This solicitation is for the Water Filtration Services to be performed at sites of sole-source domestic water wells. Under Water Filtration Services contracts, the Remediation Division issues work orders for services to be performed at sites of sole-source domestic water wells. Services include installation and maintenance of filtration systems to remove hydrocarbon contamination, volatile organic compounds, semi-volatile organic compounds, and heavy metal contamination. Water Filtration Services operations must be sustained at sole-source domestic water wells impacted by contaminates to reduce identified direct risk to human health. Continued provision and support of these water filtration services requires continuity of contracts.