City of Lock Haven Sewage Treatment Plant Upgrade Project: 3.75 MGD Biological Treatment Facility Date Completed: March 2013 Construction Duration: 10 months Description: The city of Lock Haven, PA constructed a $33 million wastewater treatment plant upgrade in response to the DEP’s new discharge limits for total nitrogen and total phosphorous. The Biological Treatment Facility, constructed by Dutchland, Inc. using precast

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