| gptkbp:instanceOf | gptkb:infrastructure 
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                                | gptkbp:benefit | reduces sewage overflows into Lake Michigan 
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                                | gptkbp:constructionStartYear | 1988 
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                                | gptkbp:cost | $716 million 
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                                | gptkbp:country | gptkb:United_States 
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                                | gptkbp:environmentalImpact | improved water quality in Milwaukee area 
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                                | gptkbp:length | 26 miles 
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                                | gptkbp:location | gptkb:Milwaukee,_Wisconsin,_USA 
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                                | gptkbp:mainContractor | Kenny Construction 
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                                | gptkbp:maximumDepth | 300 feet 
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                                | gptkbp:nickname | Deep Tunnel 
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                                | gptkbp:officialName | Milwaukee Metropolitan Sewerage District Deep Tunnel Project 
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                                | gptkbp:operator | gptkb:Milwaukee_Metropolitan_Sewerage_District 
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                                | gptkbp:purpose | stormwater management wastewater storage
 
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                                | gptkbp:relatedTo | gptkb:Lake_Michigan gptkb:Milwaukee_Metropolitan_Sewerage_District
 
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                                | gptkbp:storage | over 400 million gallons 
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                                | gptkbp:type | deep tunnel 
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                                | gptkbp:yearCompleted | 1993 
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                                | gptkbp:bfsParent | gptkb:Tunnel_and_Reservoir_Plan_(TARP) gptkb:TARP_(Tunnel_and_Reservoir_Plan)
 gptkb:Tunnel_and_Reservoir_Plan
 
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                                | gptkbp:bfsLayer | 8 
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                                | https://www.w3.org/2000/01/rdf-schema#label | Deep Tunnel Project 
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