/ Contamination status of PWS Schemes
Contamination status of PWS Schemes as on 2026-03-02 00:00:00 to 2026-04-02 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 55 185 185 80 80 80 0 185 17 185 1 0 0 0 0 184 0
2 BANKURA 1092 99 1776 1776 6 6 6 0 1776 0 1776 0 0 0 971 0 1053 5
3 BIRBHUM 523 108 834 834 38 39 39 0 834 0 834 0 0 0 211 0 491 5
4 COOCH BEHAR 550 177 826 826 35 35 35 0 826 0 826 0 0 0 0 0 736 11
5 DAKSHIN DINAJPUR 433 40 362 362 3 3 3 0 362 1 362 0 0 0 362 8 301 0
6 DARJEELING 576 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
7 HOOGHLY 724 78 564 564 33 33 33 0 564 4 564 0 70 1 0 0 259 2
8 HOWRAH 295 10 40 40 11 11 11 0 40 0 40 0 2 0 0 0 38 0
9 JALPAIGURI 425 52 274 274 4 4 4 0 274 0 274 0 0 0 0 0 274 17
10 JHARGRAM 507 66 503 437 0 0 0 0 503 6 503 3 0 0 0 0 289 4
11 KALIMPONG 233 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
12 MALDAH 455 120 1828 1828 21 21 21 0 1828 2 1828 0 1262 1 194 0 1262 2
13 MURSHIDABAD 1256 28 106 106 7 7 7 0 106 0 106 0 93 15 0 0 73 4
14 NADIA 1070 132 1547 1547 0 0 0 0 1547 0 1547 0 977 12 0 0 977 6
15 NORTH 24 PARGANAS 1101 106 902 901 0 0 0 0 902 0 902 0 862 4 0 0 862 13
16 PASCHIM BARDDHAMAN 182 38 378 378 15 15 15 0 378 1 378 1 0 0 0 0 279 6
17 PASCHIM MEDINIPUR 954 118 743 743 166 166 166 0 743 20 743 6 0 0 0 0 681 32
18 PURBA BARDDHAMAN 773 124 673 673 86 86 86 0 673 8 673 7 9 0 0 0 38 0
19 PURBA MEDINIPUR 1008 192 2244 2244 131 132 132 0 2244 0 2244 0 0 0 0 0 2026 20
20 PURULIA 187 37 544 544 18 18 18 0 544 0 544 0 0 0 288 0 483 2
21 SOUTH 24 PARGANAS 1279 127 1849 1849 46 46 46 0 1849 3 1849 0 524 0 379 0 1701 1
22 UTTAR DINAJPUR 552 25 80 80 0 0 0 0 80 0 80 0 1 0 74 0 67 5