Probe holes for DEP testing

PA Department of environmental  protection

“DEP’s (Pennsylvania Department of Environmental Protection) Office of Water Programs administers and oversees departmental programs involving surface and groundwater quantity and quality planning, and soil and water conservation. The office also coordinates policies, procedures, and regulations which influence public water supply withdrawals and quality, sewage facilities planning, point source municipal and industrial discharges, encroachments upon waterways and wetlands, dam safety, earth disturbance activities and control of storm water and non-point source pollution. In addition, the Office of Water Programs also coordinates the planning, design and construction of flood protection and stream improvement projects.”

Source: http://www.dep.pa.gov/Business/Water/Pages/default.aspx