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Topic: Raw sewage


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In the News (Sat 28 Nov 09)

  
  NRDC: Sewage Pollution Threatens Public Health
Untreated sewage carries a dangerous cargo of infectious bacteria, viruses, parasites and toxic chemicals.
Raw sewage is supposed to be carried to wastewater treatment plants for processing.
Yet our sewage collection systems -- 200 years old in places -- are plagued by broken, leaking or overloaded pipes that allow untreated sewage to be released directly into the environment on a routine basis.
www.nrdc.org /water/pollution/sewage.asp   (830 words)

  
 Sewage Treatment
The goal of sewage treatment systems is to reduce the concentrations of organic pollutants in raw sewage such that the clarified waste can be discharged into natural bodies of water without disrupting the ecosystem.
The sewage is continually circulated through trickle filters housed in "biotowers" or "activated growth units" where redwood slats are stacked and act as substrates for the attachment and growth of layers of aerobic, heterotrophic microorganisms.
The liquid sewage is sprayed over the slats to enhance aerobic conditions, and the organic compounds are broken down as the sewage trickles past the microbes growing on the slats.
www.cas.muohio.edu /~stevenjr/mbi111/sewage111.html   (726 words)

  
 Ocean Planet:perils-raw sewage
Sewage contamination has led to outbreaks of hepatitis A and cholera throughout the world §.
Sewage spills onto a North Sea beach, Hartlepool, England Every day in the early 1990s, 300 million gallons of sewage entered British coastal waters, most of it untreated § §.
Sewage is a major cause of excess nitrogen in American estuaries §.
seawifs.gsfc.nasa.gov /OCEAN_PLANET/HTML/peril_sewage.html   (523 words)

  
 Herlisil in Sewage Applications   (Site not responding. Last check: 2007-10-08)
Sewage odours are of course, not a new problem and many control techniques have been evaluated or utilised to date.
Where sewage is retained in the reticulation system, for sufficient time to deplete all dissolved oxygen, the resultant anaerobic conditions promote the growth of sulphate reducing bacteria, which in turn oxidises sulphate to sulphide.
For this reason each individual sewage system must be evaluated on its own merits, as the most cost effective method of treating the raw sewage will depend on several influencing factors associated with design and hydraulics of the system in question.
www.reach-for-life.com /Herlisil/sewage.htm   (3297 words)

  
 Sewage - Wikipedia, the free encyclopedia
Sewage is the liquid waste produced by humans which typically contains washing water, faeces, urine, laundry waste and other liquid or semi-liquid wastes from households and industry.
Sewage collection and disposal is usually done via a system of sewer pipes (sewers) called sewerage, and sometimes via a cesspool emptier.
Sewage treatment is the process of removing the contaminants from sewage to produce liquid and solid (sludge) suitable for discharge to the environment or for reuse.
en.wikipedia.org /wiki/Sewage   (213 words)

  
 Raw sewage spill was massive, reports say - Roanoke.com
Sewage spills during heavy rains have been a chronic problem ever since, prompting the ongoing multimillion-dollar effort to improve the system.
Norman Auldridge, DEQ deputy regional director in Roanoke, said that although the sewage was diluted by storm water, it is still classified as raw sewage under state and federal regulations.
The sewage spills are caused by storm water overtaxing the sewage system, tree roots breaking aging pipelines, sporadic blockages, and homes' gutters being incorrectly hooked into the public wastewater system.
www.roanoke.com /news/roanoke\12651.html   (937 words)

  
 Raw Human Sewage Pouring Into America's Lakes And Streams
Raw sewage in the water is a primary factor in the sickening of 1 million people a year, according to the Centers for Disease Control and Prevention.
''Raw sewage is a health concern,'' says Mike Cook, director of wastewater management for the Environmental Protection Agency.
Regulators expect to be done this fall crafting proposed regulations requiring all sewage treatment facilities in the country to improve their systems and notify the community where overflows occur.
www.rense.com /general28/raw.htm   (1440 words)

  
 NRDC: Swimming in Sewage - Executive Summary
These raw sewage overflows, occurring primarily during wet weather, spill into our recreational and drinking water, into groundwater, and directly onto private property, often in the form of basement backups.
Enforce current sewage treatment plant requirements instead of allowing wet weather discharges of inadequately treated sewage: Sanitary sewer overflows are illegal, yet the EPA estimates that the number of these overflows is growing.
Sewage authorities, local governments, and states with the highest number and volume of overflows nationally or regionally would likely be spurred to action to get out of the public spotlight.
www.nrdc.org /water/pollution/sewage/execsum.asp   (1538 words)

