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 19724 Sunday, April 11, 2010 2:01 PM 
Control of algae growth on concrete with coatings? 01490632 0 19670 Tuesday, February 25, 2014 2:17 PM 
Nitrate Lock Extended aeration Paul Robertson 0 19327 Thursday, December 26, 2013 11:19 AM 
Portable Suspended Solids Analyzer 01471237 0 19311 Friday, August 16, 2013 9:42 AM 
Chemical Phosphorus Removal Tyrone McCabe 6 18259 Sunday, July 25, 2010 9:08 PM 
Wastewater Blog Grant Weaver 5 17824 Monday, May 7, 2012 4:15 AM 
disinfection with paracetic acid mgille 8 17201 Tuesday, July 6, 2010 10:33 AM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 17050 Sunday, April 3, 2011 6:07 AM 
Quaternary Ammonium Compounds David Allen 3 16971 Monday, July 11, 2011 3:05 PM 
aerobic digester-very high solids-odor problem jim 4 16812 Sunday, May 16, 2010 5:13 PM 
Chlorine survival in activated sludge Jurek 6 16434 Sunday, November 13, 2011 11:03 PM 
Operators Meeting in WI Terry 0 16426 Friday, January 8, 2010 12:20 PM 
reduction of flows cb 2 15595 Wednesday, January 27, 2010 9:24 AM 
Alien Bugs(2) 01663302 0 15587 Monday, December 23, 2013 10:09 AM 
High fecal coliform results Carmine Goneconte 7 15554 Sunday, November 13, 2011 10:59 PM 
color codes for equipment and pipes deepleveltrash 1 15365 Wednesday, March 31, 2010 4:38 PM 
W3QLAS Anaerobic Digestion/Solids Dewatering Process Control Workshop Victor Santa Cruz 0 15276 Thursday, January 21, 2010 8:24 PM 
Digester Gas Piping GB Gehrke 6 15270 Wednesday, November 23, 2011 7:45 AM 
Polyethylene Glycol Treatability Keith Chapman 1 15014 Friday, November 25, 2011 1:56 AM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 14856 Saturday, November 26, 2011 10:20 AM 
P.H. Problems D.Mak 6 14541 Wednesday, September 21, 2011 7:27 AM 
head loss at air diffused system Tiger 1 14288 Monday, July 5, 2010 11:55 AM 
floating sludge problem JC 1 14268 Saturday, April 24, 2010 6:42 PM 
BNR Internal Recycle Cooper 0 14257 Wednesday, January 28, 2015 8:27 PM 
aerobic-anoxic operation ale 0 14226 Sunday, November 14, 2010 2:04 AM 
Sand filters Flow rate peak cals..... SHARIFF 1 14085 Tuesday, February 23, 2010 12:45 AM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 13926 Friday, May 28, 2010 3:30 PM 
Request for Spiral Heat Exchanger experience Richard Roberts 0 13765 Monday, March 15, 2010 7:24 AM 
Measuring grit accumulation in a tank Larry Dolamore 2 13661 Sunday, May 2, 2010 1:28 PM 
Primary clarifier chain Chris 4 13584 Sunday, November 13, 2011 11:02 PM 
excessive dark foam on aeration tanks Mark 3 13430 Tuesday, April 5, 2011 11:33 AM 
ORP control Mark Milne 2 13275 Friday, November 25, 2011 1:57 AM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 13210 Sunday, November 13, 2011 11:00 PM 
SCADA advice needed Dennis Hudson 4 12971 Thursday, October 28, 2010 3:54 PM 
very low SVIs!! Deb 5 12932 Monday, November 29, 2010 5:55 PM 
Flow verification James Royer 2 12830 Monday, October 25, 2010 12:34 PM 
Outfall Shorezone Protection T. Butler 1 12538 Wednesday, March 17, 2010 12:14 PM 
Where to sell New Surplus Siemens Clarifier Drive ? surplusbuyer 1 12496 Saturday, July 24, 2010 1:33 PM 
Decanting solds & scum Dwayne 1 12419 Friday, June 19, 2015 6:28 AM 
transportation of dewatered alum sludge Doctor Sewage 0 12082 Monday, August 2, 2010 3:55 AM 
SBR Omniflow Jerry 0 12057 Thursday, August 26, 2010 3:34 PM 
Bar screen upstream level sensor Larry Dolamore 2 12009 Friday, May 28, 2010 5:15 PM 
Oxidation Ditch Structural Assesment watertech 1 11941 Wednesday, September 22, 2010 2:15 PM 
Caroling Sewermen Victor Santa Cruz 0 11790 Wednesday, December 29, 2010 1:44 PM 
Wastewater operator training opportunity at Wausau, Wisconsin February 1, 2011. Terry 0 11591 Wednesday, January 5, 2011 9:15 AM 
Request for info regarding Trojan UV systems T.O.C. 5 11574 Friday, August 10, 2012 2:22 PM 
Frozen tank Deerfield Wastewater 1 11550 Sunday, November 13, 2011 11:01 PM 
W3QLAS Activated Sludge Process Control Workshop Victor Santa Cruz 0 11418 Thursday, January 21, 2010 8:23 PM 
WASTEWATER MICROBIOLOGY & PROCESS CONTROL CLASS Terry 2 11407 Monday, August 8, 2011 1:17 PM 
MBR sludge condition Elizabeth Lawrence 4 11070 Tuesday, March 22, 2011 10:29 PM 
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