/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2026-05-20 00:00:00 to 2026-06-20 23:59:59
Sl. No. District PWSS Schemes PWSS
Samples
Tested		 Contamination Status
Free Residual Chlorine Bacteriological Chemical
Total Tested RC
Tested		 RC
not
found		 RC
<0.2 >1		 RC
<0.2		 RC >1 TC Tested E. coli Tested Arsenic tested Fluoride tested Iron tested
Total Present Total Present Total >0.01
mg/l		 Total >1.5
mg/l		 Total >1.0
mg/l
1 ALIPURDUAR 327 97 311 311 81 81 81 0 311 17 311 8 0 0 0 0 308 0
2 BANKURA 1092 118 2027 2027 13 13 13 0 2027 1 2027 1 0 0 1007 0 1051 4
3 BIRBHUM 523 82 589 589 34 34 34 0 589 0 589 0 0 0 344 0 535 15
4 COOCH BEHAR 550 109 414 414 15 15 15 0 414 0 414 0 0 0 0 0 386 4
5 DAKSHIN DINAJPUR 433 40 273 273 0 0 0 0 273 0 273 0 0 0 224 18 146 0
6 DARJEELING 576 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
7 HOOGHLY 724 35 254 254 13 13 13 0 254 1 254 0 38 0 0 0 217 1
8 HOWRAH 295 24 184 184 11 12 12 0 184 0 184 0 48 0 0 0 129 0
9 JALPAIGURI 425 54 368 368 5 5 5 0 368 0 368 0 0 0 0 0 358 11
10 JHARGRAM 507 44 178 158 1 1 1 0 178 1 178 1 0 0 0 0 178 7
11 KALIMPONG 233 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
12 MALDAH 455 115 1165 1165 38 38 38 0 1165 1 1165 0 897 1 152 0 897 1
13 MURSHIDABAD 1256 15 74 74 7 7 7 0 74 0 74 0 57 6 0 0 29 1
14 NADIA 1070 35 455 455 0 0 0 0 455 0 455 0 265 4 0 0 265 0
15 NORTH 24 PARGANAS 1101 77 578 575 0 0 0 0 578 0 578 0 518 2 0 0 518 11
16 PASCHIM BARDDHAMAN 182 13 128 128 8 8 8 0 128 3 128 2 0 0 0 0 94 0
17 PASCHIM MEDINIPUR 954 88 500 500 130 130 130 0 500 19 500 2 0 0 0 0 464 47
18 PURBA BARDDHAMAN 773 260 1421 1421 204 204 204 0 1421 52 1421 24 110 0 0 0 1242 8
19 PURBA MEDINIPUR 1008 154 1491 1491 91 91 91 0 1491 1 1491 0 0 0 0 0 1400 3
20 PURULIA 187 33 388 388 13 14 14 0 388 1 388 0 0 0 249 0 358 3
21 SOUTH 24 PARGANAS 1279 58 495 495 1 1 1 0 495 1 495 0 67 0 0 0 462 0
22 UTTAR DINAJPUR 552 37 155 155 5 5 5 0 155 10 155 3 3 0 100 0 114 10