  
 Dumped sewage risks health - 01/30/05   (Site not responding. Last check: 2007-10-08)
Last week, for example, an undisclosed amount of raw sewage was released into a branch of the Rouge River in Waterford when a pump operated by the Oakland County Drain Commissioner malfunctioned.
Rose said proving someone gets sick from raw sewage in the water is hard, but she notes there are many documented cases across Metro Detroit of waterborne illness.
Although billions of gallons of raw sewage are being dumped into local rivers and creeks, upgrades being made to the existing sewage lines and treatment plants are having a positive impact on aquatic wildlife.
www.detnews.com /2005/metro/0501/30/A01-74408.htm   (1540 words)

  
 Raw Sewage
Raw sewage is dumped into the Euphrates River at Nasiriyah in southern Iraq.
harvested from water polluted by raw sewage, is eaten raw.
Distribution of ribonucleic acid coliphages in raw sewage from...
www.mongabay.com /reference/environment/Raw_Sewage.html   (450 words)

  
 Raw sewage spills into Ala Wai Canal - The Honolulu Advertiser - Hawaii's Newspaper
City crews spilled about 800 gallons of raw sewage into the Ala Wai Canal yesterday while switching on a bypass conduit designed to carry wastewater through a pipe sunk in the canal to the treatment plant.
Even a small release of untreated sewage is a reminder of the 48 million gallons of sewage pumped into the canal last March and the problems that still loom with Honolulu's aging sewer system.
While crews are working to repair the broken line, diesel-powered pumps will force the raw sewage into the temporary pipe to avoid the cracked pipe and the pump station.
the.honoluluadvertiser.com /article/2006/Nov/22/ln/FP611220369.html   (743 words)

  
 CDNN :: Raw Sewage Killing Coral Reefs Around Virgin Islands
Coral reefs are far more likely to develop disease and die when exposed to bacteria and nutrients in raw sewage than coral in unpolluted areas, according to a study published last month in the Puerto Rico-based Caribbean Journal of Science.
In the St. Croix town of Frederiksted, where untreated sewage was regularly released during the study that started in 2001, nearly 30 percent of coral was infected with two main coral diseases -- fl-band and white plague, which can kill a foot-long (0.3-meter) coral colony in a week.
Only about 10 percent of sewage in the Caribbean and Central America is treated before being discharged into the sea, according to the scientists.
www.cdnn.info /news/eco/e050528.html   (454 words)

  
 EPA Backs Off on Allowing More Raw Sewage to be Dumped in America's Waterways
Proponents defend the proposal on the grounds that the blended sewage must still meet federal and state discharge standards and that fully treating wastewater during peak flows is too costly.
Upgrading sewage treatment plants to handle peak flows is one alternative that could please both sides, but the cost is a major concern.
Congressman Frank Pallone, a New Jersey Democrat who co-sponsored the amendment and a companion bill "Save Our Waters from Sewage Act," said in a floor statement that passing the amendment was essential to ensure that the EPA does not propose a similar policy in the future.
www.organicconsumers.org /Politics/sewage052005.cfm   (858 words)

  
 Raw sewage spill largest in 20 years - The Honolulu Advertiser - Hawaii's Newspaper
The 48 million gallons of raw sewage pumped into the Ala Wai Canal this week marked the largest release of untreated wastewater into Honolulu waters in at least two decades.
Mayor Mufi Hannemann has said he was forced to allow the raw sewage to go into the Ala Wai after the sewer line ruptured because the only other option would have been wastewater backup into Waikiki homes and hotels and other businesses, which would pose a much worse public health threat.
An estimated 10,000 gallons of raw sewage spilled between 1:35 and 4 p.m.
the.honoluluadvertiser.com /article/2006/Apr/01/ln/FP604010334.html   (734 words)

