Another classic from the CH2M HILL vault. Have you ever wondered what happens to the water you send down the drain? Learn more about what, at the time, was the world’s most advanced wastewater treatment system, The Lake Tahoe Advanced Wastewater Treatment Plant. – ch2mhillpr on YouTube
View this complete post...Archive for the ‘Water Treatment’ Category
Wastewater… Reject or Resource?
Friday, January 13th, 2012Jordan River Water Quality Study
Wednesday, January 4th, 2012This water quality study for the Jordan River establishes the Total Maximum Daily Load (TMDL) for Total Organic Matter (OM) of 3,983 kg/day that will achieve the model endpoint for Dissolved Oxygen (DO). This target concentration is defined in a water quality model (QUAL2Kw) which is being used as a decision support tool for restoring beneficial use to the lower Jordan River. Additional testing was conducted to quantify uncertainty of input parameters and rates used in the calibrated model. Based on these results and additional information reviewed during the TMDL process, a 1.0 mg/L implicit Margin of Safety (MOS) was added to the Jordan River instantaneous DO standard of 4.5 mg/L. Input concentrations of Total OM that resulted in meeting the model endpoint of 5.5 mg/L DO were used to define permissible loads to the lower Jordan River. This model endpoint and the resulting permissible loads account for levels of uncertainty that exist in the TMDL process at this time and are designed to maintain DO levels in the lower Jordan River above the instantaneous DO standard.
View this complete post...Great American Infrastructure: Grand Coulee Dam
Friday, December 23rd, 2011This is the eleventh in a series of entries celebrating infrastructure achievements in the United States.
What: The Grand Coulee Dam, located in Washington State and the largest hydro-power producer in the United States, is one of the top ten largest producers of electricity in the world.
View this complete post...Collins-McCaskill Bipartisan Jobs Bill Summary
Tuesday, December 13th, 2011Summary of Plan to Rebuild Nation’s Infrastructure Transportation Funds Funding to Support Transportation Infrastructure. The Collins-McCaskill Bipartisan Jobs Bill would authorize a one-time $10 billion appropriation to capitalize an existing DOT program that help states provide loans, loan guarantees, and other for ms of non-grant assistance which leverage private dollars. States would be required to [...]
View this complete post...Guest on The Infra Blog: Scott Huler, Author, “On the Grid”
Monday, December 12th, 2011Scott Huler was born in 1959 in Cleveland and raised in that city’s eastern suburbs. He graduated from Washington University in 1981; he was made a member of Phi Beta Kappa because of the breadth of his studies, and that breadth has been a signature of his writing work. He has written on everything from [...]
View this complete post...Rooftops to Rivers II
Thursday, November 17th, 2011NATURAL RESOURCES DEFENSE COUNCIL
An estimated 10 trillion gallons a year of untreated stormwater runs off roofs, roads, parking lots, and other paved surfaces, often through the sewage systems, into rivers and waterways that serve as drinking water supplies and flow to our beaches, increasing health risks, degrading ecosystems, and damaging tourist economies. But cities of all sizes are saving money by employing green infrastructure as part of their solutions to stormwater pollution and sewage overflow problems
Infrastructure in the Afternoon
Monday, October 31st, 2011November Public Forums at the Boston Public Library Boston Room, 700 Boylston St., Boston, MA 02116 November 1, 15, 29, 2011, 4:00 – 5:30 PM The Massachusetts Infrastructure Investment Coalition (MIIC) is identifying the long-term needs for infrastructure investments to support economic development and improve the quality of life for the citizens of Massachusetts. The [...]
View this complete post...The Impact of Marcellus Gas Drilling on Rural Drinking Water Supplies
Friday, October 28th, 2011THE CENTER FOR RURAL PENNSYLVANIA
This research looked to provide an unbiased and large- scale study of water quality in private water wells in rural Pennsylvania before and after the drilling of nearby Marcellus Shale gas wells. It also looked to document both the enforcement of existing regulations and the use of voluntary measures by homeowners to protect water supplies.
A Strong EPA Protects Our Health and Promotes Economic Growth
Monday, October 10th, 2011US COMMITTEE ON ENVIRONMENT AND PUBLIC WORKS
Since implementation of the Clean Air Act in the 1970s, followed by the Clean Water Act, the Safe Drinking Water Act, Superfund, and other important environmental laws, America’s gross domestic product (GDP) has risen by 207 percent, and it remains the largest in the world. Complying with the nation’s public health and environmental protection laws has bolstered a $300 billion a year clean technology sector that employs an estimated 1.7 million people.
Water Works: Rebuilding Infrastructure, Creating Jobs, Greening the Environment
Wednesday, October 5th, 2011GREEN FOR ALL
This report estimates the economic and job creation impact of a major investment in water infrastructure in the United States. This number—$188.4 billion—is based on the level of investment necessary, as estimated by the Environmental Protection Agency, to manage stormwater and preserve water quality across the country. We find that an investment of $188.4 billion spread equally over the next five years would generate $265.6 billion in economic activity and create close to 1.9 million jobs.
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