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Project Details
  • Arnot #2 Discharge #4
    No
    Underground
    Passive Treatment System
    Babb Creek
    Cherry Flats
    Tioga
    Pennsylvania

    The original passive system was constructed in 1995 for $204,647 and included an Anoxic Limestone Drain and a Vertical Flow Pond. An upgrade was completed in 2005 for $83,400 in which the Vertical Flow Pond was rebuilt due to plugging issues. Tthe number of laterals in the underdrain was increased from 6 to 11, the stone which original was 2B was replaced with AASHTO #3, and the composted was replaced. The ALD also kept plugging so a flushing system was added. . In 2008 the ALD was converted to a limestone ramp for about $25,000.

    1995
    $414,254.00
    $204,647.00
    41° 40' 5.0016" N
    77° 8' 36.9996" W
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)
230-.5171.73.793.41----4.5583--075.871.28--5.86--6.09--194.418.5
230-.5B2168.36.426.67----6.7543--69.89-54.880.27--1.17--1.47--192.48.5
0.5B121.36.87.02------699--134.52-47.510.49--3.37--0.28--247.710.1
Treatment Technologies
Treatment Technology Quantity of Elements
Inclined Plane Limestone Bed 1
Vertical Flow Pond (VFP) 1