Gravette Quarry Stormwater Outfall, Gravette, Arkansas | United States

Gravette Quarry is a stormwater outfall located at 14404 Rocky Dell Hollow Rd. in Gravette, Arkansas, within Benton County. The facility is operational and manages stormwater discharge from a quarry operation classified under NAICS 212312 (Crushed and Broken Limestone Mining and Quarrying). As a stormwater outfall, it plays a role in controlling runoff from industrial activities to protect local water quality. The facility operates under the regulatory framework of the US Clean Water Act, specifically the National Pollutant Discharge Elimination System (NPDES) program. Stormwater discharges from industrial activities like quarries are typically regulated under NPDES Multi-Sector General Permits or individual permits. The facility's location in Benton County, part of the fast-growing Northwest Arkansas region, means it must comply with state and federal stormwater management requirements to minimize impacts on receiving waters. Environmental significance of this outfall relates to its discharge into local waterways, which may include streams or rivers in the Ozark region. Proper management of stormwater from quarry operations is essential to prevent sediment, nutrients, and other pollutants from degrading water quality. The facility's compliance with NPDES permit conditions helps protect aquatic ecosystems and downstream water resources.

The Gravette Quarry stormwater outfall discharges into local waterways in the Ozark region, an area characterized by karst topography and sensitive aquatic habitats. Stormwater runoff from quarry operations can carry sediment, metals, and other pollutants that may impair water quality. Regulatory oversight under the Clean Water Act and Arkansas Department of Energy and Environment ensures that discharges meet water quality standards to protect downstream ecosystems and drinking water sources.