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Boulder Creek Below Coal Creek |
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Boulder Creek Below Coal Creek |
For May, 2006 the WQI rating at Boulder Creek Below Coal Creek (BC-bCC) was Medium (C) due to a WQI value of 55.65.
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 | 128.50 | 86.02 | 0.17 | 14.62 |
| Fecal Coliform | #/100 mL | 330.00 | 27.19 | 0.16 | 4.35 |
| pH | pH | 8.69 | 61.31 | 0.11 | 6.74 |
| Total Phosphate | mg PO4/L | 0.98 | 37.58 | 0.10 | 3.76 |
| Nitrates | mg NO3/L | Data Unavailable | |||
| Turbidity | NTU | 13.00 | 68.36 | 0.08 | 5.47 |
| Total Solids | mg/l | 363.00 | 49.35 | 0.07 | 3.45 |
| Totals (factors, total) | 0.69 | 38.40 | |||
| Adjusted WQI | 55.65 | ||||
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.