_id SlNo Station Agency State LGD Code State District LGD Code District Tehsil Block Village River Basin Tributary Subtributary SubSubtributary Local River Latitude Longitude Data Acquisition Time Electric Conductivity (mS/cm) Colour Odour Turbidity (NTU) Temperature (oC) Total Solids (mg/L) 1 1 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 12-01-2021 08:05 581.6 Clear Odour free 45.5 18 2 2 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 12-07-2021 08:00 433 Light Green Odour free 37 25.5 3 3 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 16-08-2021 08:00 331 Clear Green Odour free 42 29 4 4 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 06-09-2021 08:00 340 Light Green Odour free 51 30 5 5 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 18-10-2021 08:00 549 Clear Odour free 75 30 6 6 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-11-2021 08:00 556 Light Brown Odour free 50 28.5 7 7 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 12-11-2021 08:00 455 Clear Odour free 25 26 8 8 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 22-11-2021 08:00 606 Light Brown Odour free 85 29 9 9 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-12-2021 08:00 479 Light Brown odour free 100 29 10 10 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 14-12-2021 08:00 591 Light Brown odour free 55 29 11 11 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 03-01-2022 08:00 461 Light Brown odour free 100 29.5 12 12 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 28-01-2022 08:00 576 Light Brown odour free 130 29 13 13 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 25-06-2022 08:00 531 Green odour free 2 27.3 14 14 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 22-07-2022 08:00 428 Green odour free 24 26.5 15 15 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-08-2022 08:00 396 Green Odour free 18 26 16 16 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 11-08-2022 08:00 343 Green odour free 36 26.5 17 17 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 22-08-2022 08:00 334 Green Odour free 65 26.5 18 18 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 05-09-2022 08:00 394 Brown odour free 24 26 19 19 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 12-09-2022 08:00 405 145 20 20 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 21-09-2022 08:00 368 Light Brown odour free 180 28.5 21 21 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 11-10-2022 08:00 430 Light Brown odour free 170 26 22 22 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 21-10-2022 08:00 504 Light Brown odour free 18 25 23 23 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-11-2022 08:00 509 Brown odour free 21 23 24 24 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 11-11-2022 08:00 487 Light Brown Odour free 120 24 25 25 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 23-11-2022 08:00 653 Light Brown Odour free 392 23 26 26 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-12-2022 08:00 613 Light Brown odour free 75 24 27 27 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 21-12-2022 08:00 658 Light Brown odour free 38 23.5 28 28 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 16-08-2024 08:00 275 2 29 29 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 08-10-2024 08:00 330 Light Green 1 27 30 30 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 10-10-2024 08:00 342 Light Brown Odour free 4 27.5 31 31 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 09-11-2024 08:00 484 130 32 32 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 11-11-2024 08:00 520 85 33 33 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 13-12-2024 08:00 302 Brown odour free 328 23 34 34 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 02-01-2021 08:00 394.6 Clear Odour free 18.4 27 35 35 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 03-11-2021 08:00 455 Clear Odour free 8.7 26 36 36 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 12-11-2021 08:00 457 Clear Odour free 40 27 37 37 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 22-11-2021 08:00 342 Clear Odour free 65 25 38 38 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 01-12-2021 08:00 335 Brown Odour free 90 24 39 39 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 11-12-2021 08:00 491 Clear odour free 21 24 40 40 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 21-12-2021 08:00 610 Clear Odour free 4.9 25 41 41 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 01-01-2022 08:00 611 Clear odour free 12 27 42 42 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 11-01-2022 08:00 700 Clear odour free 26 25 43 43 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 21-01-2022 08:00 690 Clear odour free 14 26 44 44 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 01-02-2022 08:00 701 Clear odour free 60 25 45 45 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 11-02-2022 08:00 670 Clear odour free 5 24 46 46 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 14-11-2022 08:00 478 Light Brown Odour free 38 24 47 47 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 21-11-2022 08:00 637 Clear odour free 5 24 48 48 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 13-12-2022 08:00 633 Clear odour free 8 24 49 49 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 21-12-2022 08:00 658 Clear Odour free 6 24 