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 15029 Sunday, April 11, 2010 2:01 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 12648 Sunday, July 25, 2010 9:08 PM 
disinfection with paracetic acid mgille 8 12463 Tuesday, July 6, 2010 10:33 AM 
Quaternary Ammonium Compounds David Allen 3 12261 Monday, July 11, 2011 3:05 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 11956 Sunday, April 3, 2011 6:07 AM 
aerobic digester-very high solids-odor problem jim 4 11950 Sunday, May 16, 2010 5:13 PM 
Operators Meeting in WI Terry 0 11584 Friday, January 8, 2010 12:20 PM 
Digester Gas Piping GB Gehrke 6 11364 Wednesday, November 23, 2011 7:45 AM 
Chlorine survival in activated sludge Jurek 6 11281 Sunday, November 13, 2011 11:03 PM 
reduction of flows cb 2 11096 Wednesday, January 27, 2010 9:24 AM 
W3QLAS Anaerobic Digestion/Solids Dewatering Process Control Workshop Victor Santa Cruz 0 10705 Thursday, January 21, 2010 8:24 PM 
color codes for equipment and pipes deepleveltrash 1 10026 Wednesday, March 31, 2010 4:38 PM 
High fecal coliform results Carmine Goneconte 7 10014 Sunday, November 13, 2011 10:59 PM 
head loss at air diffused system Tiger 1 9981 Monday, July 5, 2010 11:55 AM 
Wastewater Blog Grant Weaver 5 9957 Monday, May 7, 2012 4:15 AM 
floating sludge problem JC 1 9942 Saturday, April 24, 2010 6:42 PM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 9879 Sunday, November 13, 2011 11:00 PM 
P.H. Problems D.Mak 6 9701 Wednesday, September 21, 2011 7:27 AM 
Polyethylene Glycol Treatability Keith Chapman 1 9689 Friday, November 25, 2011 1:56 AM 
Sand filters Flow rate peak cals..... SHARIFF 1 9662 Tuesday, February 23, 2010 12:45 AM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 9584 Friday, May 28, 2010 3:30 PM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 9377 Saturday, November 26, 2011 10:20 AM 
Request for Spiral Heat Exchanger experience Richard Roberts 0 9376 Monday, March 15, 2010 7:24 AM 
Measuring grit accumulation in a tank Larry Dolamore 2 9251 Sunday, May 2, 2010 1:28 PM 
Bar screen upstream level sensor Larry Dolamore 2 9048 Friday, May 28, 2010 5:15 PM 
excessive dark foam on aeration tanks Mark 3 8964 Tuesday, April 5, 2011 11:33 AM 
grey slime in trickling filters & SBRs Todd Boling 0 8923 Saturday, May 1, 2010 4:19 PM 
Primary clarifier chain Chris 4 8561 Sunday, November 13, 2011 11:02 PM 
very low SVIs!! Deb 5 8398 Monday, November 29, 2010 5:55 PM 
SCADA advice needed Dennis Hudson 4 8381 Thursday, October 28, 2010 3:54 PM 
Request for info regarding Trojan UV systems T.O.C. 5 8276 Friday, August 10, 2012 2:22 PM 
ORP control Mark Milne 2 8195 Friday, November 25, 2011 1:57 AM 
Where to sell New Surplus Siemens Clarifier Drive ? surplusbuyer 1 8131 Saturday, July 24, 2010 1:33 PM 
Outfall Shorezone Protection T. Butler 1 8098 Wednesday, March 17, 2010 12:14 PM 
Flow verification James Royer 2 8067 Monday, October 25, 2010 12:34 PM 
WASTEWATER MICROBIOLOGY & PROCESS CONTROL CLASS Terry 2 8001 Monday, August 8, 2011 1:17 PM 
managing activated sludge system during food shortage John Wang 2 7991 Wednesday, July 6, 2011 9:24 AM 
transportation of dewatered alum sludge Doctor Sewage 0 7793 Monday, August 2, 2010 3:55 AM 
SBR Omniflow Jerry 0 7680 Thursday, August 26, 2010 3:34 PM 
Oxidation Ditch Structural Assesment watertech 1 7541 Wednesday, September 22, 2010 2:15 PM 
aerobic-anoxic operation ale 0 7207 Sunday, November 14, 2010 2:04 AM 
Frozen tank Deerfield Wastewater 1 7086 Sunday, November 13, 2011 11:01 PM 
Caroling Sewermen Victor Santa Cruz 0 6959 Wednesday, December 29, 2010 1:44 PM 
Wastewater operator training opportunity at Wausau, Wisconsin February 1, 2011. Terry 0 6660 Wednesday, January 5, 2011 9:15 AM 
W3QLAS Activated Sludge Process Control Workshop Victor Santa Cruz 0 6650 Thursday, January 21, 2010 8:23 PM 
MBR sludge condition Elizabeth Lawrence 4 6409 Tuesday, March 22, 2011 10:29 PM 
High COD Results evik 1 6331 Thursday, February 24, 2011 9:13 AM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 6288 Tuesday, May 17, 2011 11:14 AM 
Pump Mixing Systems Anaerobic Digesters Christopher Morphey 0 6191 Tuesday, May 24, 2011 10:55 AM 
Lost of pressure Chief 8 6167 Tuesday, March 15, 2011 7:02 AM 
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