BAJSA Projects Public Notice Berwick Borough's sewer system is a combined system of sanitary and storm water. During wet weather conditions, the Combined System Overflows may potentially discharge overflow directly to the Susquehanna River. The Combined System Overflows are located by the river at Oak Street, Ida Street and Iron Street. Current Projects The North of Ida Street Storm Water/Sanitary Sewer Project is approximately 64% complete….. so new roads in the Borough of Berwick are coming this Spring. Thanks for everyone’s consideration in dealing with the construction phase of the projects. Upcoming Projects North of Mercer Street and North of Iron Street. Peters Consultants have been contacting residents via letter to get basement elevations for the next phase of these projects.