/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2026-07-15 00:00:00 to 2026-08-15 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 76 319 319 119 119 119 0 319 33 319 7 0 0 0 0 318 3
2 BANKURA 1092 10 316 316 2 2 2 0 316 0 316 0 0 0 28 0 28 0
3 BIRBHUM 523 65 446 446 51 56 56 0 446 2 446 0 0 0 268 0 351 7
4 COOCH BEHAR 550 172 868 868 58 58 58 0 868 1 868 0 0 0 0 0 763 15
5 DAKSHIN DINAJPUR 433 56 439 439 9 9 9 0 439 3 439 2 0 0 206 15 122 0
6 DARJEELING 576 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
7 HOOGHLY 724 2 15 15 1 1 1 0 15 0 15 0 14 0 0 0 15 0
8 HOWRAH 295 21 155 155 18 18 18 0 155 4 155 1 18 0 0 0 155 0
9 JALPAIGURI 425 35 232 232 7 7 7 0 232 0 232 0 0 0 0 0 11 0
10 JHARGRAM 507 22 97 87 0 0 0 0 97 0 97 0 0 0 0 0 72 5
11 KALIMPONG 233 1 1 1 0 0 0 0 1 0 1 0 0 0 0 0 1 0
12 MALDAH 455 98 872 872 58 58 58 0 872 0 872 0 607 0 139 0 607 1
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 32 227 220 5 5 5 0 227 2 227 0 209 3 0 0 209 23
16 PASCHIM BARDDHAMAN 182 9 58 57 13 13 13 0 58 11 58 9 0 0 0 0 51 1
17 PASCHIM MEDINIPUR 954 75 548 548 183 184 184 0 548 20 548 5 0 0 0 0 516 31
18 PURBA BARDDHAMAN 773 121 789 789 252 252 252 0 789 53 789 26 45 0 0 0 646 17
19 PURBA MEDINIPUR 1008 109 1304 1304 150 150 150 0 1304 2 1304 2 0 0 0 0 1205 21
20 PURULIA 187 26 174 174 15 15 15 0 174 0 174 0 0 0 147 0 165 1
21 SOUTH 24 PARGANAS 1279 30 403 403 36 36 36 0 403 16 403 0 66 0 0 0 389 1
22 UTTAR DINAJPUR 552 29 148 148 0 0 0 0 148 19 148 6 5 0 12 0 126 10