Thanjavur District Profile

• Thanjavur district is bounded by Thiruvarur district on the east, by sea (Gulf of Manner) on the southeast, by Pudukkottai district on the south and southwest, by Tiruchirappalli district on the west and northwest and by Ariyalur district on the northeast.
• The District lies between 10º 09'00”N to 11º 14' 00”N Latitude, 78º 50’ 00”E to 79º 33'30”E Longitude and has an aerial extent of 3476 sq.km.

Physiography and Drainage:

• Thanjavur district is part of delta formed by the Cauvery River.
• River Kollidam forms the northern boundary of the district and flows from west to east and northeast and at the western boundary of the district the big regulator Grand Anicut.
• The district area falls under three river basins namely Cauvery sub basin, Vennar sub basin and new delta area. There are major canals branches and few seasonal rivers such as Kattar, Agniar, and Nasuvini Aar flow from the west to east and southeast on the southern part of the district.

Rainfall:

The average annual rainfall and the 5 years rainfall collected from IMD, Chennai is as follows:

Geology:

Ground Water Level:

The Ground Water levels from the 35 number of observation wells of TWAD have been analysed for Post-Monsoon and Pre-Monsoon. 5 years average Ground water level in m Below Ground Level for pre and post monsoon is as follows:

Sustainability:

With a view to enhance the Sustainability of the drinking water sources, recharge structures are being implemented by TWAD Board under various State and Central Government assistances.

The Recharge Structures implemented so far in district is as under.

Categorization of Firkas:

The status of Categorization of firkas as of March 2020 for the District in is shown below.

Rural Habitations

Total No. of Rural Habitations: 4363