/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2026-07-01 00:00:00 to 2026-08-01 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 79 347 347 170 170 170 0 347 62 347 10 0 0 0 0 347 4
2 BANKURA 1092 10 118 118 0 0 0 0 118 0 118 0 0 0 0 0 0 0
3 BIRBHUM 523 29 231 231 15 15 15 0 231 0 231 0 0 0 118 0 140 0
4 COOCH BEHAR 550 201 917 917 69 69 69 0 917 0 917 0 0 0 0 0 801 17
5 DAKSHIN DINAJPUR 433 36 347 347 0 0 0 0 347 0 347 0 0 0 90 8 40 0
6 DARJEELING 576 1 3 3 3 3 3 0 3 1 3 0 0 0 0 0 3 0
7 HOOGHLY 724 3 20 20 0 0 0 0 20 0 20 0 14 0 0 0 20 0
8 HOWRAH 295 20 141 141 16 16 16 0 141 4 141 1 18 0 0 0 141 0
9 JALPAIGURI 425 13 81 81 7 7 7 0 81 0 81 0 0 0 0 0 35 0
10 JHARGRAM 507 26 102 98 1 1 1 0 102 1 102 1 0 0 0 0 92 5
11 KALIMPONG 233 1 1 1 0 0 0 0 1 0 1 0 0 0 0 0 1 0
12 MALDAH 455 122 1300 1300 61 61 61 0 1300 0 1300 0 852 3 219 0 852 2
13 MURSHIDABAD 1256 3 10 10 0 0 0 0 10 0 10 0 10 0 0 0 0 0
14 NADIA 1070 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
15 NORTH 24 PARGANAS 1101 57 508 505 35 35 35 0 508 36 508 16 461 17 0 0 461 12
16 PASCHIM BARDDHAMAN 182 11 71 71 8 8 8 0 71 7 71 6 0 0 0 0 58 2
17 PASCHIM MEDINIPUR 954 70 546 546 190 190 190 0 546 20 546 5 0 0 0 0 519 37
18 PURBA BARDDHAMAN 773 252 1632 1632 536 536 536 0 1632 149 1632 69 84 0 0 0 1347 33
19 PURBA MEDINIPUR 1008 88 1000 1000 59 59 59 0 1000 0 1000 0 0 0 0 0 999 14
20 PURULIA 187 33 222 222 18 18 18 0 222 0 222 0 0 0 178 0 208 0
21 SOUTH 24 PARGANAS 1279 28 314 314 37 37 37 0 314 16 314 0 80 0 0 0 313 1
22 UTTAR DINAJPUR 552 25 115 115 0 0 0 0 115 13 115 6 6 0 8 0 100 9