Tansa Dam in Maharashtra which is part of the Mumbai Water Supply Project undertaken for the Municipal Corporation of Greater Mumbai, needed strengthening. Unity Infraprojects was chosen to execute this vital project that involved strengthening of the dam by providing buttresses, etc.
Tansa dam is located on the Deccan trap basaltic rock comprising compact basalt, amygdaloidal basalt and zeolitic volcanic breccia intruded by number of dykes.
Previous seismic safety evaluations conducted in view of the recent earthquake in 1993 at Killari, near Latur, showed the dam to be unsafe when subjected to the Maximum Credible Earthquake (MCE).

Location info:

District: Thane District
Nearest City: Pune/Mumbai
Best time to visit: Any time.



Built by British Engineer Mr.Tullock of Municipal Corporation of Greater Mumbai in 1925, Tansa Dam is considered as one of the oldest masonry dam. This dam was built with the objective to meet the need of water supply to city of Mumbai. However, in its later years the dam has been supplying water to an extended area. The architecture of the Tansa Dam is worth admiring as compared to the era it was build.

Interesting things to do:

Photographers can take lots of photos of the place in and around .

Interesting things to Visit:

Tansa Wildlife Sanctuary is positioned in the Thane District of Maharashtra. This sanctuary spread on the sprawling land of 320 sq kms attracts a healthy footfall throughout the year.

A picturesque lake, formed across the Tansa river is placed within the Tansa Wildlife Sanctuary, in Thane District of Maharashtra. Tansa lake, one among the largest lakes, with a capacity of 3 million gallons of water is the chief source of drinking water to Mumbai.

Mobile range info:

How to reach?

Nearest Railway Station:
Nearest Airport:
Road Transport:

Nearest Visiting places:

Kashi Mira
Kashi and Mira are two villages in Thane Taluka located close to each other. The surroundings of the two villages abound in natural beauty and scenery. Just after leaving the check-post at Dahisar is an open surface with the backdrop of hills with zigzag paths leading up the hills. And it is this flushy background that has given these two villages the name "Kashimira".

Jawhar Palace
It is called the "Mahabaleshwar of Thane District", when compared in beauty and climate. And places to see are the majestic Dadara Kopra Falls, Jai Vilas, the palace of the tribal kings, the Hanuman and Sunset Points and the enthralling Shirpamal, where Shivaji chose to camp on his way to Surat. Jawhar also offers you the unique opportunity to expose and enlighten yourself with the tribal way of life especially with the Warli paintings

Baassein (Vsai)
Bassein or Vasai was an ancient Portuguese settlement located about 48-km to the north of Mumbai, near the Thane creek. The Bassein Fort was constructed in 1532 by Bahadur Shah, Sultan of Gujarat. You can see ruins of the Fort and the Cathedral of St. Joseph and the Churches of St Antony and St. Paul. The city walls are still intact. There are also decorative gateways inscribed with coats of arms and Portuguese graves dating back to 1558.

Tansa wildlife sanctuary
This sanctuary is located 90km from Mumbai in Thane district. The sanctuary with an area of about 320sq.kms has around 54 species of animals and 200 species of birds in the sanctuary. Major wild animals are Panther, Barking deer, Mouse deer, Hyena, Wild boar etc. Tansa Lake flows through the sanctuary. Best time to visit is November -May.

Nishiland is an amusement park located on the Mumbai - Poona Highway and is an hour and a half's drive from Thane. This is a water park, best during summers when one often needs to chill off. There are water slides, wave pools and splashes with lodging and food facilities.

Essel World
This amusement park is located at Gorai, at a distance from the hub of the city. The main attractions here are the 34 rides that comprise of roller coasters, rainbows, bumping cars. The complex houses many cafeterias and restaurants. Nearest Railway Stations: Malad or Borivali, from where the journey must be made by road and sea (Ferry). Also approachable by road via Bhayandar on Western Express Highway. Open: 1100 to 1900 (off season) 1000 to 2000 (April-June & October-December).

Water Kingdom is just next to Essel World and claims to have the largest wave pool in Asia. It has water slides and swimming pools for kids as well as elders.

Matheran, 70 kms from Thane, is a hill station of natural beauty and pollution free environment. It is situated 750m up in the Sahyadri Ranges of the Western Ghats. Matheran is a 11 km hike by road from Neral and accessible from the foothills by a toy train. There are fine views from the top. Best season is November-February and April-June.

Nearest Petrol Pump:


  • Renaissance Hotel & Convention Centre
  • Ramee Guestline Hotel
  • Best Western The Emerald

Things to carry:

Carrying water is essential.Carry camera too so that u can take photos of beautiful place.

Tips & Suggestions:

Help Line/Phone Number:

Police Station:100
Nearest Hospital:At Thane and Nearest City.
Society/Community Phone Number