Impacts of CSO Swirl Concentrator on Dissolved Oxygen Concentrations in the Anacostia River
Purpose: To assess impacts of the CSO control, two continuous monitoring stations were located upstream and downstream from the CSO outfall. The monitors recorded dissolved oxygen (DO),...

Evaluation of Two-Species Model for Chlorine Decay and THM Formation under Rechlorination Conditions
(No paper) Typically, chlorine decay has been described by a first-order decay model. The first-order model, however, has two drawbacks: 1) the reactive species within the water is assumed...

The Tres Rios River Management Plan: The Result of Multi-Agency Partnering for Management and Restoration at the Confluence of the Salt, Gila and Aqua Fria Rivers
(No paper) The framework consists of a an Oversight Committee made up of Agency Department Heads, a Steering Committee comprised of local area Agency managers, and five Technical Committees:...

The Emergence of Spill Prevention Concerns for Water Resources
In Regions where water pollution control programs have succeeded in cleaning up our waters, spills from fixed installations and vessels, trucks and trains continue to represent a very...

Sheetflow Water Quality Monitoring Device: Results of Nine Month Field Testing
(No paper) The objective of this 30 month research project was to develop a sheetflow sampler for sampling highway runoff. The specific goals of this Small Business Innovation Research...

The City of Tempe, Arizona, Rio Salado Town Lake Groundwater Management Plan
(No paper) The City of Tempe's Rio Salado Project is a mixed-use economic development project located in the Salt River channel between McClintock Drive and Priest Drive in the City of...

Rising Water and Nitrate Levels within an Alluvial Aquifer near Phoenix, Arizona
(No paper) An analysis of water level data from more than a hundred water supply wells show that water levels have been rising at a considerable rate since 1980 in some portions of the...

Progress and Future Direction to Improve Arizona's Reclaimed Wastewater Reuse Program
(No paper) The Arizona Department of Environmental Quality (ADEQ) is undertaking a major revision of its reclaimed wastewater reuse program in response to recommendations made by a citizens...

Reclaimed Wastewater Reuse in Arizona: Status and Vision for the 21st Century
(No paper) The Arizona Department of Environmental Quality (ADEQ) regulates the reuse of reclaimed wastewater through the issuance of individual reuse permits to treatment plants and/or...

Salinity Trends in the Amistad Reservoir of the Rio Grande
(No paper) The Rio Grande River is a vital resource to the hundreds of thousands of inhabitants of the Texas-Mexico border. Different sections of the river are experiencing trends of increasing...

Evaluating Alternatives for Capacity Expansion: Ensuring Reliable Water for the Portland, Oregon, Area
(No paper) The Portland Water Bureau is currently evaluating its water supply expansion alternatives. Like many water bureaus responsible for supplying water to both in-city customers...

Water Quality in the Sierra Vista Subbasin, Southeastern Arizona: A Baseline for the Future
As part of the U.S. Geological Survey's (USGS) National Water-Quality Assessment program, water-quality studies were completed in the Sierra Vista subbasin in southeastern Arizona during...

Ground-Water Quality in Basins with Minimal Urban Development, Arizona
Ground-water quality data (191796) from 2,013 wells in 16 alluvial basins that have minimal urban development, were used to determine the effect of nonurban factors on ground-water quality...

Comparison of Complete Modeling/Simplified Modeling of Zaragoza City Water Supply Network
(No paper) Zaragoza is a Spanish city with 600.000 inhabitants and a water supply network of 900km long. The Council technical services uses a Microstation based GIS, GRED, for network...

Diurnal Variation in Dissolved Oxygen Measurements During Late Winter Ice-Covered Period in Sleeper's River, Vermont

Low-Cost Ice Control Structures for Small Rivers

Sustaining Urban Water Resources in the 21st Century
This proceedings, Sustaining Urban Water Resources in the 21st Century, contains papers presented at the 1997 Engineering Foundation Conference...

Quality Assurance/Quality Control in the Constructed Project

Quality and Construction Inspection— Heavy Civil Industry: Dams and Waterways

Who Provides Inspection
With the increasing interest in the design-build project deliver system, the decision of who should be responsible for quality assurance/quality control has become a complex one. To assist...

 

 

 

 

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