| Location-wise Water Quality Status of Medium and Minor Rivers in Kerala - Part II (2012) | ||||||
| Locations | B.O.D. (mg/l) | Nitrate- N+ Nitrite-N (mg/l) | ||||
| Min | Max | Mean | Min | Max | Mean | |
| < 3 mg/l | ||||||
| Achenkoil at Thumpamon | ||||||
| Achenkoil at Chennithula | ||||||
| Achenkoil at Kallarakadavu, Pathanamthitta | ||||||
| Achenkoil at Pandalam (Near Ayyappa Temple),Pathanamthitta | ||||||
| Ancharakandy at Meruvamba | ||||||
| Ancharakandy at Meruvamba | ||||||
| R Ayroor at Ayroor Bridge | ||||||
| Bharathapuzha at Kuttippuram | ||||||
| R Bharathapuzha at Pattambi | ||||||
| Chalakudy at Pulickalka-Davu | ||||||
| Chaliyar at Koolimadu | ||||||
| Chaliyar at Chungapally | ||||||
| Chaliyar at Nilambur, Malappuram | ||||||
| Chandragiri at Padiyathadka | ||||||
| Chitrapuzha at Irumpanam | ||||||
| R Corapuzha at Kanayankode | ||||||
| R Ithikkara at Ayur, Kerala | ||||||
| R Ithikkara at Ithikkara | ||||||
| R Kadalundi at Thirurangady | ||||||
| R Kadalundi at Hajirappally | ||||||
| Kadambayar at Brahmapuram | ||||||
| Kadambayar at Manckakadavu | ||||||
| Kallada at Perumthottam Kadavu, Punaloor | ||||||
| R Kallai at Kallai Bridge | ||||||
| Kalpathi Puzha at Kalpathi, Palakkad | ||||||
| Karapuzha Dam at Wayanad | ||||||
| R Karingode at Kakkadavu | ||||||
| Karamana at Moonnattumukku | ||||||
| River Karamana at Aruvikara, Thiruvananthapuram | ||||||
| R Karuvannurr at Karuvannur Bridge | ||||||
| R Kavvai at Kuttiyol Palam | ||||||
| Keecheri at Vadakkanchery Bdg | ||||||
| R Korayar at Kanjikode | ||||||
| R Kuppam at Thaliparamba | ||||||
| R Kuppam at Rayarom | ||||||
| R Kuttiyade at Kuttiyady Estate | ||||||
| R Mahe at Valayam, Kerala | ||||||
| R Mamom at Mamom Bridge | ||||||
| Manimala at Kalloopara | ||||||
| Manimala at Thondra | ||||||
| Maniyankode Puzha at Maniyankode Bridge, Wayanad | ||||||
| R Manjeswar at Bajrakkara Br. | ||||||
| Meenachil at Kidangoor | ||||||
| R Mogral at Mogral Br. | ||||||
| Muvattapuzha at Vettikkattumukku | ||||||
| Neelaswaram at Nambiarkal | ||||||
| R Neeleswaram at Hosdurg | ||||||
| R Neyyar at Amaravila | ||||||
| R Neyyar at Aruvipuram | ||||||
| R Pallickal at Nellimukal | ||||||
| Pamba at Chengannur | ||||||
| Pamba at Thakazhy | ||||||
| Pamba Down | ||||||
| Periyar Near Alwaye-Eloor | ||||||
| Periyar at Kalady | ||||||
| Periyar at Sewage Discharge Point | ||||||
| Periyar at Muppathadam | ||||||
| River Periyar at Pathalam | ||||||
| R Periyar at Kalamassery | ||||||
| R Periyar at Purappallikavu | ||||||
| Periyar at KWA Intake- Aluva, Ernakulam | ||||||
| Peruvamba at Chandappura | ||||||
| R Pullur at Pullur Br. | ||||||
| R Puzhackal at Puzhackal Bridge | ||||||
| R Ramapuram at Ramapuram Bridge | ||||||
| R Shriya at Angadimogaru | ||||||
| Thallassery at Pathippalam | ||||||
| Thirur at Thalakkadathur Bdg | ||||||
| R Uppala at Uppala Br. | ||||||
| River Valapattanam at Parassinikadavu, Kannur | ||||||
| Vamanapuram | ||||||
