Water Quality & Treatment

Ammonia Phosphorus Removal, Metropolitan Syracuse Treatment Plant Onondaga County, New York

In partnership with two other firms GHD was retained by Onondaga County, New York to provide engineering services in connection with the design and construction of improvements to its 84 million-gallon-per day Metropolitan (METRO) wastewater treatment plant, with the objective of upgrading the level of wastewater treatment provided for ammonia and phosphorus removal.

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A private investment valued at $728,274 USD was made to build a reservoir, water treatment plant with capacity of 90,000m³/day, a 45km transmission pipeline system with diameter of 800-900mm from Dong Tam to Go Cong town, and a booster pumping station in the Mekong Delta province of Tien Giang, Vietnam. GHD Vietnam was appointed to provide technical assistance, project management and supervision for the project.

The project aimed at supplying fresh water for about 590,000 inhabitants in Go Cong town and two local districts Go Cong Dong and Go Cong Tay as well as Cho Gao town and a few industrial parks in Cho Gao as a supplementary water supply. The project commenced in December 2008 under the Build Own Operate (BOO) form. Tien Giang People’s Committee and Tien Giang Water Supply and Sewerage Company will be responsible for the distribution of water and invest on construction of secondary pipe network.

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The Hamilton City Council in New Zealand wanted a world-class Water Treatment Station that met the city's water needs and exceeded or met New Zealand Drinking Water Standards at the lowest whole-of-life cost.

The original Hamilton Water Treatment Station (WTS) was a conventional clarification and filtration plant with a nominal capacity of 80 ML/d. The WTS drew water from the Waikato River and, in recent years, the water has shown increasing levels of unpleasant taste and odour as river algal levels increased. Cyanotoxins levels above detectable levels have also been found.

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Scottsdale Booster Station

The City of Scottsdale commissioned GHD to design Booster Pump Station Number 179 (BPS179) to provide water pressure to the downtown Scottsdale area. The station serves as a dual purpose facility. It supplies potable water at a higher pressure to serve new high rise commercial and residential condominium projects.  It also serves as a link to the downtown arts district. The project’s architecture complements the atmosphere of downtown Scottsdale.

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GHD provided evaluation, design and construction services for comprehensive improvements to the City of Binghamton’s water filtration facilities and Water and Sewer Department offices.

The facility is a 20 million gallons a day (76Ml/d) conventional filtration plant, including: a raw water pumping station and intake on the Susquehanna River; chemical feed building housing alum, chlorine dioxide, sodium chlorite, powder-activated carbon, acid, caustic and polymer; four flocculation/sedimentation basins; and 10 rapid sand filters, chlorination, corrosion control and fluoridation.

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The AUD$2.5 billion Western Corridor Recycled Water Project is Australia’s largest water recycling scheme and the third-largest advanced water treatment project in the world.

It uses secondary wastewater from Brisbane and Ipswich, to produce 232Ml of purified recycled water a day. The project is the Queensland State Government’s response to unprecedented demand on its water supply due to population growth, climate change and the worst drought in recorded history.

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