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 15172 Sunday, April 11, 2010 2:01 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 12834 Sunday, July 25, 2010 9:08 PM 
disinfection with paracetic acid mgille 8 12628 Tuesday, July 6, 2010 10:33 AM 
Quaternary Ammonium Compounds David Allen 3 12493 Monday, July 11, 2011 3:05 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 12140 Sunday, April 3, 2011 6:07 AM 
aerobic digester-very high solids-odor problem jim 4 12103 Sunday, May 16, 2010 5:13 PM 
Operators Meeting in WI Terry 0 11754 Friday, January 8, 2010 12:20 PM 
Digester Gas Piping GB Gehrke 6 11582 Wednesday, November 23, 2011 7:45 AM 
Chlorine survival in activated sludge Jurek 6 11500 Sunday, November 13, 2011 11:03 PM 
reduction of flows cb 2 11244 Wednesday, January 27, 2010 9:24 AM 
W3QLAS Anaerobic Digestion/Solids Dewatering Process Control Workshop Victor Santa Cruz 0 10840 Thursday, January 21, 2010 8:24 PM 
High fecal coliform results Carmine Goneconte 7 10275 Sunday, November 13, 2011 10:59 PM 
color codes for equipment and pipes deepleveltrash 1 10253 Wednesday, March 31, 2010 4:38 PM 
Wastewater Blog Grant Weaver 5 10188 Monday, May 7, 2012 4:15 AM 
head loss at air diffused system Tiger 1 10123 Monday, July 5, 2010 11:55 AM 
floating sludge problem JC 1 10105 Saturday, April 24, 2010 6:42 PM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 10092 Sunday, November 13, 2011 11:00 PM 
P.H. Problems D.Mak 6 9963 Wednesday, September 21, 2011 7:27 AM 
Polyethylene Glycol Treatability Keith Chapman 1 9867 Friday, November 25, 2011 1:56 AM 
Sand filters Flow rate peak cals..... SHARIFF 1 9829 Tuesday, February 23, 2010 12:45 AM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 9751 Friday, May 28, 2010 3:30 PM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 9570 Saturday, November 26, 2011 10:20 AM 
Request for Spiral Heat Exchanger experience Richard Roberts 0 9553 Monday, March 15, 2010 7:24 AM 
Measuring grit accumulation in a tank Larry Dolamore 2 9410 Sunday, May 2, 2010 1:28 PM 
Bar screen upstream level sensor Larry Dolamore 2 9223 Friday, May 28, 2010 5:15 PM 
excessive dark foam on aeration tanks Mark 3 9095 Tuesday, April 5, 2011 11:33 AM 
grey slime in trickling filters & SBRs Todd Boling 0 9082 Saturday, May 1, 2010 4:19 PM 
Primary clarifier chain Chris 4 8793 Sunday, November 13, 2011 11:02 PM 
very low SVIs!! Deb 5 8563 Monday, November 29, 2010 5:55 PM 
SCADA advice needed Dennis Hudson 4 8542 Thursday, October 28, 2010 3:54 PM 
Request for info regarding Trojan UV systems T.O.C. 5 8415 Friday, August 10, 2012 2:22 PM 
ORP control Mark Milne 2 8366 Friday, November 25, 2011 1:57 AM 
Where to sell New Surplus Siemens Clarifier Drive ? surplusbuyer 1 8309 Saturday, July 24, 2010 1:33 PM 
Outfall Shorezone Protection T. Butler 1 8236 Wednesday, March 17, 2010 12:14 PM 
Flow verification James Royer 2 8234 Monday, October 25, 2010 12:34 PM 
WASTEWATER MICROBIOLOGY & PROCESS CONTROL CLASS Terry 2 8206 Monday, August 8, 2011 1:17 PM 
Portable Suspended Solids Analyzer 01471237 0 8162 Friday, August 16, 2013 9:42 AM 
managing activated sludge system during food shortage John Wang 2 8139 Wednesday, July 6, 2011 9:24 AM 
transportation of dewatered alum sludge Doctor Sewage 0 7938 Monday, August 2, 2010 3:55 AM 
SBR Omniflow Jerry 0 7840 Thursday, August 26, 2010 3:34 PM 
Oxidation Ditch Structural Assesment watertech 1 7712 Wednesday, September 22, 2010 2:15 PM 
Control of algae growth on concrete with coatings? 01490632 0 7677 Tuesday, February 25, 2014 2:17 PM 
Nitrate Lock Extended aeration Paul Robertson 0 7525 Thursday, December 26, 2013 11:19 AM 
aerobic-anoxic operation ale 0 7377 Sunday, November 14, 2010 2:04 AM 
Frozen tank Deerfield Wastewater 1 7284 Sunday, November 13, 2011 11:01 PM 
Caroling Sewermen Victor Santa Cruz 0 7154 Wednesday, December 29, 2010 1:44 PM 
W3QLAS Activated Sludge Process Control Workshop Victor Santa Cruz 0 6859 Thursday, January 21, 2010 8:23 PM 
Wastewater operator training opportunity at Wausau, Wisconsin February 1, 2011. Terry 0 6800 Wednesday, January 5, 2011 9:15 AM 
MBR sludge condition Elizabeth Lawrence 4 6564 Tuesday, March 22, 2011 10:29 PM 
High COD Results evik 1 6508 Thursday, February 24, 2011 9:13 AM 
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