The Chief Engineer, O & M is responsible to monitor the Operation and Maintenance activities of all Reservoirs in the state. The Safety & Health Status of the Dams and the follow-up action for ensuring the safety of all the Dams is the key function of the Chief Engineer O&M.  The P. W. Workshop and Stores, which looks after emergency repairs of Dam shutter is also under the control of Chief Engineer O&M.

The Chief Engineer O&M is assisted by one Joint Chief Engineer, with necessary supporting staff.

The following offices are functioning under the control of Chief Engineer, O&M.

  1. Dam Safety Directorate
  2. Workshop and Stores Circle
  3. P.W. Workshop and Stores Division
  4. State Project Management Unit for DRIP

The activities of Chief Engineer O&M is as follows:

I – Monitoring of Reservoir Water level & Storage:-

1. Daily Water Report:-

The daily water level of 20 major reservoirs in the State and four Karnataka Reservoirs in the Cauvery Basin and daily flow data @Billugundulu Gauging and Data Station, CWC are collected, compiled and sent to the Government, Hon'ble Chief Minister, Hon'ble Minister for Public works, Hon'ble Minister for Agriculture and other higher officials of the Government by 9.00 am in the morning.

2. Monitoring of the Reservoirs during North East Monsoon:-

        During the North East Monsoon period (From 1st October to 31st December) round the clock turn duty is organized in the office of the Chief Engineer (O&M) wing to monitor the flood inflows and out flows in the Reservoirs in the State.

3.  All Reservoir water level & Storage:-

The daily water level of all reservoirs in the State are collected and kept recorded.

  1. Framing of rules for water regulation:-

Compendium of rules for water regulation of reservoirs which are to be approved by the Government are being received, scrutinized and submitted to the Government.


II. Participatory Irrigation Management (PIM)

(In Water Resources consolidation project command Area)  Enactment of TNFMIS act and its features         

PIM program was implemented by the Government of Tamil Nadu to encourage the participation of farmers in the operation & maintenance and the management of the irrigation systems under the control of Water Resources Organization of Public Works Department.

In order to provide necessary legal support for the effective participation of the farmers, the Tamil Nadu Farmers' Management of Irrigation Systems Act, 2000 (TN Act 7 of 2001) was enacted, on March 2001, rules and election rules made and notified by the Government for conducting election to implement the Act under the control of Water Resources Department. As a first step, Act was implemented in Water Resources Consolidation Project (WRCP) command areas only.

TNFMIS Act provides for a three tier Farmers Organisation, for the implementation of PIM in Tamil Nadu as Water Users' Association (WUA) at Primary level, Distributory Committee (DC) at Secondary level and Project Committee (PC) at the Project level.


III - Dam Safety Directorate

The Dam Safety Directorate (DSD) was established in the year 1991 in      Tamil Nadu with the object of giving assurance to safety of large dams in Tamil Nadu vide G.O Ms. No: 2771 PWD dt-28 -12-90.  At present, there are 89 nos of WRD dams, (including 3 nos of small dams and 4 nos of drinking water supply reservoirs) and 38 nos of TANGEDCO large dams under the safety monitoring of DSD.  (List of Dams is enclosed vide Annexure -1)

The Dam Safety Directorate is headed by a Director in the rank of a Superintending Engineer with the sanctioned strength of 21 Nos. and now functioning with 8 nos. of Technical staff.

( 1 DSE, 2 AEE & 5 AE).


IV. Dam Rehabilitation and Improvement Project   


        All dams were constructed progressively during the past 120 years in order to increase the irrigated area and to fulfill the water and electricity requirements.  There is a constant need to strengthen, safeguard and maintain the health status of dams due to certain general factors like ageing and possible low compliance with Dam safety standards and practices etc. by carrying out essential maintenance works.

            Keeping in view of this, Dam Rehabilitation and Improvement Project with World Bank assistance through Central water commission is proposed to be taken up over a period of six years for 66 WRD dams and 38 TNEB dams for a cost of Rs.745.49 crores.  Tamil Nadu is one among the four States selected by the World Bank for participation in this project.

V - Workshop and Stores Circle

  1. This P.W. Workshops and Stores is primarily formed during the British Regime and works are undertaken as Deposit Works (Under Workshop Suspense) after collecting the required amount as advance.
  2. Metal Seals, Emblems, Safe lock works to Treasuries, Court Seals, Ballot Boxes are manufactured & supplied. 
  3. Government Vehicles and Machineries are procured and supplied through this wing to various PWD/WRD Divisions.

The Govt. of Tamil Nadu has issued orders on 24.08.2009 to hand over 8.5 acres land of P.W. Workshops and Stores to Health Department for expansion of Stanley Medical College.

As per Government order on 30.08.2010 & 29.11.2010, 137 (85 +52) workers were redeployed to various WRD/PWD Divisions.

Now, due to non availabilities of required land, Mechanical Engineers & other technical staff only the maintenance of Dams and procurement & condemnation of vehicles are being taken up.

VI- Condemnation of Unserviceable Machineries

    The Government as per G.O.(Ms) No.184 dt.13.7.12 has constituted a single technical committee with Chief Engineer, Operation & Maintenance, Chennai as Chairman to value the unserviceable machinery /vehicles/obsolete spares of various machinery available for condemnation in the Water Resources Department.

VII- Water Utilisation Committee

        The Technical Sub Committee is reconstituted vide dt 18.10.96. The Chief Engineer O&M is one of the member in the committee.

  1. The technical sub-committee should scrutinize the schemes to be placed before the water utilization committee before the scheme reports are finalized.
  2. The scheme reports of both water supply and irrigation which have been considered by the sub-committee should contain a specific paragraph about the clearance of the schemes by the technical sub-committee. In cases of difference of opinion in the sub-committee, the views of the members of the sub-committee should be incorporated in the scheme report.

VIII- Condemnation of Vehicles in PWD

  1. Government orders delegated permanent powers for condemnation vide G.O.(D) No. 414, P.W.(R1) Department, dt.30.07.07 and since then 136 were approved for condemnation and 31 vehicles was recommended for premature condemnation out of which G.O. has been obtained for 23 vehicles for premature condemnation. Proposals for condemning another 53 vehicles have been received and these vehicles are to be inspected for condemnation.
  2. In addition to the above, vehicles are procured and supplied through this wing to various W.R.D. Divisions.