94% of the total area of Nagaland is hilly terrain with heavy annual rainfall ranging from 120cm to 240cm As proposed in the 4th Plan, 3 (three) Watershed Pilot Projects have been demarcated i. e. , at Zubza in Kohima District, at Tuli in Mokokchung District and at Chare in Tuensang District by the end of 1972-73, where field works on various aspects of Soil Conservation viz. , terracing, Contour bunding, Afforestation, Orchard Plantation and construction of irrigation channels are in full swing in all the above Projects.
The Department has 14 (fourteen) meteorological observatories spread all over the state, which has been supplying and catering the met. data to various land users departments as well as providing the daily weather bulletin in media viz. , Radio, T. V. , and News papers. Augmentation of Water Supply to Kohima Town by Gravity flow from Dzukou and Dzuna river. A Survey has been conducted to find out the possibility of tapping water from Dzuna Rivers and has been found to be feasible. This Project envisages for a 975 million litre capacity Balancing Reservoir to store the surplus monsoon run-off water from Dzuna river.
This will, to a large extent supplement the deficiency during lean season. The estimated project cost is Rs. 33. 97 crore at 2003 price levels. The project has been approved and sanctioned recently by the Urban Development Ministry. ) Augmentation of Water Supply to Mokokchung Town : Due to problems faced by the present water supply system by pumping from Dikhu River to Mokokchung Town, a project to augment water supply to Mokokchung town by Gravity from Tichipami source with an estimated cost of Rs. 1000. 3 lakhs has been taken up. A budget provision of Rs. 192. 00 lakhs under Negotiated Loan (HUDCO) is ear marked during 2002 –03. Anticipated expenditure up to 31/3/2003 is Rs. 800. 00 lakhs and is anticipated to be completed and commissioned by June/2004. i) Augmentation of Water Supply to Mon Town :- The project has been sanctioned at an estimated cost of Rs. 653. 00 lakhs. The expenditure up to March 2003 is Rs. 569. 901 lakhs. The project has been completed and is expected to be inaugurated shortly.
The scheme will deliver purified water at the rate of 60 litres per capita per day (lpcd) for a design population of 13000. ii) Augmentation of Water Supply to Zunheboto Town : The project has been sanctioned at an estimated cost of Rs. 959. 00 lakhs. Budget provision kept for the year 2002 –03 is Rs. 30. 00 lakhs under AUWSP. The anticipated expenditure up to March 2003 is Rs. 904. 00 lakhs The project was commissioned on 18th May/2001. The Scheme is designed to deliver purified water at the rate of 70 litres per capita per day to a population of 17,800.
Extension of distribution lines and introduction of metering system is in progress. (iii) Augmentation of Water Supply to Wokha Town : This project has been sanctioned at an estimated cost of Rs. 351. 30 lakhs. Budget provision during 2002 –03 is Rs. 0. 22 lakhs. The anticipated expenditure up to March 2003 is Rs. 189. 47 lakhs The project is expected to be completed by March/2005. Once completed, the Scheme can deliver purified water at the rate of 50 litres per capita per day (lpcd) to a total design population of 20,000.