50 50 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 06-12-2023 08:00 523 Clear Oder Free 19 26 51 51 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 11-12-2023 08:00 550 Clear Oder Free 9 27 52 52 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 08-01-2024 08:00 586 Clear Oder Free 42 22 53 53 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 11-01-2024 08:00 437 Clear Oder Free 17 26 54 54 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 03-12-2024 08:00 221 Light Brown odour free 287 24 55 55 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 11-12-2024 08:00 388 Clear odour free 4 24 56 56 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 20-12-2024 08:00 388 Clear odour free 12 25 57 57 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 01-01-2025 08:00 582 Clear odour free 3 24 58 58 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 10-01-2025 08:00 576 Clear odour free 11 24 59 59 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 21-01-2025 08:00 631 Clear odour free 10 26 60 60 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 06-01-2021 08:02 532.4 Clear Odour free 49.6 21.5 61 61 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 21-08-2021 08:00 685 Clear Odour free 7.6 30 62 62 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 08-10-2021 08:00 951 Clear Odour free 27 27 63 63 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 12-10-2021 08:00 615 Clear Odour free 60 27 64 64 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 26-10-2021 08:00 743 Clear Odour free 70 26.5 65 65 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-12-2021 08:00 275 Light Brown odour free 90 29 66 66 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 11-12-2021 08:00 731 Clear odour free 55 28 67 67 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-01-2022 08:00 536 Light Brown Odour free 160 26.5 68 68 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 21-01-2022 08:00 901 Light Brown odour free 60 25.5 69 69 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 17-06-2022 08:00 750 Brown odour free 450 28 70 70 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 21-06-2022 08:00 635 Brown odour free 200 28 71 71 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 25-07-2022 08:00 683 Green Odour free 2 27.5 72 72 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-08-2022 08:00 483 Brown Odour free 45 27.5 73 73 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 16-08-2022 08:00 378 Green Odour free 18 27 74 74 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 23-08-2022 08:00 429 Brown Odour free 120 26.5 75 75 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-09-2022 08:00 452 Green Odour free 85 25 76 76 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 23-09-2022 08:00 563 Green Odour free 80 27 77 77 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-10-2022 08:00 597 Brown odour free 110 26 78 78 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 11-10-2022 08:00 601 Brown odour free 250 26 79 79 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 21-10-2022 08:00 666 Brown odour free 14 25 80 80 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-11-2022 08:00 701 Brown odour free 70 25 81 81 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 11-11-2022 08:00 442 Brown odour free 200 25 82 82 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 21-11-2022 08:00 695 Brown odour free 65 25 83 83 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 05-12-2022 08:00 453 Brown odour free 200 25 84 84 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 12-12-2022 08:00 547 Brown Odour free 200 26 85 85 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 21-12-2022 08:00 806 Green odour free 60 25 86 86 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 23-01-2023 08:00 733 Green odour free 80 25 87 87 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 03-02-2023 08:00 703 Brown odour free 90 24 88 88 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 09-11-2023 08:00 864 Brown Oder Free 60 89 89 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 14-11-2023 08:00 508 Brown Oder Free 110 24.5 90 90 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 21-11-2023 08:00 490 Brown Oder Free 130 24.5 91 91 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-12-2023 08:00 407 Brown Oder Free 55 24 92 92 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 18-12-2023 08:00 714 Brown Oder Free 140 24 93 93 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 08-01-2024 08:00 391 Brown Oder Free 100 24 94 94 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 11-01-2024 08:00 396 Brown Oder Free 90 24 95 95 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 19-08-2024 08:00 320 7 96 96 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 10-10-2024 08:00 316 Brown Odour free 3 27 97 97 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 09-11-2024 08:03 454 Light Brown odour free 100 98 98 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 13-11-2024 08:00 717 Green Odour free 85 99 99 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 21-11-2024 08:00 436 Brown odour free 190 100 100 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 02-12-2024 08:00 541 Brown odour free 162 24 101 101 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 13-12-2024 08:00 236 Brown odour free 316