  
 U.N.: Seas can't absorb runoff, raw sewage - World Environment - MSNBC.com
Raw sewage releases can lead to fish kills like this one in 1997 in St. Croix, U.S. Virgin Islands.
THE HAGUE - Untreated sewage pouring into the world's seas and oceans is polluting their water and coastlines and endangering the health and welfare of the people and animals that inhabit them, according to a U.N. report released Wednesday.
In many developing countries, between 80 and nearly 90 percent of sewage entering the coastal zones is estimated to be raw and untreated, the report stated.
www.msnbc.msn.com /id/15118081   (867 words)

  
 Canada Flushes Raw Sewage into the Ocean
Canada flushes some 200 billion liters of raw sewage directly into natural waterways every year, from the St. Lawrence River to the Strait of Juan de Fuca and the Pacific Ocean.
The sewage is a mixture of water, human waste, microorganisms, toxic chemicals, heavy metals, excreted pharmaceuticals and, potentially, pathogens such as cholera, typhoid and hepatitis B. It is widely recognized that inadequate or no waste water treatment has negative impact on aquatic life, human uses of water, fisheries and human health.
Not only does Victoria pump its raw sewage directly into the Strait of Juan de Fuca, an arm of the Pacific Ocean, but city officials also claim they are doing the “right and responsible thing” for their community and the environment.
www.finewaterimports.com /water.imports/articles/177/index.html   (323 words)

  
 Pasco: As raw sewage leaked, utility fumbled
The sewage, it turned out, was coming from the county utility lines, which had sprung a leak.
A large crack in a county pipe in the neighborhood had released 21.2-million gallons of raw sewage - twice the amount of oil spilled during the Exxon Valdez disaster in Alaska in 1989.
The sewage might have been diverted to another plant, a lift station powering the flow through the utility's web of pipes was down, or there was a leak.
www.sptimes.com /2005/11/27/Pasco/As_raw_sewage_leaked_.shtml   (1377 words)

  
 Milwaukee Dumps Raw Sewage In Lake Michigan for 19 Hours (WI)
The Milwaukee metropolitan sewer system dumped raw sewage for 19 hours from Tuesday afternoon until early Wednesday, in addition to the 13 hours of dumping late Monday and early Tuesday, a district spokesman said.
That wastewater skipped at least one major stage of treatment, although all of the 75 million gallons was at least disinfected with chlorine and mixed with fully treated effluent before being discharged.
Sewage dumping from local sewer lines also was reported by three municipalities this week: Milwaukee, Wauwatosa and West Allis, said Jim Fratrick, a Department of Natural Resources watershed expert.
www.greatlakesdirectory.org /wi/081502_sewage.htm   (613 words)

  
 Sierra Club Sues City Of Columbus Over Illegal Raw Sewage Discharges
The City has also documented raw sewage backups on public and private property, which are violations of its federal NPDES permits and federal regulations under the Clean Water Act..
Exposure to raw sewage can be more severe for children, the elderly, and those with weakened immune systems.
Raw sewage may contain metals, synthetic chemicals, pesticides, and oils, which also can be detrimental to the health of humans and wildlife.
ohio.sierraclub.org /central/SewerNewsRelease.asp   (839 words)

  
 ACTION ALERT: Stop Raw Sewage From Entering Waters
As the swimming season  moves forward, Americans are faced with the dilemma of swimming in raw  sewage in far too many beaches.
As the temperature heats up children  playing in playgrounds and in their neighborhoods are still exposed to  raw sewage discharges.
Sewage in the water can do more than disrupt the fishing or spoil a day  at the beach.
www.greatlakesdirectory.org /zarticles/071002_sewage.htm   (825 words)

  
 Raw sewage floods River Thames - World - www.smh.com.au
The Environment Agency said 600,000 tonnes of untreated sewage overflowed into the river as London's Victorian-era sewers were overwhelmed by torrential rains that brought chaos to parts of the city on Tuesday night.
The agency said the discharge had killed thousands of fish in the Thames which was declared dead due to pollution in the 1960s but is now reputedly the cleanest urban river in Europe.
But environmentalists have long complained that the city's ageing sewer system - which carries both foul sewage and excess rainfall - is in disrepair, outdated and increasingly unable to cope with both the rising population and climate change.
www.smh.com.au /articles/2004/08/05/1091558001227.html?from=storylhs   (337 words)

