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MAINTENANCE SCHEMES

 Operation and Maintenance of CWSS:

As per GO MS No 84 / MA &WS dt.10.03.94 the Combined Water Supply Schemes (CWSS) implemented in Tamil Nadu covering more than one Local Body are being maintained by TWAD Board. At present 507 CWSS covering 5 Municipal Corporations (Part), 56 Municipalities, 270 Town Panchayats, 25,741 Rural habitations and 422 Industries/Institutions benefiting a population of 2.53 crore are under TWAD Board maintenance.

 Maintenance pattern:

The schemes are maintained by 30 Divisions of TWAD Board spread over all districts of Tamil Nadu. TWAD Board maintains the infrastructure of Head Works ,Pumping Stations and Pumping Mains upto delivery of water to the Over Head Tanks of the Beneficiaries. Maintenance of Over Head Tanks and the local distribution system is taken care by the Local Body. The operating staff are engaged as per the norms fixed by the Board vide BP no 45 dt 29.05.2007. As ordered in the GO (D) NO:455 MA&WS (WS1) Department dt 05.11.2006 , TWAD Board has placed all the Maintenance Divisions and Sub-Divisions incharge of maintaining the CWSS under the Direct Administrative control of the respective District Collectors, retaining the technical control with TWAD Board.

Annual Maintenance Estimate is prepared and sanctioned every year. The major heads of these estimates are Salary of Operating & Supervisory staff, Electrical Energy cost and Royalty charges to other Departments, if applicable. Other minor heads are repairs & renewals, vehicle propulsion charges, cost of chemicals and Telephone charges.

The maintenance expenditure for these CWSS is met out from the water charges collected at a rate of Rs. 4.50 per kilo litre for Municipalities and erstwhile Urban Town Panchayats (now Town Panchayats) and at Rs. 3.00 per kilo litre for Village Panchayats and erstwhile Rural Town Panchayats (now Town Panchayats) fixed by the Government vide GO MS no 136 / MA & WS (WS4) Dept dt 03.10.2002. The tariff for Industries/Commercial Institutions vary from Rs10/KL to Rs.60/KL depending on the category of the beneficiary unit as per BP MsNo.115 dt 20.12.2006. These are subject to revision time to time.

 TARIFF STRUCTURE:

(As per GO (MS) No. 338 MA&WS (WS4)Department dt 18.10.2004.)

 For Rural Local Bodies : Rs. 3.00 / KL
 For Urban Local Bodies : Rs. 4.50 / KL
 For Industries / Commercial Organisations who have paid proportionate cost of CWSS : Rs. 15.00 / KL

(As per BP 115 dt 20.12.2006)

For Industries /Commercial Organisations who have NOT paid proportionate cost of CWSS

 Industries / Commercial Organisations : Rs. 60.00 /KL
 Hospitals : Rs. 50.00 / KL
 Educational Institutions : Rs. 30.00 / KL
 Orphanage & Homes : Rs 10.00 KL
DISTRICT WISE DETAILS OF CWSS MAINTAINED BY TWAD BOARD 
Sl. No. Name of District  No. of CWSS Corporation Municipalities UTP  RTP Rural Habns Private Beneficiaries Total No. of beneficiaries Population benefited
Govt. Non-Govt. Total
1 Kancheepuram
19
- 4 4 1 188 12 2 14 211 793303
2 Tiruvallur
9
- - - - 182 1 - 1 183 106722
3 Vellore 23 - 3 1 2 193 2 - 2 201 409078
4 Tiruvannamalai 21 - - - 3 485 1 - 1 489 393285
5 Cuddalore 11 - 1 1 - 127 - - - 129 122050
6 Villupuram 7 - 1 1 3 148 - - - 153 400301
7 Dharmapuri 9 - - 1 2 251 1 - 1 255 180957
8 Krishnagiri 17 - 1 1 - 649 2 - 2 653 300026
9 Trichy 22 1 3 4 7 1543 20 7 27 1585 1245022
10 Perambalur 4 - 1 - 1 350 1 1 2 354 374764
11 Ariyalur 10 - 1 - 2 962 - - - 965 634196
12 Pudukkottai 44 - 1 2 1 584 3 1 4 592 382263
13 Thanjavur 5 - - 3 2 132 - - - 137 189401
14 Tiruvarur 4 - 2 1 - 402 - - - 405 360090
15 Nagapattinam 11 - 2 2 2 1506 5 2 7 1519 1074559
16 Coimbatore 9 1 7 16 28 970 25 190 215 1237 3757718
17 Tiruppur 16 1 5 2 11 2216 - 5 5 2240 2380666
18 Salem 9 1 3 16 3 3328 7 10 17 3368 2904683
19 Erode 42 - 3 5 34 2557 3 32 35 2634 1754245
20 Karur 10 - - 1 1 956 1 1 2 960 351807
21 Namakkal 12 - 2 7 6 2322 3 9 12 2349 1299083
22 Madurai 7 - 1 2 5 720 2 4 6 734 622401
23 Theni 25 - 2 2 10 372 3 1 4 390 778637
24 Dindigul 25 - 1 3 6 799 1 1 2 811 716867
25 Sivagangai 35 - - - - 497 - - - 497 171168
26 Ramnad 51 - 0 2 3 1087 8 1 9 1101 603542
27 Virudunagar 12 - 5 0 2 226 - - - 233 737756
28 Thoothukudi 20 - 2 10 3 1468 29 108 137 1620 1531952
29 Tirunelveli 23 1 6 11 17 1747 6 2 8 1790 2097426
30 Kanyakumari 13 - 1 5 34 377 - - - 417 455928
  TOTAL 525 5 58 103 189 27344 136 377 513 28212 27132596

DETAILS OF CWSS MAINTAINED BY TWAD BOARD

 POPULATIONWISE:

CWSS with Population less than 10000:227 Nos. Open
CWSS with Population 10000 - 25000:109 Nos. Open
CWSS with Population 25000 - 50000:67 Nos. Open
CWSS with Population more than 50000:104 Nos. Open

DETAILS OF CWSS MAINTAINED BY TWAD BOARD

 HABITATIONWISE:

CWSS with Habitations less than 100:455 Nos. Open
CWSS with Habitations 100 - 250:31 Nos. Open
CWSS with Habitations 250 - 750:16 Nos. Open
CWSS with Habitations more than 750:5 Nos. Open