WEF Discussions — Now on LinkedIn!

WEF is pleased to announce the creation of free LinkedIn groups associated with its technical discussion forum topics. Through these LinkedIn groups, members will be able to view and participate in discussions, as well as communicate with one another via direct messages. Share your experiences and knowledge, ask questions and respond to other discussions as frequently as you like!

You must have a LinkedIn profile to join a LinkedIn group; you can create your profile here. If you already have a LinkedIn profile, all you need to do is submit a request to join one or all of the following groups:

Water Environment Federation (Main) | Biosolids | Collection Systems | Nutrients | Stormwater 
Utility Management | Water Reuse | Water for Jobs | Watershed Management | Laboratory Practices 

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Operation and Maintenance
  Topics Topic Starter Replies Views Last Post
Seasonal MLSS adjustment Joseph McDowell 2 14793 Sunday, April 11, 2010 2:01 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 12442 Sunday, July 25, 2010 9:08 PM 
disinfection with paracetic acid mgille 8 12248 Tuesday, July 6, 2010 10:33 AM 
Quaternary Ammonium Compounds David Allen 3 12025 Monday, July 11, 2011 3:05 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 11744 Sunday, April 3, 2011 6:07 AM 
aerobic digester-very high solids-odor problem jim 4 11675 Sunday, May 16, 2010 5:13 PM 
Operators Meeting in WI Terry 0 11434 Friday, January 8, 2010 12:20 PM 
Digester Gas Piping GB Gehrke 6 11089 Wednesday, November 23, 2011 7:45 AM 
Chlorine survival in activated sludge Jurek 6 11032 Sunday, November 13, 2011 11:03 PM 
reduction of flows cb 2 10943 Wednesday, January 27, 2010 9:24 AM 
W3QLAS Anaerobic Digestion/Solids Dewatering Process Control Workshop Victor Santa Cruz 0 10510 Thursday, January 21, 2010 8:24 PM 
color codes for equipment and pipes deepleveltrash 1 9872 Wednesday, March 31, 2010 4:38 PM 
head loss at air diffused system Tiger 1 9758 Monday, July 5, 2010 11:55 AM 
floating sludge problem JC 1 9751 Saturday, April 24, 2010 6:42 PM 
High fecal coliform results Carmine Goneconte 7 9707 Sunday, November 13, 2011 10:59 PM 
Wastewater Blog Grant Weaver 5 9679 Monday, May 7, 2012 4:15 AM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 9620 Sunday, November 13, 2011 11:00 PM 
Sand filters Flow rate peak cals..... SHARIFF 1 9492 Tuesday, February 23, 2010 12:45 AM 
P.H. Problems D.Mak 6 9459 Wednesday, September 21, 2011 7:27 AM 
Polyethylene Glycol Treatability Keith Chapman 1 9386 Friday, November 25, 2011 1:56 AM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 9378 Friday, May 28, 2010 3:30 PM 
Request for Spiral Heat Exchanger experience Richard Roberts 0 9175 Monday, March 15, 2010 7:24 AM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 9124 Saturday, November 26, 2011 10:20 AM 
Measuring grit accumulation in a tank Larry Dolamore 2 9044 Sunday, May 2, 2010 1:28 PM 
grey slime in trickling filters & SBRs Todd Boling 0 8851 Saturday, May 1, 2010 4:19 PM 
Bar screen upstream level sensor Larry Dolamore 2 8801 Friday, May 28, 2010 5:15 PM 
excessive dark foam on aeration tanks Mark 3 8735 Tuesday, April 5, 2011 11:33 AM 
Primary clarifier chain Chris 4 8306 Sunday, November 13, 2011 11:02 PM 
very low SVIs!! Deb 5 8153 Monday, November 29, 2010 5:55 PM 
SCADA advice needed Dennis Hudson 4 8153 Thursday, October 28, 2010 3:54 PM 
Request for info regarding Trojan UV systems T.O.C. 5 7996 Friday, August 10, 2012 2:22 PM 
Outfall Shorezone Protection T. Butler 1 7932 Wednesday, March 17, 2010 12:14 PM 
Where to sell New Surplus Siemens Clarifier Drive ? surplusbuyer 1 7930 Saturday, July 24, 2010 1:33 PM 
ORP control Mark Milne 2 7918 Friday, November 25, 2011 1:57 AM 
Flow verification James Royer 2 7825 Monday, October 25, 2010 12:34 PM 
WASTEWATER MICROBIOLOGY & PROCESS CONTROL CLASS Terry 2 7815 Monday, August 8, 2011 1:17 PM 
managing activated sludge system during food shortage John Wang 2 7742 Wednesday, July 6, 2011 9:24 AM 
transportation of dewatered alum sludge Doctor Sewage 0 7588 Monday, August 2, 2010 3:55 AM 
SBR Omniflow Jerry 0 7462 Thursday, August 26, 2010 3:34 PM 
Oxidation Ditch Structural Assesment watertech 1 7363 Wednesday, September 22, 2010 2:15 PM 
aerobic-anoxic operation ale 0 7027 Sunday, November 14, 2010 2:04 AM 
Frozen tank Deerfield Wastewater 1 6833 Sunday, November 13, 2011 11:01 PM 
Caroling Sewermen Victor Santa Cruz 0 6754 Wednesday, December 29, 2010 1:44 PM 
W3QLAS Activated Sludge Process Control Workshop Victor Santa Cruz 0 6465 Thursday, January 21, 2010 8:23 PM 
Wastewater operator training opportunity at Wausau, Wisconsin February 1, 2011. Terry 0 6449 Wednesday, January 5, 2011 9:15 AM 
MBR sludge condition Elizabeth Lawrence 4 6187 Tuesday, March 22, 2011 10:29 PM 
High COD Results evik 1 6079 Thursday, February 24, 2011 9:13 AM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 6046 Tuesday, May 17, 2011 11:14 AM 
Pump Mixing Systems Anaerobic Digesters Christopher Morphey 0 5990 Tuesday, May 24, 2011 10:55 AM 
Lost of pressure Chief 8 5890 Tuesday, March 15, 2011 7:02 AM 
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