Overview
HAMME MILLE is a secondary wastewater treatment plant in Grez-Doiceau, Brabant wallon, Belgium, serving 1,296 people with a designed capacity of 7,000 m³/day and an average discharge of 231.66 m³/day.
HAMME MILLE is a municipal wastewater treatment plant located in the hamlet of Hamme-Mille, part of Grez-Doiceau in the Brabant wallon province of Belgium. The plant serves a small population of 1,296 residents and is designed to handle up to 7,000 m³ of wastewater per day, with an average daily discharge of 231.66 m³. The plant provides secondary treatment, which is the standard biological treatment required under the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. The directive mandates secondary treatment for all discharges from agglomerations with a population equivalent (PE) above 2,000, and HAMME MILLE, serving 1,296 people (approximately 1,296 PE), meets this requirement. The treated effluent is discharged into local watercourses that eventually drain into the Dyle River, a tributary of the Scheldt, which flows through Belgium and the Netherlands into the North Sea. The plant plays a key role in protecting the Dyle catchment from nutrient pollution and maintaining water quality in the region.
Environmental context
The plant discharges into the Nethen stream, a tributary of the Dyle River, which flows into the Scheldt estuary and ultimately the North Sea. The Dyle catchment supports diverse aquatic life and is used for recreation and drinking water abstraction. Secondary treatment reduces organic load and suspended solids, helping to prevent eutrophication in downstream water bodies.
Frequently asked questions
The plant is located in the hamlet of Hamme-Mille, part of the municipality of Grez-Doiceau in the Brabant wallon province of Belgium.
The plant serves approximately 1,296 residents in the Hamme-Mille area.
The treated effluent is discharged into local streams that flow into the Nethen and then the Dyle River, which is part of the Scheldt basin draining into the North Sea.
The plant provides secondary treatment, which is the standard biological treatment required under the EU Urban Waste Water Treatment Directive for agglomerations of this size.
As a Belgian plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations above 2,000 PE. The plant's capacity of 7,000 m³/day aligns with this requirement.
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