Boulder Creek Water Quality Index |
6-parameter Test | result | unit | Q-value | weight factor | total |
BC-aSV 10/2000 | |||||
DO | 199 | % sat | 50 | 0.17 | 8.5 |
Fecal Coliform | 2 | #/100 mL | 90 | 0.16 | 14.4 |
pH | 9.58 | std units | 26 | 0.11 | 2.86 |
Total Phosphate | 0.479 | mg/L PO4-P | 60 | 0.10 | 6 |
Nitrates | 24.04 | mg/L NO3 | 34 | 0.10 | 3.4 |
Turbidity | 3.1 | NTU | 88 | 0.08 | 7.04 |
totals (factors, total) | 0.72 | 42.2 | |||
adjusted WQI | 58.6 |
The WQI is computed by converting measured Water Quality Parameters to "Q-Values" using charts developed by the National Sanitation Foundation (NSF) water quality scientists. The Q-Values are then multiplied by a weighting factor based on the importance of that water quality parameter.