt. ltd Thane.

1. TMC's Source

This is the prime source of water supply for TMC and is the most economical and assured source of supply. The potential quota available from this source is about 200 MLD. The source of supply is Pise Weir located downstream of Bhatsa Dam. The water is being lifted at Pise Weir and treated at Temghar WTP owned by TMC.

2. Brihan Mumbai Municipal Corporation (BMC)

The available quota from this source is about 60 MLD (30 MLD treated water + 30 MLD raw water). Both treated and raw water mains of MCGM are passing through the city and water is being tapped at many locations to supply water to the consumers.

3. Maharashtra Industrial Development Corporation (MIDC)

This is the major source of treated water supply to Thane City. The sanctioned quota from MIDC is about 100 MLD and TMC is presently withdrawing about 110 MLD to meet the present supply situation. This source is majorly supplying water to the East Zone of Thane City covering the Mumbra and Kalwa Ward Committee Area.

4. STEM Water Distribution & Infrastructure Co. Pvt. Ltd.

Shahad-Temghar (STEM) Water Authority Thane was the first independent water authority in Maharashtra to supply potable water to a group of cities & villages. Thane Municipal Corporation is one of the beneficiaries of the water authority. The present sanctioned quota from STEM is 127 MLD out of which TMC is presently drawing about 100 MLD which is being delivered to TMC at two locations.

Location-1: MBR at Mankoli 92 MLD

Location-2: Patlipada MBR-8 MLD

Currently, Thane Municipal Corporation is withdrawing a total of 460 MLD of water from these four sources. The per capita consumption recommended in the URDPFI guidelines is 150 lpcd thus, the present quantity of water supply is adequate. The details of these 4 sources are summarized in the following table.

Independent Water Supply Scheme (IWSS) - Bhatsa Dam, 200 MLD (41%)

Brihan Mumbai Municipal Corporation (BMC)-Bhatsa/ Vaitarna Dam, A) Raw water, 30 MLD, B) Pure Water, 30 MLD (13%)

Maharashtra Industrial Development Corporation (MIDC)- Barvi Dam, 100 MLD (24%)

STEM Water Distribution & Infrastructure Co. Pvt. Ltd. Thane- Barvi Dam, 100 MLD (22%)

Total, 460 MLD (100%)

(Source: water supply department- Thane Municipal Corporation)

Filtration and Storage

Water Treatment Plant

Thane Municipal Corporation has an existing water treatment plant with an installed capacity of 280 MLD at Temghar. The water of TMC's water source is lifted at Pise Weir (located downstream of Bhatsa Dam) and treated at Temghar WTP owned by TMC. The water is then pumped to Master Balancing Reservoir (MBR) at Mankoli and from there; it is supplied under gravity to various storage reservoirs in the city through a 2052 mm diameter M.S. pipeline (MBR to Majiwade Junction). For the balance of three sources, TMC receives treated water from MIDC/STEM and MCGM except for 30 MLD (raw water supplied directly in the distribution system with chlorination by TMC).

Water Storage and Distribution




At present, the water supply to the entire city is divided into 44 water districts which are being fed by one or two pumping stations. There are few water districts, especially in the North Zone and East Zone which are being fed by direct distribution due to the non-availability of storage. There are 76 ESR with a total capacity of 99.15 MLD. 

TMC area has a supply of water regularly to all types of units in their respective area. The total length of the water supply system is 125 km., and the length of the distribution network is 719.22 km. The existing feeder mains are led mainly up to earlier developed areas and no feeder main is available to supply water to the newly developed areas like North Zone and East Zone though they are developing at a rapid rate. There is no metering of house service connections, hence, controlled use of water is not practiced in most of the areas.

To cater to the same, new feeder mains are proposed in the developing areas and the remodeling of the water distribution network of the Mumbra committee area has already been carried out by the Water Supply Department. Whereas remodeling of the water distribution network of the North Zone is in progress.

Future requirements

The projected population for year 2046 is 46.5 lakh. Assuming the per capita water supply of 200lpcd, the total requirement for the year 2046 is 930 MLD. The Municipal corporation has started working for augmentation of water supply.

Source: Thane Devevelopment Plan 2025-46, TMC
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