_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 Biochemical Oxygen Demand (mg/L) Chemical Oxygen Demand (mg/L) Fecal Coliform (MPN/100mL) Total Coliform (MPN/100mL) 1 1 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 12-01-2021 08:05 1.57 2 2 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 12-07-2021 08:00 1.39 3 3 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 16-08-2021 08:00 0.2 4 4 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 06-09-2021 08:00 1.4 5 5 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 18-10-2021 08:00 2.81 6 6 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-11-2021 08:00 1.99 7 7 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 12-11-2021 08:00 1.19 8 8 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 22-11-2021 08:00 1.39 9 9 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-12-2021 08:00 1.18 10 10 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 14-12-2021 08:00 1.18 11 11 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 03-01-2022 08:00 1.59 12 12 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 28-01-2022 08:00 1.99 13 13 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 25-06-2022 08:00 3.6 14 14 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 22-07-2022 08:00 2.4 15 15 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-08-2022 08:00 2.6 16 16 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 11-08-2022 08:00 1.6 17 17 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 22-08-2022 08:00 1.8 18 18 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 05-09-2022 08:00 3 19 19 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 21-09-2022 08:00 2.6 20 20 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 11-10-2022 08:00 1.6 21 21 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 21-10-2022 08:00 1.2 22 22 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-11-2022 08:00 2.6 23 23 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 11-11-2022 08:00 1.4 24 24 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 23-11-2022 08:00 3 25 25 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-12-2022 08:00 3.6 26 26 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 16-08-2024 08:00 2.1 170 390 27 27 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 08-10-2024 08:00 2.3 170 330 28 28 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 10-10-2024 08:00 2.9 170 390 29 29 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 09-11-2024 08:00 1.6 170 330 30 30 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 11-11-2024 08:00 1 140 270 31 31 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 13-12-2024 08:00 1.4 170 390 32 32 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 2.36 33 33 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 1.39 34 34 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 1.19 35 35 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 2.38 36 36 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 1.38 37 37 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 1.18 38 38 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 1.18 39 39 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 3.78 40 40 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 1.79 41 41 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 1.59 42 42 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 2 43 43 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 1.4 44 44 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 1.4 45 45 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 1.2 46 46 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 1 210 1400 47 47 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 0.8 110 210 48 48 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 1.6 320 470 49 49 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 2 170 1100 50 50 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 1.8 170 1100 51 51 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 2 110 470 52 52 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 2 110 1100 53 53 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 1.4 260 2800 54 54 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 0.8 170 1100 55 55 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 1 140 1700 56 56 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 06-01-2021 08:02 2.95 57 57 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 21-08-2021 08:00 3.04 58 58 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 08-10-2021 08:00 5.02 59 59 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 12-10-2021 08:00 2.01 60 60 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 26-10-2021 08:00 2.01 61 61 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-12-2021 08:00 1.97 62 62 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 11-12-2021 08:00 1.18 63 63 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-01-2022 08:00 2.98 64 64 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 21-01-2022 08:00 1.99 65 65 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 17-06-2022 08:00 4.1 66 66 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 21-06-2022 08:00 4.1 67 67 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 25-07-2022 08:00 3.4 68 68 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-08-2022 08:00 3 69 69 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 16-08-2022 08:00 2.8 70 70 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 23-08-2022 08:00 2.6 71 71 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-09-2022 08:00 2.8 72 72 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 23-09-2022 08:00 2.8 73 73 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-10-2022 08:00 1.8 74 74 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 11-10-2022 08:00 1.8 75 75 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 21-10-2022 08:00 1.8 76 76 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-11-2022 08:00 2.2 77 77 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 11-11-2022 08:00 2.8 78 78 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 21-11-2022 08:00 3 79 79 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 05-12-2022 08:00 3 80 80 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 23-01-2023 08:00 2.4 81 81 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 03-02-2023 08:00 3 82 82 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 09-11-2023 08:00 1.6 140 330 83 83 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 14-11-2023 08:00 1.2 170 2800 84 84 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 21-11-2023 08:00 1.8 170 470 85 85 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-12-2023 08:00 2.4 110 1700 86 86 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 18-12-2023 08:00 2.8 140 400 87 87 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 08-01-2024 08:00 2.4 200 320 88 88 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 11-01-2024 08:00 2.6 170 1700 89 89 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 19-08-2024 08:00 0.8 140 330 90 90 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 10-10-2024 08:00 1.1 140 330 91 91 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 09-11-2024 08:03 2 170 330 92 92 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 13-11-2024 08:00 1.2 140 330 93 93 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 21-11-2024 08:00 1.2 170 390 94 94 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 02-12-2024 08:00 2.4 140 1100 95 95 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 13-12-2024 08:00 2 170 1700