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Category of Water Quality_
| WQI (CCME Method) | Description | WQI (Weighted Arithmetic method) | Description |
|---|---|---|---|
| 95–100 | Excellent | 0–25 | Excellent |
| 80–94 | Good | 26–50 | Good |
| 65–79 | Fair | 51–75 | Bad |
| 45–64 | Marginal | 76–100 | Very Bad |
| 0–44 | Poor | >100 | Unfit. |
The variation in vegetation amount and beel area, after calculating pixel value_
| Year | Wetland area | Water body amount | Vegetation amount |
|---|---|---|---|
| [ha] | |||
| 2009 | 85.4 | 51.3 | 34.1 |
| 2011 | 85.4 | 37.8 | 47.6 |
| 2012 | 85.4 | 40.2 | 45.2 |
| 2013 | 85.4 | 51.4 | 34.0 |
Determination of WQI using CCME method_
| Seasons | pH | Turbidity | TDS | Nitrate | Sulphate | TH | TC | DO | BOD |
|---|---|---|---|---|---|---|---|---|---|
| [−] | [mg dm−3] | ||||||||
| Pre-monsoon | 8.73 | 79.7 | 108.67 | 0.6 | 2.67 | 86.67 | 133 | 3.93 | 2.30 |
| Monsoon | 7.50 | 63.3 | 99.50 | 0.4 | 2.01 | 80.34 | 120 | 2.98 | 1.89 |
| Post-monsoon | 8.15 | 74.8 | 104.67 | 0.5 | 2.45 | 83.23 | 128 | 3.11 | 2.05 |
| Objectives | 6.5–8.5 | 1 | 500 | 50 | 200 | 300 | <2 | 4 | 3 |
| F1 = (2 / 9) × 100 = 22.22 | F2 = (6 / 27) × 100 = 22.22 | ||||||||
| F3 = (nse / .01nse + 0.01) = 93.71 | |||||||||
The year range wise income and production_
| Year | Production [kg] | Income [Rs] |
|---|---|---|
| 2010–11 | 9429 | 1052837 |
| 2011–12 | 25555 | 3513492 |
| 2012–13 | 29413 | 5971355 |
| 2013–14 | 15333 | 1247279 |
| 2014–15 | 23775 | 3871711 |
Determination of WQI using weighted arithmetic method_
| Parameter | Observed Value (Vi) | Standard Value (Si) | Unit Weights (Wi) | Quality Rating (Qi) | Wi × Qi |
|---|---|---|---|---|---|
| pH | 8.73 | 6.5–8.5 | 0.160 | 115 | 18.400 |
| TDS | 108.67 | 500 mg/L | 0.003 | 21.7 | 0.065 |
| TH | 86.67 | 300 mg/L | 0.004 | 29 | 0.116 |
| DO | 3.93 | 6 mg/L | 0.220 | 124 | 27.280 |
| BOD | 2.30 | 2 mg/L | 0.660 | 115 | 75.900 |