Subsurface water found feeding Mill Hall drainage basin; engineers, DEP and conservation district to inspect
October 29, 2025 | Keystone Central SD, School Districts, Pennsylvania
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Facilities staff told the committee that the Mill Hall surface-water collection basin is remaining wet for prolonged periods because subsurface flow from the hillside is moving through the surface-drain stone and piping and seeping into the basin.
Lobar first reported the persistent wet condition about three weeks earlier. District staff and ELA Engineering reviewed photographs and design drawings and concluded the basin was designed for surface runoff rather than subsurface springs or groundwater. Sam said the next step is to host an on-site inspection that includes Crabtree, DEP, the conservation district and the district's civil engineer to diagnose the source of seepage and identify remedies.
A board member asked staff to investigate an adjacent property deed restriction and water-right concerns; staff said they would follow up. The committee did not approve remedial construction at the meeting and will await the multiagency on-site assessment to determine scope and cost.
Lobar first reported the persistent wet condition about three weeks earlier. District staff and ELA Engineering reviewed photographs and design drawings and concluded the basin was designed for surface runoff rather than subsurface springs or groundwater. Sam said the next step is to host an on-site inspection that includes Crabtree, DEP, the conservation district and the district's civil engineer to diagnose the source of seepage and identify remedies.
A board member asked staff to investigate an adjacent property deed restriction and water-right concerns; staff said they would follow up. The committee did not approve remedial construction at the meeting and will await the multiagency on-site assessment to determine scope and cost.
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