/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2026-05-11 00:00:00 to 2026-06-11 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 85 334 334 127 127 127 0 334 32 334 9 0 0 0 0 331 1
2 BANKURA 1092 113 2126 2126 6 6 6 0 2126 1 2126 1 0 0 1008 0 1279 3
3 BIRBHUM 523 98 708 708 49 49 49 0 708 0 708 0 0 0 460 0 707 19
4 COOCH BEHAR 550 128 437 437 9 9 9 0 437 0 437 0 0 0 0 0 402 3
5 DAKSHIN DINAJPUR 433 43 234 234 0 0 0 0 234 0 234 0 0 0 234 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 27 204 204 9 9 9 0 204 1 204 0 60 0 0 0 183 1
8 HOWRAH 295 25 164 164 8 8 8 0 164 0 164 0 29 0 0 0 100 0
9 JALPAIGURI 425 38 257 257 10 10 10 0 257 0 257 0 0 0 0 0 257 3
10 JHARGRAM 507 47 241 228 24 24 24 0 241 0 241 0 0 0 0 0 241 7
11 KALIMPONG 233 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
12 MALDAH 455 126 1366 1366 64 64 64 0 1366 2 1366 0 1009 1 180 0 1009 3
13 MURSHIDABAD 1256 15 116 116 3 3 3 0 116 0 116 0 53 6 0 0 29 1
14 NADIA 1070 60 857 857 0 0 0 0 857 0 857 0 480 12 0 0 480 0
15 NORTH 24 PARGANAS 1101 75 582 582 0 0 0 0 582 0 582 0 536 4 0 0 536 10
16 PASCHIM BARDDHAMAN 182 18 179 179 15 15 15 0 179 4 179 3 0 0 0 0 145 19
17 PASCHIM MEDINIPUR 954 92 612 612 166 166 166 0 612 29 612 5 0 0 0 0 582 51
18 PURBA BARDDHAMAN 773 185 731 731 59 59 59 0 731 12 731 7 66 0 0 0 528 2
19 PURBA MEDINIPUR 1008 167 1557 1557 127 127 127 0 1557 1 1557 0 0 0 0 0 1449 7
20 PURULIA 187 43 368 368 14 15 15 0 368 1 368 0 0 0 265 0 335 4
21 SOUTH 24 PARGANAS 1279 48 417 417 0 0 0 0 417 0 417 0 76 0 0 0 336 0
22 UTTAR DINAJPUR 552 43 175 175 2 2 2 0 175 13 175 2 5 0 137 0 134 16