US91
US91
Project Details
| Original Construction Year | 2020 |
| Most Recent Rebuild Year | |
| Total Cost | 0.00 |
| Total Capital Cost | $146,000.00 |
| Latitude / Longitude Method | Unknown |
| Latitude | 41.225926 |
| Longitude | -79.944447 |
| Elevation | 1370 |
| Project | US91 |
| Project Type | Passive Treatment System |
| Project Status | Good/Operational |
| AMD Source | Surface |
| Stream | Upper Scrubgrass Creek |
| Watershed | |
| River Basin | Allegheny |
| Quad | Irwin |
| City/Township | Barkeyville / Irwin |
| County | Venango |
| State | PA |
Description: Drainable limestone bed (1,000 tons) followed by two repurposed existing mine ponds. The US91 discharge is has pH 3-4 and contains 23 mg/L Al, 7 mg/L Mn, and 2 mg/L Fe. The limestone bed is equipped with an AgriDrain SDS and drains empty once each week.
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| Contact Person: |
| Contact Organization: |
| Project Designer: Hedin Environmental |
| Project Designer Organization: Hedin Environmental |
| Project Responsible Organization: |
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| Project Performance |
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