/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2025-05-24 00:00:00 to 2025-06-24 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 55 181 181 53 53 53 0 181 3 181 1 0 0 0 0 181 0
2 BANKURA 1092 87 1319 1319 1 1 1 0 1319 0 1319 0 0 0 704 0 1003 2
3 BIRBHUM 523 151 1081 1081 7 10 10 0 1081 1 1081 0 0 0 891 0 1079 14
4 COOCH BEHAR 550 123 432 432 5 9 9 0 432 0 432 0 0 0 0 0 428 2
5 DAKSHIN DINAJPUR 433 42 261 261 0 0 0 0 261 0 261 0 0 0 261 35 32 0
6 DARJEELING 576 15 31 31 0 0 0 0 31 0 31 0 0 0 0 0 31 0
7 HOOGHLY 724 122 909 909 61 61 61 0 909 9 909 1 348 0 0 0 908 9
8 HOWRAH 295 49 272 272 4 4 4 0 272 0 272 0 72 0 0 0 95 1
9 JALPAIGURI 425 28 103 103 3 3 3 0 103 0 103 0 0 0 0 0 103 14
10 JHARGRAM 507 54 346 346 28 28 28 0 346 3 346 1 0 0 0 0 346 5
11 KALIMPONG 233 14 110 110 0 0 0 0 110 0 110 0 0 0 0 0 110 0
12 MALDAH 455 93 1253 1253 19 19 19 0 1253 1 1253 0 818 0 378 0 820 4
13 MURSHIDABAD 1256 132 803 802 36 37 37 0 803 6 803 3 788 53 0 0 788 43
14 NADIA 1070 135 819 742 44 57 57 0 819 0 819 0 481 141 0 0 481 125
15 NORTH 24 PARGANAS 1101 103 1157 1157 1 1 1 0 1157 2 1157 0 1137 2 0 0 1137 69
16 PASCHIM BARDDHAMAN 182 34 256 256 15 15 15 0 256 4 256 4 0 0 0 0 220 5
17 PASCHIM MEDINIPUR 954 110 752 752 72 72 72 0 752 24 752 9 0 0 0 0 750 32
18 PURBA BARDDHAMAN 773 146 1144 1144 205 205 205 0 1144 51 1144 20 268 2 0 0 1042 16
19 PURBA MEDINIPUR 1008 154 1402 1402 21 22 22 0 1402 0 1402 0 0 0 0 0 1401 6
20 PURULIA 187 29 225 225 9 9 9 0 225 0 225 0 0 0 164 2 221 0
21 SOUTH 24 PARGANAS 1279 70 997 997 0 0 0 0 997 0 997 0 172 0 0 0 994 0
22 UTTAR DINAJPUR 552 48 157 157 2 2 2 0 157 1 157 1 2 0 147 0 154 2