| Average values in Varanasi 2006 |
| Location / Parameters | Biochemical Oxygen Demand (mg/l) | Fecal Coliform Count / 100ml |
At beginning of the Varanasi City
Near Assi/Tulsi ghat
| 3-8 mg/l | 20,000 - 100,000 per 100ml |
Downstream of the Varanasi City
Varuna confluence with Ganga
| 20-50 mg/l | 1,000,000-2,000,000 per 100ml |
| Permissible limits for bathing | Less than 3mg/l | Less than 500 per 100ml |
| Some times we also monitor at some ghats in AHALLABAD |
Here you can see the value of the most important parameters in 2 different ghats.
Sangam Ghat – most frequent bathing ghat and Shankar Ghat, which has very severe outfalls of sewage.
|
| Parameter | Sangam Ghat | Shankar ghat |
| 2007 | 16/1 25/1 2/2 15/6 | 16/1 25/1 2/2 15/6 |
| DO mg O2 g/l | 7,8 8,8 9,0 5,2 | 7,5 7,8 7,0 4,1 |
| BOD mg O2 g/l | 38 32 31 23 | 30 43 47 32 |
| FCC thousands/100 ml | 20 31 48 29 | 210 260 310 160 |
| |
| Parameter | Sangam Ghat | Shankar ghat |
| 2008 | 11/1 1/2 | 11/1 1/2 |
| DO mg O2 g/l | 11,8 12,2 | 10,8 10,0 |
| BOD mg O2 g/l | 6,8 21 | 18,6 22 |
| FCC thousands/100 ml | 43 86 | 344 370 |