A. Domestic per capita pollution loads reaching surface watera | B. Industrial concentrations in effluent per type of industry | |||||||||||
Urban category | Water use | COD | BOD | TN | TP | Coliform | Type of industry | COD | BOD | TN | TP | |
l/cap/d | g/p/d | 1/100 ml | mg/l | |||||||||
1. Metropolitan | 190 | 82.2 | 41.1 | 12.3 | 2.1 | 1 × 108 | Food & Beverageb | 5000 | 3000 | 80 | 30 | |
2. Large town | 170 | 81.0 | 40.5 | 12.3 | 2.0 | 1 × 108 | Paperc | 4000 | 1500 | 20 | 10 | |
3. Medium town | 150 | 73.5 | 36.7 | 11.3 | 1.9 | 1 × 108 | Pharmaceuticald | 5000 | 1500 | 127 | 25 | |
4. Small town | 130 | 65.3 | 32.7 | 10.2 | 1.7 | 1 × 108 | Rubberd | 7340 | 4400 | 1100 | 220 | |
5. Village | 100 | 56.9 | 28.5 | 9.1 | 1.5 | 1 × 108 | Textilee | 1350 | 450 | 60 | 20 | |
6. Rural | 30 | 47.3 | 23.7 | 7.9 | 1.3 | 1 × 108 | Othersd | 280 | 168 | 42 | 8 | |
C. Agricultural pollution loads (g/Yield.ha)d | ||||||||||||
Type of crops | COD | BOD | TN | TP | Coliforms | |||||||
Rice | 45 | 22.5 | 21.5 | 6.5 | 0 | |||||||
Non-rice food crops | 34 | 17 | 4.6 | 0 | 0 | |||||||