Holiday Island SID WWTP - Advanced Wastewater Treatment in Carroll County, Arkansas

Holiday Island SID WWTP is a wastewater treatment facility located in Carroll County, Arkansas, United States. The plant serves a population of approximately 2,373 residents, providing advanced treatment to protect local water quality. As a municipal facility in the Ozark region, it plays a key role in managing wastewater for the Holiday Island community. The plant employs advanced treatment processes, which go beyond secondary treatment to remove nutrients and other pollutants. With a designed capacity of 1,892.70 units and an actual discharge volume of 817.65 units, the facility operates below its capacity. Under the U.S. Clean Water Act, such plants are required to meet National Pollutant Discharge Elimination System (NPDES) permit limits, ensuring effluent quality standards are maintained. The treated effluent from Holiday Island SID WWTP is discharged into local waterways that ultimately drain into the White River basin, a major tributary of the Mississippi River. The White River supports diverse aquatic life and provides drinking water for downstream communities. The plant's advanced treatment helps reduce nutrient loading, which is critical for preventing eutrophication in receiving waters and protecting the ecological health of the region.

The plant discharges into local streams that flow into the White River, a major waterway in Arkansas and Missouri. The White River eventually joins the Mississippi River, which drains into the Gulf of Mexico. The region's aquatic ecosystems support diverse fish and wildlife, including species of recreational and ecological importance. Advanced treatment at this plant helps minimize nutrient pollution, which can cause algal blooms and hypoxia in downstream waters, including the Gulf of Mexico dead zone.