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Expert tells Bellefonte council work session Big Spring is fed by groundwater piracy; PFAS sites monitored nearby
Summary
At a Bellefonte work session presentation, Todd Giddings outlined geological evidence that Big Spring’s nearly constant flow is fed by groundwater conduits that cross watershed divides and noted two nearby PFAS contamination sites have been studied and are being managed.
Todd Giddings, introduced at the Baufrock Borough Council work session as a presenter, told residents May 20 that Big Spring’s unusually steady flow — roughly 15,000,000 gallons per day — comes from groundwater moving through solution conduits in the Gatesburg formation and along the Birmingham Thrust Fault, not from Lake Erie.
Giddings described how sandy soils and large underground solution conduits allow water that falls in an adjacent surface watershed to infiltrate, cross a surface-water divide underground and discharge at Big Spring. He showed contour maps derived from water levels measured in about 75 wells and described the process as “groundwater…
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