Knaresborough STW - Wastewater Treatment Plant in North Yorkshire, England

Knaresborough STW is a wastewater treatment works located in Knaresborough, North Yorkshire, England. It serves a population of approximately 17,086 residents, classifying it as a medium-sized agglomeration under UK water industry standards. The plant is situated near the River Nidd, a tributary of the River Ouse, which flows through the Yorkshire Dales. As a UK wastewater facility, Knaresborough STW operates under the Water Industry Act 1991 and is regulated by the Environment Agency. Treatment processes typically include primary and secondary stages, with tertiary treatment where required to meet discharge consent conditions. UK regulations mandate secondary treatment for populations of this scale. The treated effluent from Knaresborough STW is discharged into the River Nidd, which flows into the River Ouse and eventually into the Humber Estuary. This watercourse supports diverse aquatic life and is important for local biodiversity. The plant plays a key role in protecting water quality in the Nidd catchment, which is part of the larger Humber River Basin District.

Knaresborough STW discharges into the River Nidd, a tributary of the River Ouse, which drains into the Humber Estuary. The River Nidd supports a variety of fish species, including brown trout and grayling, and is an important habitat for aquatic invertebrates. The plant's operations help maintain water quality in this ecologically sensitive river system, which flows through both rural and urban areas in North Yorkshire.