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Walworth County Metropolitan Sewerage District

WalCoMet serves 11 entities that comprise an area of 16 square miles with a current population of over 28,000. Each entity’s wastewater is discharged into 38 miles of interceptor sewers owned and maintained by WalCoMet.

The 11 entities are: Delavan Lake Sanitary District, City of Elkhorn, Walworth County Institutions, City of Delavan, Veolia ES Mallard Ridge Landfill, Village of Williams Bay, Inspiration Ministries, Geneva National, Village of Darien, Town of Darien Utility District, and the Lake Como Sanitary District.

The Collection system includes 10 lift stations, 31 miles of force main, and 7 miles of gravity sewers. Flow from the entities is measured and sampled at lift stations. Each lift station must be maintained for continuous service.

Walworth County Metropolitan Sewerage District

Phone: 262-728-4140
Fax:     262-728-4142


Average Daily Flow  7.00 MGD

Peak Monthly Flow   9.57 MGD
 Peak Daily Flow     20.20 MGD

The Mission of the Walworth County Metropolitan Sewerage District is to protect public health and the environment by collecting, conveying and treating wastewater to meet customers needs

while providing an exceptional quality effluent that meets discharge permit requirements

at the lowest possible cost to those served.

Meeting Notice & Agendas


Walworth County Metropolitan

Sewerage District

975 W. Walworth Avenue
Delavan, WI 53115

Phone: 262-728-4140
Fax:     262-728-4142

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