| Location-wise Water Quality Status of Tributary Streams (Ghaghara, Sone, Gandak, Burhi Gandak, Sikrahna, Harbora, Kamala, Manusmar, Koshi, Daha, Dhous, Farmar, Ramrekha, Sirsiya, Bagmati, Poonpun and Sirsa) in Bihar (2018) | ||||||||||||||||
| Location | Temperature (⁰C) | Dissolved Oxygen (mg/L) | pH | Conductivity (μmhos/cm) | B.O.D. (mg/L) | Nitrate (mg/L) | Faecal Coliform (MPN/100 ML) | Total Coliform (MPN/100 ML) | ||||||||
| > 5.0 mg/L | 6.5 - 8.5 | < 3.0 mg/L | < 2500 MPN/100 mL | |||||||||||||
| Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | |
| Ghaghara Near Chapra, Bihar | ||||||||||||||||
| Sone At Koelwar, Bihar | ||||||||||||||||
| Sone River Near Banzari, Bihar | ||||||||||||||||
| Sone River At Bahiyara, Bihar | ||||||||||||||||
| Sone River At Nasiriganj Dam, Bihar | ||||||||||||||||
| Gandak At Sonepur, Patna (Before Confl.), Bihar | ||||||||||||||||
| Gandak At Rewaghat, Mujaffarpur, Bihar | ||||||||||||||||
| Gandak At Samastipur Road Bridge, Bihar | ||||||||||||||||
| Gandak River U/S Road Bridge Muzaffarpur (Nh), Bihar | ||||||||||||||||
| Gandak River Gopalganj Piprakothi Road Bridge (Dum | ||||||||||||||||
| Sikrana River At Lal Parse, Bittiah, Bihar | ||||||||||||||||
| Sikrana At Chanpatiya, Bihar | ||||||||||||||||
| Sikrahna River At Laurea, Harinagar Road Bridge | ||||||||||||||||
| Burhi Gandak At Akharaghat, Muzaffarpur, Bihar | ||||||||||||||||
| Harbora River At Narkatiaganj, Bihar | ||||||||||||||||
| U/S Harbora River, Bihar | ||||||||||||||||
| Kamala River At Benipatti (Madhubani), Bihar | ||||||||||||||||
| Kamala River At Darbhanga, Bihar | ||||||||||||||||
| Kamala River At Jaynagar, Bihar | ||||||||||||||||
| Manusmar River At Riga, Sitamarhi, Bihar | ||||||||||||||||
| U/S Manusmar River (Riga), Bihar | ||||||||||||||||
| Koshi River At Kurshela At Katihar, Bihar | ||||||||||||||||
| Koshi River At Madhepura, Bihar | ||||||||||||||||
| Koshi River At Beerpur, Bihar | ||||||||||||||||
| Daha At Siwan, Bihar | ||||||||||||||||
| D/S Daha River At Sasamusa, Bihar | ||||||||||||||||
| Daha River At Itwa Bridge, Siwan, Bihar | ||||||||||||||||
| Daha River At Meerganj, Bihar | ||||||||||||||||
| Dhous At Madhubani, Bihar | ||||||||||||||||
| Farmar At Jogbani, Bihar | ||||||||||||||||
| Ram Rekha River At Harinagar, | ||||||||||||||||
| Ramrekha River At U/S Harinagar, Bihar | ||||||||||||||||
| Siriswaa At Ruxol, | ||||||||||||||||
| Siriswa River D/S Raxaul (Koeria Tola), Bihar | ||||||||||||||||
| Bagmati River At Muzaffarpur- Sitamarhi Road Bridg | ||||||||||||||||
| Bagmati River At Darbanga, Samastipur Road Bridge, | ||||||||||||||||
| Mahananda At Thakurganj, Kishanganj Road Bridge | ||||||||||||||||
| Poonpun River Near Poonpun Rail Bridge, Bihar | ||||||||||||||||
| Poonpun River Near Kinzer Road Bridge, Bihar | ||||||||||||||||
| India | ||||||||||||||||
