The prolonged prison overcrowding at Luzerne County’s lockup cannot be allowed to continue, for reasons of safety as well as justice. One day last week, 507 inmates squeezed into the correctional facility, which, by design, is intended to hold 505. Another 181 people were housed at a nearby building for minimal offenders. A space crunch isn’t unique to our community’s prison by any stretch, but this factor is: As recently as November, between 75 to 80 percent of inmates at the Luzerne County Correctional Facility on Water Street, in Wilkes-Barre, were not serving sentences, but instead were waiting for the court to impose a sentence. By contrast, the national average for inmates in a similar circumstance is about 30 percent, according to Judge Michael T.