  
 Chattahoochee River National Recreation Area - Raw Sewage Spills at Paces Mill and Vickery Creek 3/6/03 (U.S. National ...
Raw Sewage Spills at Paces Mill and Vickery Creek 3/6/03
The Chattahoochee River National Recreation Area has closed the Paces Mill and Vickery Creek areas of the park due to raw sewage spills.
The sewer lines near the river have been overloaded due to heavy rains causing overflow of raw sewage into the Chattahoochee River and the surrounding parklands.
www.nps.gov /chat/parknews/rawsewagepacesmill.htm   (191 words)

  
 Raw Sewage, Runoff Cited For Fouling Of Anacostia (washingtonpost.com)
Raw Sewage, Runoff Cited For Fouling Of Anacostia (washingtonpost.com)
The Anacostia River, which could be the backdrop for two D.C. stadiums and a redeveloped waterfront, remains in wretched shape because of runoff from sewage pipes and urban streets, according to a report issued yesterday.
One of the main problems the report highlights is the District's antiquated sewage system, which dumps raw waste into the Anacostia during heavy rainstorms, totaling about 80 times a year.
www.washingtonpost.com /wp-dyn/articles/A16901-2004Nov1.html   (768 words)

  
 KOMO-TV - Seattle, Washington - News Archive - Victoria Ordered To Stop Raw Sewage Dumping
The order came Friday, a few days after an independent scientific report commissioned by the area's municipalities concluded dumping raw sewage into the ocean is no longer a long-term option.
Last March, federal Environment Minister Rona Ambrose said municipalities that dump raw sewage in the ocean are placing public health at risk.
But Vancouver Island's chief medical health officer said last November that a secondary treatment plant for raw sewage would not produce a measurable benefit to the health of Victoria area residents.
www.komotv.com /stories/44543.htm   (524 words)

  
 KUSI NEWS - Health - Raw Sewage From Mexico Posing Beach Health Hazards
While government officials are fixated on stemming the flow of illegal immigrants coming across the border, raw sewage continues to flow freely, making San Diegans sick and shutting down our beaches.
The problem is that Tijuana is growing rapidly, especially at the border's edge, but they do not have a sewage collection system.
That's about 25 million gallons of raw sewage that flows into the estuary and the TJ river every day.
www.kusi.com /health/3466396.html   (223 words)

  
 Schererville, Indiana - Wastewater Treatment Plant - Raw Sewage Pumping Station
Throughout the town, because there are literally hundreds of miles of sanitary sewers, pumping stations are sometimes required to lift the sewage so that it can continue to flow by gravity.
The large sewage pumps then pump the flow from approximately 26 feet below ground to a height of 25 to 30 feet above ground, to the top of our flow tower.
From there, the sewage can flow by gravity to the remainder of the facility.
www.ci.schererville.in.us /wastewater/rawsewage.html   (209 words)

  
 RAW SEWAGE FLOW MEASUREMENTS
A large national sewage company’s consultant contacted EESIFLO for the measurement of RAW sewage pipes using clamp on transit time flowmeters.
Although able to measure the flow in the large pipe, he noticed that at this time the signal strength was exceptionally weak and so he waited for several hours to see what would happen during higher flow rates at times when more sewage was being discharged or when it was raining.
During the lunch hours, the signal was lost completely and it was evident that the pipe contained large amounts of suspended solids with air bubbles trapped in the solids moving through the conduit..
www.eesiflo.com /raw_sewage_flowmeter.html   (535 words)

  
 Raw Untreated Sewage, Inc. - "For all of your sewage needs"
We offer raw, untreated sewage in a wide range of sizes, from our new Porta-Pak all the way up to the railroad hopper car Jumbo-Pak.
This new service for the electronic age is one that is sure to make Raw Untreated Sewage a household name.
Raw Untreated Sewage, Inc. was founded in 1978 with one employee, no customers, and a vision.
www.lampoonery.com /sewage.htm   (699 words)

  
 The Derrick   (Site not responding. Last check: 2007-10-08)
Private drinking well owners in Venango County who were affected by Tuesday's flooding were advised to boil water, while a raw sewage spill in Franklin caused pollution concerns farther south.
The Pennsylvania Department of Environmental Protection said a washout close to Franklin's sewage treatment plant was responsible for untold gallons of sewage that made its way to the Allegheny River.
She said Franklin municipal workers were developing a "plan to divert the new sewage into a structure near the plant that they're going to try to convert into a real fundamental, primary treatment system.
www.thederrick.com /stories/08302006-3110.shtml   (596 words)

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