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Articles by DC Water
DC Water Completes Bypass for Emergency Sewer Repairs At Pennyfield Lock
DC Water Completes Bypass for Emergency Sewer Repairs At Pennyfield Lock There is no active spill or overflow. Work to strengthen the pipe to begin soon. Today, DC Water completed construction on a temporary bypass system for sewer repairs near Pennyfield Lock in Potomac, Maryland. Crews turned on the pumps and successfully tested the system. With the bypass now ready, it will allow us to begin the emergency repairs inside the pipe by carrying the wastewater around the repair area.
DC Water Advancing Work on Bypass to Contain Sewer Overflow
Partial Bypass Expected to Begin as Early as This Weekend DC Water and its contractor continue to make progress to contain the sewer overflow from a collapsed section of the Potomac Interceptor (PI), a major sewer line along Clara Barton Parkway near 495 in Montgomery County, MD. As part of that work, crews today are mobilizing equipment, clearing brush and debris, and installing pipes in preparation to bypass the flow around the damaged section of sewer line.
DC Water Launches Boring Machine to Build Underground Potomac River Tunnel Project
DC Water launches "Mary" tunnel boring machine for Potomac River Tunnel project, part of Clean Rivers Program. Mayor Bowser leads ceremony, marking start of tunneling to divert sewage overflow. Project aims to improve water quality and reduce environmental impact in DC. A major milestone was celebrated in the DC Water and Sewer Authority's Potomac River Tunnel project on Nov.
DC Water completes major repairs on century old sewer tunnel
Following a nearly year-long construction effort, DC Water has completed repairs on a nine foot diameter, 140-year old sewer tunnel on 22nd Street Northwest. Construction was done in two phases, with the second phase completed one month ahead of schedule and under budget. The work zone in the area of 22nd and Q streets is being demobilized. All northbound lanes are now open, and southbound lanes will be reopened later today prior to the evening rush hour.
AtkinsRéalis Joint Venture Gets US$43M Contract By DC Water
MONTREAL — AtkinsRéalis Group announces that Water Smart Alliance (WSA), a joint venture (JV) with Stantec, has been awarded a Water Program Management contract by the District of Columbia Water and Sewer Authority (DC Water). “AtkinsRéalis has been designing and building water infrastructure around the world for more than a century,” said Ian L. Edwards, president and CEO of AtkinsRéalis.
Socially vulnerable people and stormwater infrastructure: A geospatial exploration of the equitable distribution of gray and green infrastructure in Washington D.C.
Green infrastructure (GI) has been steadily gaining recognition and popularity due to its multifaceted advantages in tackling the challenges posed by climate change. GI comprises various elements, including permeable pavements, green roofs, and urban forests, which function as highly effective tools for stormwater management and play a pivotal role in climate change mitigation.
Data Driven Maintenance Strategy
IMC Presentation (44:42) by Victor Edozie and Gregory Stephens, DC Water DC Water’s upgrade to Class A biosolids treatment, included four live bottom cake bins, each with four screw conveyors, installed with grease purged seals. Unfortunately, the seals were an incompatible material, causing seal failures that led to shaft abrasion and severe sludge leaks. TAKEAWAY: Attendees to see the importance of including front line workers in every phase of maintenance.
DC Water receives 1st 100% biodiesel vehicle from EPA’s Diesel Emissions Reduction Act program grant
DC Water announced June 21 that it has received its first of 12 B100 vehicles from the Diesel Emissions Reduction Act program grant that will replace 13 existing diesel vehicles. The Greater Washington Region Clean Cities Coalition and DC Water secured the funds from U.S. EPA’s DERA program in 2021 to purchase 12 trucks equipped with Optimus Technologies’ 100 percent biodiesel (B100) advanced fuel-system technology. A combo vac unit was deployed with DC Water May 18.
Implementation And Use Of Infrared Thermography at Blue Plains Advanced Waste Water Treatment
Implementation and Use of Infrared Thermography at Blue Plains Advanced Waste Water Treatment Facility, Washington DC. DC Water treats wastewater from the District of Columbia, Maryland and Virginia at the largest treatment plant of its kind in the world.
Taming the Process Butterfly Valves
Leaking butterfly valves were preventing proper function of effluent filters at DC Water’s 380-MGD Blue Plains AWTP. The valves were assessed and prioritized for systematic replacement by a dedicated team to increase system reliability and extend the life of the system’s process capabilities.
Impact of carbon source and COD/N on the concurrent operation of partial denitrification and anammox
Abstract In this study, concurrent operation of anammox and partial denitrification within a nonacclimated mixed culture system was proposed. The impact of carbon sources (acetate, glycerol, methanol, and ethanol) and COD/NO3−‐N ratio on partial denitrification selection under both short‐ and long‐term operations was investigated. Results from short‐term testing showed that all carbon sources supported partial denitrification.
PoPville " “my friend was pulled into an alleyway at the corner of Sherman Ave. and Irving St. NW by two male assailants, who covered her mouth and threatened to stab her if she did not keep quiet”
“Dear PoPville, in light of today’s post regarding the assault of the dog walker, I wanted to share what happened to my friend earlier this week, as they might be related. Around 11 a.m. on Wednesday 1/16, while walking in Columbia Heights, my friend was pulled into an alleyway at the corner of Sherman Ave. and Irving St. NW by two male assailants, who covered her mouth and threatened to stab her if she did not keep quiet.
Worldwide success of Tyrolean wastewater treatment technology
The DEMON®-system was developed and patented by the University of Innsbruck 11 years ago. Today this successful technology has been implemented in about 70 wastewater treatments plants around the world. A new partnership has now been formed between the environmental engineers in Innsbruck and the US-utility company DC Water for jointly refining and marketing the technology.
The Best Endorsement - Council Member Nadeau Doesn’t Like PoPville “discredits blog as not factual”
reader submitted photo after a shooting homicide in Ward 1 back in September Thanks to a reader for recording and passing on: Attached is an audio recording of the Safety Meeting held by Brianne Nadeau this past Tuesday. At the 57:16 mark, she discredits your blog as not factual and promotes Borderstan. I feel that both blogs represent the community well. What the majority of people took away from this meeting is “it is what it is and you should get used to it” and “I’m working on it”.
Small Steps to Big Goals
When I learned I had been selected by GOVERNING Magazine as one of their 2014 Public Officials of the Year, I was pleased beyond words for the reasons most would guess, and one most would not. The reaction that is expected, although not any less special, is to feel humble and grateful that I am receiving recognition for work that has taken great effort by the superb team at DC Water. Our world-class public servants make me look good every day.
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