As much as 75% of the region was without power after Zeta went through. On the Northshore CLECO said that with some 68,000 customers out in St. Tammany Parish, that was also about three quarters off all customers without electricity. In Jefferson parish, authorities say with approximately 83 percent of the parish without power, it is straining the sewage system. Entergy reported 176,618 outages as of last night in Jefferson Parish. Overall, Entergy reported 438,496 were in the dark after the storm passed.