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 14782 Sunday, April 11, 2010 2:01 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 12428 Sunday, July 25, 2010 9:08 PM 
disinfection with paracetic acid mgille 8 12238 Tuesday, July 6, 2010 10:33 AM 
Quaternary Ammonium Compounds David Allen 3 12044 Monday, July 11, 2011 3:05 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 11715 Sunday, April 3, 2011 6:07 AM 
aerobic digester-very high solids-odor problem jim 4 11672 Sunday, May 16, 2010 5:13 PM 
Operators Meeting in WI Terry 0 11420 Friday, January 8, 2010 12:20 PM 
Digester Gas Piping GB Gehrke 6 11074 Wednesday, November 23, 2011 7:45 AM 
Chlorine survival in activated sludge Jurek 6 11022 Sunday, November 13, 2011 11:03 PM 
reduction of flows cb 2 10932 Wednesday, January 27, 2010 9:24 AM 
W3QLAS Anaerobic Digestion/Solids Dewatering Process Control Workshop Victor Santa Cruz 0 10523 Thursday, January 21, 2010 8:24 PM 
color codes for equipment and pipes deepleveltrash 1 9849 Wednesday, March 31, 2010 4:38 PM 
head loss at air diffused system Tiger 1 9804 Monday, July 5, 2010 11:55 AM 
floating sludge problem JC 1 9734 Saturday, April 24, 2010 6:42 PM 
High fecal coliform results Carmine Goneconte 7 9696 Sunday, November 13, 2011 10:59 PM 
Wastewater Blog Grant Weaver 5 9674 Monday, May 7, 2012 4:15 AM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 9597 Sunday, November 13, 2011 11:00 PM 
Sand filters Flow rate peak cals..... SHARIFF 1 9486 Tuesday, February 23, 2010 12:45 AM 
P.H. Problems D.Mak 6 9440 Wednesday, September 21, 2011 7:27 AM 
Polyethylene Glycol Treatability Keith Chapman 1 9383 Friday, November 25, 2011 1:56 AM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 9365 Friday, May 28, 2010 3:30 PM 
Request for Spiral Heat Exchanger experience Richard Roberts 0 9193 Monday, March 15, 2010 7:24 AM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 9105 Saturday, November 26, 2011 10:20 AM 
Measuring grit accumulation in a tank Larry Dolamore 2 9032 Sunday, May 2, 2010 1:28 PM 
Bar screen upstream level sensor Larry Dolamore 2 8850 Friday, May 28, 2010 5:15 PM 
grey slime in trickling filters & SBRs Todd Boling 0 8835 Saturday, May 1, 2010 4:19 PM 
excessive dark foam on aeration tanks Mark 3 8706 Tuesday, April 5, 2011 11:33 AM 
Primary clarifier chain Chris 4 8287 Sunday, November 13, 2011 11:02 PM 
very low SVIs!! Deb 5 8167 Monday, November 29, 2010 5:55 PM 
SCADA advice needed Dennis Hudson 4 8149 Thursday, October 28, 2010 3:54 PM 
Where to sell New Surplus Siemens Clarifier Drive ? surplusbuyer 1 7987 Saturday, July 24, 2010 1:33 PM 
Request for info regarding Trojan UV systems T.O.C. 5 7985 Friday, August 10, 2012 2:22 PM 
Outfall Shorezone Protection T. Butler 1 7921 Wednesday, March 17, 2010 12:14 PM 
ORP control Mark Milne 2 7900 Friday, November 25, 2011 1:57 AM 
WASTEWATER MICROBIOLOGY & PROCESS CONTROL CLASS Terry 2 7826 Monday, August 8, 2011 1:17 PM 
Flow verification James Royer 2 7814 Monday, October 25, 2010 12:34 PM 
managing activated sludge system during food shortage John Wang 2 7727 Wednesday, July 6, 2011 9:24 AM 
transportation of dewatered alum sludge Doctor Sewage 0 7577 Monday, August 2, 2010 3:55 AM 
SBR Omniflow Jerry 0 7461 Thursday, August 26, 2010 3:34 PM 
Oxidation Ditch Structural Assesment watertech 1 7347 Wednesday, September 22, 2010 2:15 PM 
aerobic-anoxic operation ale 0 7020 Sunday, November 14, 2010 2:04 AM 
Caroling Sewermen Victor Santa Cruz 0 6868 Wednesday, December 29, 2010 1:44 PM 
Frozen tank Deerfield Wastewater 1 6821 Sunday, November 13, 2011 11:01 PM 
Wastewater operator training opportunity at Wausau, Wisconsin February 1, 2011. Terry 0 6504 Wednesday, January 5, 2011 9:15 AM 
W3QLAS Activated Sludge Process Control Workshop Victor Santa Cruz 0 6454 Thursday, January 21, 2010 8:23 PM 
MBR sludge condition Elizabeth Lawrence 4 6182 Tuesday, March 22, 2011 10:29 PM 
High COD Results evik 1 6085 Thursday, February 24, 2011 9:13 AM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 6073 Tuesday, May 17, 2011 11:14 AM 
Pump Mixing Systems Anaerobic Digesters Christopher Morphey 0 5978 Tuesday, May 24, 2011 10:55 AM 
Lost of pressure Chief 8 5879 Tuesday, March 15, 2011 7:02 AM 
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