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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 541 CWSS covering 7 Municipal Corporations (Part), 52 Municipalities, 280 Town Panchayats, 32,733 Rural habitations and 508 Industries/Institutions benefiting a population of 3.13 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.The proposal for revision of tariff structure is under consideration in Government.

 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 Designed Qty in MLD Corporation Municipalities TP Rural Habns Private Beneficiaries Total No.of beneficiaries Population benefited
  NORTHERN REGION    
1 Kanchipuram 20 29.70 - 3 5 176 13 197 847499
2 Tiruvallur 9 7.99 - 2 - 168 1 171 198688
3 Vellore 20 17.22 1 1 166 2 170 269813
4 TVMalai 25 27.67 - - 6 762 1 769 638605
5 Cuddalore 12 6.492 - 1 1 180 - 182 135902
6 Villupuram 7 18.09 - 1 4 154 - 159 466554
7 Dharmapuri 8 5.00 - - 2 245 1 248 148522
8 Krishnagiri 17 35.97 - 1 1 708 2 712 278646
  TOTAL (NR) 118 148.13 9 20 2559 20 2608 2984229
  EASTERN REGION    
9 Trichy 25 108.40 1 3 9 1778 25 1816 1628846
10 Perambalur 4 15.68 - 1 1 343 1 346 377382
11 Ariyalur 7 25.38 - 1 1 963 - 965 680510
12 Pudukkottai 46 32.48 - 2 4 1355 6 1367 687843
13 Thanjavur 7 15.34 - - 5 421 1 427 291228
14 Tiruvarur 4 18.89 - 2 1 402 - 405 355900
15 Nagapattinam 12 50.96 - 2 5 1524 7 1538 1092539
  TOTAL (ER) 105 267.13 1 11 26 6786 40 6864 5114248
  WESTERN REGION
16 Coimbatore 9 285.66 1 36 890 218 1145 3968557
17 Tiruppur 14 110.83 1 4 14 2270 5 2294 2270396
18 Salem 9 178.08 0 3 21 3388 14 3426 2599450
19 Erode 40 99.02 1 32 2496 35 2564 1781173
20 Karur 12 28.09 - - 2 1386 2 1390 539180
21 Nilgris 1 1.77 114 114 35855
22 Namakkal 12 71.24 - 3 13 2219 13 2248 1480705
  TOTAL (WR) 97 774.69 3 10 118 12763 287 13181 12675316
  SOUTHERN REGION
23 Madurai 7 29.71 1 1 5 721 7 735 661376
24 Theni 24 43.77 0 2 12 344 4 362 804398
25 Dindigul 32 30.00 1 8 955 2 966 840155
26 Sivagangai 33 19.32 - 1 3 1305 - 1309 543848
27 Ramnad 52 64.34 - 4 7 3182 13 3206 1921110
28 Virudunagar 12 40.43 - 7 2 422 - 431 866181
29 Thoothukudi 22 165.25 1 1 13 1397 128 1540 1370339
30 Tirunelveli 26 113.14 0 5 28 1935 7 1975 2385575
31 Kanyakumari 13 52.71 - 1 38 364 - 403 1173565
  TOTAL (SR) 221 558.67 3 22 116 10625 161 10927 10566547
  GRANDTOTAL 541 1748.62 7 52 280 32733 508 33580 31340340

DETAILS OF CWSS MAINTAINED BY TWAD BOARD

 POPULATIONWISE:

TOTAL CWSS:541
CWSS with Population less than 10000: 236 Nos.  Open
CWSS with Population 10000 - 25000: 107 Nos.  Open
CWSS with Population 25000 - 50000: 74 Nos.  Open
CWSS with Population more than 50000: 124 Nos.  Open

 HABITATIONWISE:

TOTAL CWSS:541
CWSS WITH HABITATIONS BELOW 100:475 Nos.  Open
CWSS WITH HABITATIONS 100-250:39 Nos.  Open
CWSS WITH HABITATIONS 250-750:21 Nos.  Open
CWSS WITH HABITATIONS MORE THAN 750:6 Nos.  Open