KEY POINTS
A Heckmann Water Resources treatment plant that separates oil, sediment and water mixed during the hydraulic fracturing process, near Shreveport, Louisiana.

Weak oil prices have slammed the great centers of American energy in many different ways and from a variety of angles. In the case of Louisiana, the rout kicked the state while it was already down.

The crude price rout arrived in 2014 as Louisiana was already using a patchwork of one-time measures to grapple with budgetary shortfalls that came about because the Pelican State had slashed income taxes and raised education spending when it was flush with cash.