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44 results for "Wastewater management"
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Record #:
34030
Author(s):
Abstract:
Finding an environmentally acceptable way to dispose of wastewater sludge and other wastes generated in North Carolina every year may be the biggest problem facing the state’s municipal and industrial wastewater treatment plant managers today. Managers are considering reusing sludges and composts rather than emphasizing sludge disposal due to increasing environmental costs.
Subject(s):
Record #:
34085
Author(s):
Abstract:
Several studies in North Carolina are exploring the use of wetlands to aid in the removal of nutrients in municipal wastewater. The results of the studies are expected to have important implications for managers who permit discharges from municipal wastewater treatment facilities and package treatment plants.
Record #:
34115
Author(s):
Abstract:
The elimination of federal funding for wastewater and water supply projects has increased the financial burden on state and local governments. North Carolina is searching for the least costly way of providing public water supplies which are critical not only to public health, but also to business and industry. This will require more groups to share the cost of protecting water quality.
Record #:
34148
Author(s):
Abstract:
According to a special report to the Raleigh City Council, the recently enacted state ban on phosphate detergent has improved the phosphate-removal efficiency of the city’s Neuse River Wastewater Treatment Plant and has had an immediate positive impact on water quality in the Neuse River. Additional studies by environmental consultants also show improvements to the phosphate-removal efficiency of wastewater treatment facilities in Greensboro and Durham.
Record #:
34159
Author(s):
Abstract:
On February 6, 1989, the Environmental Protection Agency published a proposal to regulate disposal of wastewater treatment plant sludges. According to Dale Crisp, Assistant Public Utilities Director for the City of Raleigh, the proposal might require a reduction in sludge loading rates, changes in the manner sludge is applied, and changes in cover crops grown or harvested at Raleigh’s Neuse River wastewater treatment plant land application site.
Record #:
34181
Author(s):
Abstract:
Recent revisions to rules governing the kinds and concentration of wastes industries may discharge to publicly owned treatment works are expected to have significant impacts on some industrial users in North Carolina, particularly in the larger metropolitan areas. New regulations will bring more industrial dischargers into pretreatment programs, and prohibit septage dumping into sewer lines.
Record #:
34197
Author(s):
Abstract:
A recent report published by the North Carolina Division of Environmental Management says that the 1987 phosphate detergent ban has achieved an average forty-eight-percent reduction in wastewater treatment plant effluent phosphorus concentrations. These results are based on twenty-three wastewater treatment plants across the state. The ban is preventing phosphorus from being discharged into the rivers of the state.
Record #:
34207
Author(s):
Abstract:
At the fourth of six public hearings on proposed changes to state rules governing non-discharging waste disposal systems, representatives of the swine industry pleaded the need to keep local politics out of animal waste regulation. Strong local opposition to animal industry operations was evident at the hearing. Soil and Water Conservation Districts were urged to consider the issue of environmental equity in regulating animal operations.
Record #:
34211
Author(s):
Abstract:
On July 1, 1992, North Carolina became the first state in the nation to implement a mandatory statewide on-site wastewater treatment system classification and maintenance program. The practice of relying on on-site systems is widespread because of the rural nature of the state. This article discusses the evolution of the maintenance program, and new requirements for sewage disposal and on-site wastewater treatment systems.
Record #:
34260
Author(s):
Abstract:
Many large coastal municipalities in the United States discharge treated wastewater directly into the ocean, but currently, these “ocean outfalls” are not used in North Carolina. Proposals to develop ocean outfalls in North Carolina are considering environmental impacts and other assessments to establish possible sites.
Record #:
34296
Author(s):
Abstract:
In North Carolina, none of the state’s water and wastewater facilities have been assessed for potential impacts of the Year 2000 (Y2K) problem and the possible consequences of remaining unprepared. Because many water and wastewater treatment systems are highly reliant on automated functions controlled by embedded microchips, these systems may not function if there is a computer or electrical failure. The water industry is also worried that consumers will fill water and other containers with water on December 31, creating unusual demand and problems with water pressure.
Record #:
34338
Author(s):
Abstract:
During the period of July 2000 to June 2001, the City of Raleigh reported sixty-six sewer line blockages that resulted in sewage spills of one-thousand gallons or more. More than half of these blockages were caused by the buildup of fats, oils, and greases (FOG) in the sewer line. Although managers have incentive to act in the form of new requirements under the State’s Clean Water Act of 1999, they are having difficulty designing programs that are successful at preventing grease blockages.
Record #:
34354
Author(s):
Abstract:
In North Carolina, where sanitary sewers are separate from sewers that carry stormwater, wastewater treatment capacity has not been a priority issue because only extreme rainfall events might threaten treatment capacity. A proposed Environmental Protection Agency policy would allow wastewater blending of primary and secondary treatments as long as permit limits are met. North Carolina does not currently have a blending policy, but may consider a policy that would recognize varying circumstances statewide.
Record #:
43433
Author(s):
Abstract:
"Communities along the coastal Carolinas are taking steps to ensure homeowners have functioning septic systems and other types of onsite wastewater treatment--as groundwater risks and storms intensify."
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