Skip navigation
Project Details
  • Bear Run Phase IV
    No
    Underground
    Passive Treatment System

    Bear Run Phase IV, completed in 2012, treats the newly created discharge created by combining several discharges emanating from the Superior #3 Mine using a manual flush oxic limestone drain.

    2012
Water Quality Data Summary
Sample PointFlow - Field!!(gal/min)pH - Field!!(S.U.)pH - Lab!!(S.U.)ORP - Field!!(mvolts)DO - Field!!(mg/L)Temp - Field!!(C)Cond - Lab!!(umhos/cm)Alkalinity - Field!!(mg/L)Alkalinity - Lab!!(mg/L)Acidity - Lab!!(mg/L)T. Fe  - Lab!!(mg/L)D. Fe - Lab!!(mg/L)T. Mn  - Lab!!(mg/L)D. Mn  - Lab!!(mg/L)T. Al - Lab!!(mg/L)D. Al - Lab!!(mg/L)SO4 - Lab!!(mg/L)TSS - Lab!!(mg/L)
4.1503.333.4----10.9564--049.50.81--2.65--3.02--2070
4.250.37.417.65----12.5705--151-130.50.08--0.03--0.08--208.55
Treatment Technologies
Treatment Technology Quantity of Elements
Oxic Limestone Drain (OLD) 1