_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 03-11-2009 09:00 1.136 2 2 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-12-2009 09:00 0.185 3 3 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-01-2010 08:00 0.1 4 4 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-02-2010 08:00 0.371 5 5 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 30-08-2010 11:00 1.546 6 6 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 04-10-2010 12:00 1.019 7 7 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-11-2010 10:00 1.063 8 8 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-12-2010 11:00 1.329 9 9 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 03-01-2011 11:00 0.575 10 10 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-02-2011 11:00 2.396 11 11 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 25-06-2011 11:00 2.412 12 12 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-10-2011 08:30 2.38 13 13 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-11-2011 11:00 1.47 14 14 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-12-2011 09:00 2.12 15 15 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 02-01-2012 09:00 1.83 16 16 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-02-2012 09:00 2.09 17 17 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 27-09-2012 11:30 0.53 18 18 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-11-2012 08:30 2.07 19 19 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-12-2012 07:00 1.24 20 20 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 11-08-2013 08:45 1.46 21 21 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-09-2014 08:30 2.04 22 22 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-10-2014 08:35 1.34 23 23 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-11-2014 08:30 1.64 24 24 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-12-2014 08:35 1.64 25 25 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-01-2015 08:40 1.46 26 26 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 06-10-2015 08:40 2.01 27 27 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 23-11-2015 08:35 0.73 28 28 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 08-12-2015 08:35 1.28 29 29 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 18-01-2016 08:00 2.01 30 30 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 29-09-2018 08:00 2.1 31 31 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 05-10-2018 08:00 2 32 32 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-11-2018 08:00 3.1 33 33 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 16-09-2019 08:00 1.4 34 34 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-10-2019 08:00 1.4 35 35 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-11-2019 08:00 4.5 36 36 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 02-12-2019 08:00 2.2 37 37 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 21-01-2020 08:00 1.4 38 38 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 04-09-2020 08:00 1 39 39 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 01-10-2020 08:00 1.19 40 40 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 09-11-2020 08:00 1 41 41 Annavasal CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nattar 10.97500000 79.75388889 04-12-2020 08:00 1.81 42 42 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 09-11-2009 16:00 0.284 43 43 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 17-12-2009 08:00 0.633 44 44 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 09-11-2010 16:00 1.845 45 45 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 01-12-2010 09:00 1.86 46 46 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 03-01-2011 08:45 0.671 47 47 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 04-11-2011 08:00 2.12 48 48 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 01-12-2011 09:15 2.24 49 49 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 02-01-2012 08:30 2.22 50 50 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 01-11-2012 09:30 2.53 51 51 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 11-11-2015 08:30 1.46 52 52 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 09-12-2015 08:40 1.46 53 53 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 04-12-2017 08:00 1.2 54 54 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 03-12-2019 08:00 1.8 55 55 Kumarapalayam CWC 34 Puducherry 600 Puducherry Puducherry - - Varahanadhi East flowing rivers between Pennar and Kanyakumari - - - Varahanadhi 11.98305556 79.68055556 06-12-2020 08:00 1 56 56 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 03-11-2009 10:30 1.609 57 57 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-12-2009 09:30 0.556 58 58 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 25-08-2010 12:00 1.063 59 59 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 04-10-2010 09:30 1.019 60 60 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-11-2010 09:00 0.975 61 61 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-12-2010 09:30 0.89 62 62 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 03-01-2011 09:00 0.383 63 63 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 09-07-2011 09:00 1.364 64 64 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-11-2011 07:00 2.17 65 65 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-12-2011 11:00 2.6 66 66 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 02-01-2012 09:00 1.81 67 67 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 20-10-2012 08:00 2.28 68 68 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-11-2012 08:30 2.34 69 69 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-01-2013 08:00 2.82 70 70 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 13-08-2013 08:00 1.46 71 71 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 09-05-2014 08:00 1.64 72 72 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 09-09-2014 08:00 1.47 73 73 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 13-10-2014 08:20 0.99 74 74 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-11-2014 08:40 2.01 75 75 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-12-2014 08:00 2.01 76 76 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 18-05-2015 08:20 1.64 77 77 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-06-2015 08:00 2.55 78 78 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 30-10-2015 07:45 1.09 79 79 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 02-11-2015 07:30 1.82 80 80 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 08-12-2015 07:40 2.01 81 81 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 04-01-2016 07:30 1.09 82 82 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 22-02-2016 07:45 1.46 83 83 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 17-05-2016 09:15 1.09 84 84 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 07-06-2016 08:40 2.01 85 85 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 30-08-2016 08:30 1 86 86 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-09-2016 08:30 2.36 87 87 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-10-2016 08:30 1.81 88 88 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-11-2016 08:30 0.82 89 89 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 31-12-2016 08:30 1.88 90 90 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 02-01-2017 08:00 0.13 91 91 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-02-2017 08:30 1.7 92 92 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 06-03-2017 08:30 2.65 93 93 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 02-11-2017 08:00 2.2 94 94 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-12-2017 08:00 1.5 95 95 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 11-01-2018 08:00 2 96 96 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 27-08-2018 08:00 1.5 97 97 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-10-2018 08:00 2.1 98 98 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 02-11-2018 10:49 3.1 99 99 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-12-2018 08:00 2.5 100 100 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 26-08-2019 08:00 2.6 101 101 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 16-09-2019 08:00 4 102 102 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-10-2019 08:00 3.4 103 103 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-11-2019 08:00 1.2 104 104 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 02-12-2019 08:00 2.2 105 105 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-01-2020 08:00 1.6 106 106 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-10-2020 08:00 2.98 107 107 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 16-11-2020 08:00 3.81 108 108 Nallathur CWC 34 Puducherry 598 Karaikal Karaikal - - Cauvery Cauvery - - - Nandalar 11.00222222 79.75138889 01-12-2020 08:00 3.61