Beach Town Cleanup
The Avila Beach remediation project in California required the demolition of numerous structures and part of the beach in order to remove more than 200,000 cu yd (153,000 m�) of contaminated...
Equalizing Wet Weather Flows
Sanitary sewer overflows and combined sewer overflows can wreak havoc on communities by flooding basements, contaminating drinking water sources and recreational water bodies, and flowing...
Back from the Brink
The Cape Hatteras Lighthouse, the tallest brick lighthouse in the United States, has been moved to prevent it from toppling into the sea as a result of coastal erosion. Engineers from...
Safe Passage
Past studies have indicated that the existing juvenile fish bypass system at the second powerhouse located at the Corps of Engineers' Bonneville Dam on the Columbia River...
Out of Sight, Out of Time
A 10-year grace period for complying with an EPA regulation mandating that all underground storage tanks have spill, overfill and corrosion protection runs out on December 22, 1998. Hundreds...
Getting the GISt of Costs
Over the past five years, geographic information systems (GIS) have become powerful graphical database tools, useful to everyone from city planners to departments of transportation, from...
Evaluation Findings for Earthquake Protection Systems, Inc. Friction Pendulum Bearings
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Service Center. This report summarizes the results of a detailed evaluation...
Calendar: Bridges 1999 Calendar
Featured bridges are: Cornish-Windsor Covered Bridge (NH); John A. Roebling Bridge (KY); Bollman Truss Bridge (MD); Eads Bridge (MO); Brooklyn Bridge (NY); Manhattan Bridge (NY); High...
Preserving Williamsburg's Cables
The main-cable preservation project of New York's Williamsburg Bridge has to protect the cable system for at least 100 years. After extensive field tests, engineers devised...
The South Bay Ocean Outfall
For more than 60 years, raw sewage has flowed down the hills of Tijuana, Mexico into the Tijuana River, crossing the U.S.-Mexican border. The sewage contaminates the low-lying river valley...
US/Mexico Border Drinking Water Study
This report is an outgrowth of a more detailed report, written as part of an Environmental Protection Agency (EPA) study. This report represents my views, and does not necessarily represent...
Combined Flood Hazard Mitigation Techniques for Comprehensive Planning? The Saugus River Coastal Flood Risk Reduction Plan
The development of an alternative Coastal Flood Risic Reduction Plan for the Saugus River was initiated by the Executive Office of Environinental Affairs (EOEA) of Massachusetts in April...
Comparison of General vs. Multi Sector NPDES Storm Water Permits
In November 1990, in response to the 1987 amendments to the Clean Water Act, the EPA initiated the National Pollutant Discharge Elimination System (NPDES) storm water permitting program....
Two-Dimensional Modeling of River Dynamics for the Expansion of Clover Island, Kennewick, Washington
The Port of Kennewick, Washington, is proposing to redevelop Clover Island as a waterfront village concept. The island is located in the Columbia River between McNary and Priest Rapids...
Mitigation Measures for Eroding Muddy Shores
A criterion for the stability of muddy coasts is proposed, accounting for bottom resistance, hydrodynarnic forcing and sediment supply. Although qualitative, this criterion provides a...
The Use of an Equivalent Porosity Method to Model Flow in Marshes
Two dimensional modeling of marshes under unsteady flow conditions often involves description of sections that alternately wet and dry. The equivalent porosity method (King and Roig, 1988;...
Let the Buyer (and Seller) Beware
A merger or acquisition shouldn't be a gamble, but many firms depend too much on good luck and good will. For long-term success, the best bet is a checklist for professional...
For Sure Shores
Fighting a long history of beach-destroying structures and man-made inlets, coastal engineers are finding that the answer to beach erosion lies in a deeper understanding of its dynamic...
Partnering with the Enemy
When you think of EPA and a major corporation, you probably envision them squaring off in court over a Superfund site. But these days representatives from the two groups are just as likely...
Out of Control?
Once heroes in a popular battle against villainous despoilers of Mother Earth, to a growing chorus of observers environmental groups, EPA and other regulatory agencies have begun to look...
Return to search