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 15156 Sunday, April 11, 2010 2:01 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 12805 Sunday, July 25, 2010 9:08 PM 
disinfection with paracetic acid mgille 8 12670 Tuesday, July 6, 2010 10:33 AM 
Quaternary Ammonium Compounds David Allen 3 12462 Monday, July 11, 2011 3:05 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 12099 Sunday, April 3, 2011 6:07 AM 
aerobic digester-very high solids-odor problem jim 4 12075 Sunday, May 16, 2010 5:13 PM 
Operators Meeting in WI Terry 0 11741 Friday, January 8, 2010 12:20 PM 
Digester Gas Piping GB Gehrke 6 11534 Wednesday, November 23, 2011 7:45 AM 
Chlorine survival in activated sludge Jurek 6 11460 Sunday, November 13, 2011 11:03 PM 
reduction of flows cb 2 11221 Wednesday, January 27, 2010 9:24 AM 
W3QLAS Anaerobic Digestion/Solids Dewatering Process Control Workshop Victor Santa Cruz 0 10847 Thursday, January 21, 2010 8:24 PM 
High fecal coliform results Carmine Goneconte 7 10255 Sunday, November 13, 2011 10:59 PM 
color codes for equipment and pipes deepleveltrash 1 10203 Wednesday, March 31, 2010 4:38 PM 
Wastewater Blog Grant Weaver 5 10142 Monday, May 7, 2012 4:15 AM 
head loss at air diffused system Tiger 1 10099 Monday, July 5, 2010 11:55 AM 
floating sludge problem JC 1 10092 Saturday, April 24, 2010 6:42 PM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 10054 Sunday, November 13, 2011 11:00 PM 
P.H. Problems D.Mak 6 9926 Wednesday, September 21, 2011 7:27 AM 
Polyethylene Glycol Treatability Keith Chapman 1 9854 Friday, November 25, 2011 1:56 AM 
Sand filters Flow rate peak cals..... SHARIFF 1 9802 Tuesday, February 23, 2010 12:45 AM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 9719 Friday, May 28, 2010 3:30 PM 
Request for Spiral Heat Exchanger experience Richard Roberts 0 9520 Monday, March 15, 2010 7:24 AM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 9519 Saturday, November 26, 2011 10:20 AM 
Measuring grit accumulation in a tank Larry Dolamore 2 9384 Sunday, May 2, 2010 1:28 PM 
Bar screen upstream level sensor Larry Dolamore 2 9191 Friday, May 28, 2010 5:15 PM 
excessive dark foam on aeration tanks Mark 3 9085 Tuesday, April 5, 2011 11:33 AM 
grey slime in trickling filters & SBRs Todd Boling 0 9054 Saturday, May 1, 2010 4:19 PM 
Primary clarifier chain Chris 4 8756 Sunday, November 13, 2011 11:02 PM 
very low SVIs!! Deb 5 8526 Monday, November 29, 2010 5:55 PM 
SCADA advice needed Dennis Hudson 4 8524 Thursday, October 28, 2010 3:54 PM 
Request for info regarding Trojan UV systems T.O.C. 5 8422 Friday, August 10, 2012 2:22 PM 
ORP control Mark Milne 2 8365 Friday, November 25, 2011 1:57 AM 
Where to sell New Surplus Siemens Clarifier Drive ? surplusbuyer 1 8278 Saturday, July 24, 2010 1:33 PM 
Outfall Shorezone Protection T. Butler 1 8227 Wednesday, March 17, 2010 12:14 PM 
Flow verification James Royer 2 8196 Monday, October 25, 2010 12:34 PM 
WASTEWATER MICROBIOLOGY & PROCESS CONTROL CLASS Terry 2 8166 Monday, August 8, 2011 1:17 PM 
Portable Suspended Solids Analyzer 01471237 0 8126 Friday, August 16, 2013 9:42 AM 
managing activated sludge system during food shortage John Wang 2 8116 Wednesday, July 6, 2011 9:24 AM 
transportation of dewatered alum sludge Doctor Sewage 0 7910 Monday, August 2, 2010 3:55 AM 
SBR Omniflow Jerry 0 7815 Thursday, August 26, 2010 3:34 PM 
Oxidation Ditch Structural Assesment watertech 1 7687 Wednesday, September 22, 2010 2:15 PM 
Control of algae growth on concrete with coatings? 01490632 0 7629 Tuesday, February 25, 2014 2:17 PM 
Nitrate Lock Extended aeration Paul Robertson 0 7485 Thursday, December 26, 2013 11:19 AM 
aerobic-anoxic operation ale 0 7342 Sunday, November 14, 2010 2:04 AM 
Frozen tank Deerfield Wastewater 1 7238 Sunday, November 13, 2011 11:01 PM 
Caroling Sewermen Victor Santa Cruz 0 7116 Wednesday, December 29, 2010 1:44 PM 
W3QLAS Activated Sludge Process Control Workshop Victor Santa Cruz 0 6865 Thursday, January 21, 2010 8:23 PM 
Wastewater operator training opportunity at Wausau, Wisconsin February 1, 2011. Terry 0 6779 Wednesday, January 5, 2011 9:15 AM 
MBR sludge condition Elizabeth Lawrence 4 6530 Tuesday, March 22, 2011 10:29 PM 
High COD Results evik 1 6479 Thursday, February 24, 2011 9:13 AM 
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