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Archive for the ‘Drinking Water’ Category

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Twin Cities, MN: Water Sustainability in the Northeast Metro Area

Thursday, January 1st, 2015
Figure 1. Saint Paul Supply System Schematic

METROPOLITAN COUNCIL
The primary objective of this study is to understand the relative costs and implementation considerations of different approaches to water sustainability. The northeast metro provides a study area for this evaluation. The Minnesota Legislature requested this part of the metro area to be studied specifically, given the continued concern over lake levels and the interaction of groundwater and lakes in the area, especially White Bear Lake. The study area includes 13 communities. The results will be incorporated in the Twin Cities Metropolitan Area Master Water Supply Plan. The study will be referenced to support future planning of metro area water supplies and water sustainability practices.

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The Impacts of EPA’s Clean Power Plan on Electricity Generation and Water Use in Texas

Tuesday, December 9th, 2014
Figure 3. Baseline power generation fuel mix, where coal is gradually replaced by gas and wind power (Units = GWh/yr)

CNA CORPORATION
To determine how Texas could be affected by the U.S. Environmental Protection Agency’s (EPA’s) Clean Power Plan (CPP), we applied CNA’s Electricity-Water-Climate power sector model to evaluate the potential impacts. We find that under the CPP, the state will save water and reduce levels of conventional air pollutants. In addition, the state will be able to meet the policy’s targets with modest incremental effort even though electricity demand is expected to increase by 25 percent.

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Interactive Map: Visualizing Urban Watersheds

Friday, November 21st, 2014
Los Angeles Freshwater Sources

Want to learn more about water’s journey to reach your tap? Check out The Nature Conservancy’s massively informative Urban Water Blueprint.

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Posted in Drinking Water, The Infra Blog, Water Treatment

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Video: Flood Resilience Guide

Thursday, September 11th, 2014

Drinking water and wastewater utilities are vulnerable to damage and service disruptions from flooding. This overview video helps small and medium utilities to become more resilient to flooding. Told from the perspective of a small drinking water utility, the video introduces a 4 step approach with easy-to-use worksheets with corresponding videos. The utility is provided with the tools to examine the threat of flooding, determine impacts to utility assets, identify cost-effective mitigation options, and plan to implement such options.

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Posted in Climate Change, Drinking Water, Inland Waterways, National, Show Us Your Infra, Wastewater

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EPA Program to Protect Underground Drinking Water Needs Improvement

Wednesday, August 6th, 2014
Figure 1: Injection Wells for Enhanced Production and Wastewater Disposal

UNITED STATES GOVERNMENT ACCOUNTABILITY OFFICE
Every day in the United States, at least 2 billion gallons of fluids are injected into over 172,000 wells to enhance oil and gas production, or to dispose of fluids brought to the surface during the extraction of oil and gas resources. These wells are subject to regulation to protect drinking water sources under EPA’s UIC class II program and approved state class II programs. Because much of the population relies on underground sources for drinking water, these wells have raised concerns about the safety of the nation’s drinking water.

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Water & Climate Risks Facing U.S. Corn Production

Thursday, July 17th, 2014
Competition for Water in Areas of Irrigated Corn Production

CERES
U.S. corn farmers are among the most productive and technologically advanced in the world, generating a record harvest of nearly 14 billion bushels in 2013—enough corn to fill a freight train longer than the circumference of the Earth. This production supports a mammoth agricultural sector comprised not just of farmers, but also major food, feed and energy companies that have an enormous stake in the long-term productivity and resilience of American agriculture. However, in the face of this bounty, three major threats to U.S. corn production loom: climate change, unsustainable water use and inefficient and damaging fertilizer practices.

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The Untapped Potential of California’s Water Supply

Monday, June 30th, 2014
Figure 2. Total water supply and demand changes with four drought response strategies, in thousand acre-feet per year, by hydrologic region

PACIFIC INSTITUTE
NATURAL RESOURCES DEFENSE COUNCIL

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The Water-Energy Nexus: Challenges and Opportunities

Tuesday, June 24th, 2014
Figure ES.1. Hybrid Sankey diagram of 2011 U.S. interconnected water and energy flows.

UNITED STATES DEPARTMENT OF ENERGY
Present day water and energy systems are tightly intertwined. Water is used in all phases of energy production and electricity generation. Energy is required to extract, convey, and deliver water of appropriate quality for diverse human uses, and then again to treat wastewaters prior to their return to the environment. Historically, interactions between energy and water have been considered on a regional or technology-by-technology basis. At the national and international levels, energy and water systems have been developed, managed, and regulated independently.

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From Invisible to Invaluable: Panel Discussion on Water Infrastructure

Monday, June 16th, 2014

The Value of Water Coalition hosted an in-depth conversation at the Newseum in Washington DC on the current condition of water infrastructure in the United States, the consequences of letting these failing systems worsen, and solutions to meeting the water challenges of today and tomorrow.

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Freshwater: Supply Concerns Continue, and Uncertainties Complicate Planning

Thursday, May 29th, 2014
Extent of State Shortages Likely over the Next Decade under Average Water Conditions, 2013

GOVERNMENT ACCOUNTABILITY OFFICE
The nation’s water bodies have long supplied Americans with abundant freshwater, but recent events, such as the ongoing California drought, have focused attention on competing demands for this limited resource. In the United States, the states are primarily responsible for managing freshwater resources, and many federal agencies influence states’ management decisions. In 2003, GAO issued a report providing an overview of trends in freshwater availability and use, as well as states’ views on ways the federal government could assist states to help meet future water management challenges.

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