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Award of Merit Water/Environment: Tucson Blvd. Diversion Structure

ENR Construction

When a rotten egg odor began plaguing the El Rio Vista Natural Resource Park, local officials realized that it was coming from a Pima County wastewater sewer structure, which had undergone numerous modifications over the last 50 years.

Tucson 45
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Merit Water/Environment - Lift Station 87 Wet Weather Flow Transfer

ENR Construction

is bolstering the city’s sewer and wastewater capabilities. million Lift Station 87 Wet Weather Flow Transfer facility in St. Petersburg, Fla.,

Sewer 36
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Best Sustainability, Award of Merit Safety, Award of Merit Water/Environment: South Adams County Water

ENR Construction

The 12 alluvial wells that supply the South Adams County Water and Sanitation District’s 66,000 customers produce severely hard water, requiring local homeowners to frequently replace plumbing and water heaters and purchase costly in-home softeners that release corrosive brine waste into the sewer.

Sewer 68
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Best Project - Water/Environment: Silicon Valley Clean Water Gravity Pipeline Project

ENR Construction

Silicon Valley Clean Water undertook this project as part of a $580-million Regional Environmental Sewer Conveyance Upgrade Program to rehabilitate and convert its 50-year-old raw wastewater conveyance system that was at the end of its useful life from a force main system to a gravity conveyance system.

Sewer 36
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Award of Merit Water/Environment Central Industrial District (CID) Green Infrastructure and Improvements Project

ENR Construction

To help develop and assess new techniques for capturing stormwater runoff before it enters the combined sanitary sewer system, the Kansas City Water Services Dept. piloted a green infrastructure demonstration project that aims to reduce overflows by more than 20%.

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Water/Environment Award Of Merit: South Cobb Emergency Services Contract

ENR Construction

A 2018 failure at South Cobb’s Wastewater Reclamation Facility influent lift station caused a backup of its combined sewer overflow system that spilled sewage into the Chattahoochee River.

Sewer 37
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Award of Merit Water/Environment: Anacostia River Tunnel

ENR Construction

Designed to substantially reduce combined sewer overflows to the waterways of the nation’s capital, the $240-million, 12,300-ft-long hydraulic tunnel traverses a route that includes varying subsurface conditions, fragile utility networks and above-ground environments ranging from rivers and parks to densely populated urban neighborhoods.