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Bow River Phosphorus Management Plan : water quality modeling scenarios

Description

Eight scenarios were run with the Bow River Water Quality Model (BRWQM) to support the Bow River Phosphorus Management Plan (PMP). The scenarios predicted close to 10% increase in the instream... More ≫

Description

Eight scenarios were run with the Bow River Water Quality Model (BRWQM) to support the Bow River Phosphorus Management Plan (PMP). The scenarios predicted close to 10% increase in the instream Total Phosphorus (TP) concentration above Highwood River using the loading projected by 2039. The Dissolved Oxygen (DO) was above the chronic guideline of 6.5 mg/L in all the scenarios; however, in some instances the DO was below 8.3 mg/L in May and June. The acute guideline showed two critical locations: 10 km downstream from Bonnybrook and 10 km downstream from Strathmore wastewater treatment plants (WWTP). The frequency of compliance was at or below 99.91% in these two locations for the scenarios that used the forecasted TP loading by 2039.

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