| Location-wise Water Quality Status of Medium and Minor Rivers in Kerala - Part II (2010) | |||||||||
| Locations | B.O.D. (mg/l) | Nitrate-N (mg/l) | Nitrite-N (mg/l) | ||||||
| Min | Max | Mean | Min | Max | Mean | Min | Max | Mean | |
| < 3 mg/l | |||||||||
| Water Quality Criteria | |||||||||
| Periyar Near Alwaye-Eloor | |||||||||
| Periyar at Kalady | |||||||||
| Chaliyar at Koolimadu | |||||||||
| Chaliyar at Chungapally | |||||||||
| Kallada at Perumthotta Mkadavu, Punaloor | |||||||||
| Muvattapuzha at Vettikkattumukku | |||||||||
| Chalakudy at Pulickalka-Davu | |||||||||
| Karamana at Moonnattumukku | |||||||||
| Pamba at Chengannur | |||||||||
| Kabbani at Muthankara | |||||||||
| Bhavani at Elachivazhy | |||||||||
| Periyar at Sewage Discharge Point | |||||||||
| Meenachil at Kidangoor | |||||||||
| Manimala at Kalloopara | |||||||||
| Pamba at Thakazhy | |||||||||
| Achenkoil at Thumpamon | |||||||||
| Manimala at Thondra | |||||||||
| Vamanapuram | |||||||||
| Achenkoil at Chennithula | |||||||||
| Amaravila | |||||||||
| Ayur | |||||||||
| Pamba Down | |||||||||
| Thirurangady | |||||||||
| Kuttiyady Estate | |||||||||
| Valayam | |||||||||
| Thaliparamba | |||||||||
| Hosdurg | |||||||||
| Kakkadavu, Kerala | |||||||||
| Padiyathadka | |||||||||
| Irumpanam | |||||||||
| R Neyyar at Aruvipuram | |||||||||
| R Mamom at Mamom Bridge | |||||||||
| R Ayroor at Ayroor Bridge | |||||||||
| R Ithikkara at Ithikkara | |||||||||
| Pallickal at Nellimukal | |||||||||
| R Karuvannurr at Karuvannur Bridge | |||||||||
| Puzhackal at Puzhackal Bridge | |||||||||
| R Keecheri at Vadakkanchery Bridge | |||||||||
| R Thirur at Thalakkadathur Bridge | |||||||||
| R Kadalundi at Hajirappally | |||||||||
| R Kallai at Kallai Bridge | |||||||||
| Corapuzha at Kanayankode | |||||||||
| R Thallassery at Pathippalam | |||||||||
| Ancharakandy at Meruvamba | |||||||||
| R Kuppam at Rayarom | |||||||||
| Ramapuram at Ramapuram Bridge | |||||||||
| Peruvamba at Chandappura | |||||||||
| R Kavvai at Kuttiyol Palam | |||||||||
| Neelaswaram at Nambiarkal Dam | |||||||||
| R Pullur at Pullur Br. | |||||||||
| R Mogral at Mogral Br. | |||||||||
| R Shriya at Angadimogaru | |||||||||
| R Uppala at Uppala Br. | |||||||||
| Manjeswar at Bajrakkara Br. | |||||||||
| R Ancharakandy at Meruvamba | |||||||||
| R Korayar at Kanjikode | |||||||||
| R Bharathapuzha at Kuttippuram | |||||||||
| R Bharathapuzha at Pattambi | |||||||||
| Periyar at Muppathadam | |||||||||
| River Periyar at Pathalam | |||||||||
| R Periyar at Kalamassery | |||||||||
| Periyar at Purappallikavu | |||||||||
| R Kadambayar at Brahmapuram | |||||||||
| Kadambayar at Manckakadavu | |||||||||
