Articles Tagged with ''water/environment''

Back in 2013, the California Coastal Commission denied the permit for Morro Bay’s then 60-year-old wastewater treatment plant, directing the city to relocate the facility to a more inland area consistent with the Coastal Act policies.

The dam was built in 1912 to support fire protection, drinking water and manufacturing needs.

Hampton Roads Sanitation District’s Atlantic Treatment Plant, which has a permitted design capacity of 54 million gallons per day, operates as a high-rate activated sludge plant that is able to achieve biological oxygen demand and total suspended solids removal.

A growing population, aging infrastructure and more stringent effluent limits spurred the need for a large-scale expansion of the Tomahawk Creek Wastewater Treatment Facility, which first began operations in 1955 in Johnson County, Kan.

Stabilizing a quarry where rockfalls threatened to crush critical infrastructure under construction demanded a meticulous approach and required workers to rappel slopes to remove loose material.

After years of rising odor complaints and operating costs, a $32.5-million facility provided a sustainable solution by replacing the existing belt filter presses and lime stabilization process with a centrifuge dewatering and drum drying process.

As part of the federal permanent injunction regarding culvert corrections, this $25-million design-build project corrected two fish barriers and replaced them with four fish passable structures.

As the city of Logan's largest-ever capital improvement project, this effort replaced an existing 460-acre open-air wastewater lagoon complex with an 18-million-gallon-per-day regional wastewater treatment facility.

As part of an extensive modification effort, this project’s scope of work included enclosing the Steinaker Service Canal within a pressurized pipeline and installing more than 15,000 linear ft of 78-in. solid wall high density polyethylene (HDPE) pipe.

Located at an elevation of 8,000 ft, Northern Water supplies water to more than 1 million people and 615,000 irrigated acres in Northeastern Colorado.