Laborers in the Bakken work shifts; 2 weeks on, 2 weeks off.
The oil and gas industry, in 2019, employed 35K people. Many are independent contractors, and 98% are men. During their 2 weeks on, they reside in Man Camps
A Man Camp occupied by hundreds of people at a time burdens local sewer and infrastructure.
As a result, many camps have onsite wastewater systems, treating wastewater in large open-pit ponds.