Hydrostatic and Aquifer Pump Test (Mineral Mining) General Permit
On July 18, 2025 DEC issued the general permit for (AKG003000) Hydrostatic and Aquifer Pump Testing, effective September 1, 2025 and expiring August 31, 2023. Permittees will have 120 days to file for coverage under the new permit.
The 2025 Hydrostatic General Permit, AKG003000, provides discharge authorization to entities conducting hydrostatic testing. Hydrostatic discharges including flushing that consist of either potable or non-potable water discharges used to pressurize a tank or vessel to conduct leak detection tests.
The 2025 Aquifer Pump Test General Permit, AKG003000, provides discharge authorization to entities conducting aquifer pump testing in support of mineral mining development and exploration only. Discharges that are authorized under AKG003000 consist of groundwater pump tests to conduct water quality, water quantity tests or hydrogeological investigations and discharged to either the surface or to a water body in support of mineral mining development and exploration. The primary pollutants would be suspended solids, dissolved solids, and potentially naturally occurring trace metals.
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