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De Sale Phase III


Map & Directions | Aerial Photo
The De Sale Phase III passive treatment site is located in the headwaters of Seaton Creek. Two surface mine discharges at this site were previously treated with a soda ash briquettes on a daily basis while the mining company was in operation. A passive treatment system has since been installed to abate the discharges.
Water Quality Data (summary)
Sample PointAcidity (mg/L) - LabAlkalinity (mg/L) - FieldAlkalinity (mg/L) - LabAluminum (Dissolved) (mg/L) - LabAluminum (Total) (mg/L) - LabDissolved Oxygen (mg/L) - FieldField Temperature (C) - FieldFlow (gal/min) - FieldIron (Dissolved) (mg/L) - LabIron (Total) (mg/L) - LabManganese (Dissolved) (mg/L) - LabManganese (Total) (mg/L) - LabORP (mvolts) - FieldpH (S.U.) - FieldpH (S.U.) - LabSpecific Conductance (umhos/cm) - LabSulfate (mg/L) - LabTotal Suspended Solids (mg/L) - Lab
Forebay508.940023.6729.077.3213.6912.38112.91108.02119.39106.09313.833.053.0530642446.9616.11
HFLB34.8858.4358.430.140.851.5510.7411.670.610.666.6652.2121.86.476.472248.581481.766.71
PTS Performance
Water Treated
6,105,046 (gal/yr)
Alk. Loading
2 (lbs/yr)
Load Reductions
Iron (Total)5,729 (lb/yr)
Manganese (Total)2,546 (lb/yr)
Aluminum (Total)1,409 (lb/yr)
Acidity23,421 (lb/yr)