Holme on Spalding Moor STW - Secondary Wastewater Treatment in East Riding of Yorkshire

Holme on Spalding Moor STW is a wastewater treatment works located on Baileywood Lane in Holme upon Spalding Moor, East Riding of Yorkshire, England. The plant serves a population of 2,887 and is situated in a rural area near the River Foulness, part of the Humber Estuary catchment. The facility provides secondary treatment, which is the standard required under the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. The plant has a designed capacity of 3,210 m³/day and currently discharges 642.75 m³/day of treated effluent, indicating it operates well below its design capacity. The treated effluent from the plant ultimately drains into the River Foulness, a tributary of the Humber Estuary, which flows into the North Sea. The Humber Estuary is a major ecological site supporting diverse birdlife and fish species, and the plant's secondary treatment helps protect this sensitive downstream environment.

The plant discharges into the River Foulness, which flows into the Humber Estuary and then the North Sea. The Humber Estuary is a large, ecologically important water body that supports migratory birds, fish, and invertebrates. Secondary treatment reduces organic pollutants and suspended solids, helping to maintain water quality in this downstream environment.