Groundwater Recovery Program for Southern California
Under its new Groundwater Recovery Program (GRP), The Metropolitan Water District of Southern California will improve regional water supply reliability by providing financial assistance...
Feasibility of Water Supply for City of Houston Subsidence Zones Five and Six
The purpose of this paper is to evaluate the feasibility of providing surface water to the Harris Galveston Coastal Subsidence District (HGCSD) Zones Five and Six (located in North Houston...
Coupled Water-Wastewater Management Issues
The concept of coupled alternatives is an emerging engineering issue in master planning for water resources management. Coupled alternatives involve the concurrent evaluation of water...
Determining Causes for Taste and Odor in Bandar Abbas's Drinking Water
In the south of Iran on the shore of Persian Gulf, Bandar Abbas has a population of over 450,000. The means annual rainfall of Bandar Abbas is less than 205 millimeters of precipitation...
The Total System Solution
Most pipeline reconstruction programs carried out to date have been crisis driven or reactive instead of system wide approaches to problem solving. Two tools have been devised to change...
When Sewer Rehab Doesn't Stop Basement Flooding
The western half of Wilmette, Illinois, is served by separate sanitary sewers. Constructed in the late 1920's, this separate sewer system was among the first installed in northeastern...
CSO Rehabilitation Strategies for Urban Areas
The USEPA national strategy for reduction of combined sewer overflows places high priority on maximizing the amount of combined wastewater that is captured and treated in the existing...
Urban Infrastructure: Our Crumbling POTW's
There is a need to address the problem of deferred maintenance at public owned treatment works. While specific data regarding the nations deferred maintenance bill is not available, we...
Funding of Wastewater Reuse Systems Under the Federal Small Reclamation Projects Act
The Small Reclamation Projects Act (SRPA) and its amendments were enacted to encourage State and local participation with the Federal government in water resources development. A key element...
A Review of Current UK Techniques for Rehabilitating Water Mains
This paper describes the main techniques used in the UK Water Industry to rehabilitate water mains, highlighting their advantages and disadvantages....
Statistical Analysis of Wastewater Flow Reduction
Changes in urban water use patterns can significantly impact wastewater flow characteristics. With the increased emphasis on water conservation programs, understanding these impacts is...
Efficient Sizing of Storm Water Treatment Ponds
An anticipated result of the NPDES storm water program will be the proliferation of regional storm water ponds that capture and treat urban land surface runoff, thereby improving the quality...
Expert System for Operating A Treated Water Supply System
This paper presents a systematic approach to the development of an expert system to operate a treated water supply system for meeting daily water requirements. A treated water supply system...
Water Quality and Hydrologic Characteristics of a Wet Detention Pond
A small wet detention pond was instrumented to determine treatment efficiencies. Annual loads showed a reduction from the inflow to the outflow for ammonia as nitrogen (39%), organic nitrogen...
Design of Municipal Wastewater Treatment Plants
This manual,
Reuse Rules
Cities that discharge sewage effluent to surface water are under increasing pressure to reduce concentrations of heavy metals, ammonium and nitrate, and substances such as toxic organic...
From Sludge to Brokered Biosolids
At the end of June, a sludge filled barge pulled away from New York harbor for the last time. It traveled more than 100 mi offshore, where workers unloaded some of the 355 dry tons of...
Overhead and Profit on Change Orders
Have you ever wondered how many change orders it took to build the Egyptian pyramids or the Great Wall of China? The concepts of overhead, profit, and change orders have been around for...
Turning on the Waterworks
A new tunnel, two pumping stations, reservoirs and 150 mi of pipe have 23 municipalities in DuPage County, Illinois awash in Lake Michigan water, ahead of schedule and under budget. Bringing...
Dual-System Cleanup
Engineers designing a ground water treatment system for a manufacturing plant in northern California, found that two systems are better�and cheaper�than one. Most of the ground water at...
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