Gator Environmental & Rentals Inc., a Port Allen waste water disposal company, has been acquired by QualaWash Holdings LLC of Tampa, Florida.

The price was not disclosed.

Gator also collects and transports waste water.

QualaWash is part of Atlanta-based private equity firm Roark Capital’s portfolio. Gator is the ninth company QualaWash has acquired since 2012 and Roark’s 60th environmental services-sector deal.

Roark has raised more than $6 billion in equity capital.