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Middle Boulder Creek Above North Boulder Creek Confluence |
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Middle Boulder Creek Above North Boulder Creek Confluence |
For February, 2002 the WQI rating at Middle Boulder Creek Above North Boulder Creek Confluence (BC-aNBC) was Good (B) due to a WQI value of 87.09.
The chart below details the WQI calulations at this site. See the detailed explanation of the WQI method for more information.
| Parameter | Unit | Parameter Value | Q-value | Weight Factor | Total |
|---|---|---|---|---|---|
| DO% | % sat | 0.00 | 99.00 | 0.17 | 16.83 |
| Fecal Coliform | #/100 mL | Data Unavailable | |||
| pH | pH | Data Unavailable | |||
| Total Phosphate | mg PO4/L | Data Unavailable | |||
| Nitrates | mg NO3/L | Data Unavailable | |||
| Turbidity | NTU | Data Unavailable | |||
| Total Solids | mg/l | 0.00 | 100.00 | 0.07 | 7.00 |
| Parameter | Unit | Parameter Value | Q-value | Weight Factor | Total |
|---|---|---|---|---|---|
| DO% | % sat | 105.30 | 98.51 | 0.17 | 16.75 |
| Fecal Coliform | #/100 mL | 20.00 | 61.54 | 0.16 | 9.85 |
| pH | pH | 7.09 | 89.02 | 0.11 | 9.79 |
| Total Phosphate | mg PO4/L | 0.13 | 92.58 | 0.10 | 9.26 |
| Nitrates | mg NO3/L | 0.40 | 95.79 | 0.10 | 9.58 |
| Turbidity | NTU | 1.11 | 94.92 | 0.08 | 7.59 |
| Total Solids | mg/l | 72.00 | 85.48 | 0.07 | 5.98 |
| Totals (factors, total) | 0.79 | 68.80 | |||
| Adjusted WQI | 87.09 | ||||
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. These values are totaled and then divided by the sum of the weight factors.