PHASE II CRITERIA
§ 269a.41. Water supply.
(a) The applicant shall determine whether a proposed surface impoundment, landfill or land treatment facility is within the groundwater recharge area for public or private water supplies. The applicant shall delineate the position of the proposed facility site within relevant groundwater flow systems. The applicant shall identify all public and private water supplies and water treatment plants which may potentially be adversely affected by groundwater flow associated with the proposed hazardous waste facility, such as the water supplies located down-gradient in the flow path from the facility.
(b) For water supplies or water treatment plants which may be affected by the proposed facility, the applicant shall submit a detailed hydrogeologic study including information addressing the following:
(1) Hydraulic conductivity of the aquifer for the water supplies.
(2) Hydraulic conductivity of the geologic deposits underlying the proposed facility.
(3) Assessment of the influence of faults, fractures or other structural geologic features upon hydraulic conductivity and groundwater flow directions.
(4) Pumping rates of water supply wells and the areal extent and configuration of the cone of pumping depression associated with these wells in relation to the groundwater table of the surrounding areas.
(c) For water supplies or water treatment plants which the hydrogeologic study required in subsection (b) indicate, may be adversely affected by the proposed facility, the applicant shall demonstrate:
(1) The hydrogeologic characteristics of the proposed facility site and adjacent areas assure that implementation of a groundwater monitoring well program will provide protection of water supplies or water treatment plants from potential contamination.
(2) The feasibility of providing a permanent alternative water supply acceptable to the water supply owner of like quantity and quality to the existing supply at no additional cost to the owner.
Cross References This section cited in 25 Pa. Code § 269a.13 (relating to phase II).
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