| Percent Violations Over the Desired Level-A,B,C Class of Water in River of Mahanadi and its Tributaries (1998) | ||||
| Location | pH | Dissolved Oxygen | Biochemical Oxygen Demand | Total Coliform |
| River : Mahanadi | ||||
| State : Madhya Pradesh | ||||
| U/s of Rajim | ||||
| Sherinarayan Village | ||||
| Kharad | ||||
| After Confl. With River Mand | ||||
| Interstate Boundry | ||||
| State : Orissa | ||||
| Hirakud Reservoir | ||||
| Sambalpur U/s | ||||
| Sambalpur D/s | ||||
| D/s (after Confl. With R. Ong Sonepur U/s) | ||||
| After Confl. With R. tel (Sonepur D/s) | ||||
| Tikarpada | ||||
| Narsinghpur | ||||
| Cuttack U/s | ||||
| Cuttack D/s | ||||
| River : Hasdeo | ||||
| State : Madhya Pradesh | ||||
| U/s Korba | ||||
| U/s of Champa | ||||
| River : Ib | ||||
| State : Orissa | ||||
| Sundargarh | ||||
| Jharsuguda (intake) | ||||
| Braj Raj Nagar U/s | ||||
| Brajrajnagar (intake) D/s | ||||
| River : Kathajodi | ||||
| State : Orissa | ||||
| Cuttack D/s | ||||
| River : Kharoon | ||||
| State : Madhya Pradesh | ||||
| Raipur U/s | ||||
| River : Kuakhai | ||||
| State : Orissa | ||||
| Bhubaneswar U/s | ||||
| Bhubaneswar D/s | ||||
| River : Seonath | ||||
| State : Madhya Pradesh | ||||
| U/s Rajnandgaon | ||||
| D/s Rajnandgaon | ||||
