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 17220 Sunday, April 11, 2010 2:01 PM 
Control of algae growth on concrete with coatings? 01490632 0 16898 Tuesday, February 25, 2014 2:17 PM 
Portable Suspended Solids Analyzer 01471237 0 16630 Friday, August 16, 2013 9:42 AM 
Nitrate Lock Extended aeration Paul Robertson 0 16614 Thursday, December 26, 2013 11:19 AM 
Chemical Phosphorus Removal Tyrone McCabe 6 15479 Sunday, July 25, 2010 9:08 PM 
disinfection with paracetic acid mgille 8 14562 Tuesday, July 6, 2010 10:33 AM 
Quaternary Ammonium Compounds David Allen 3 14516 Monday, July 11, 2011 3:05 PM 
aerobic digester-very high solids-odor problem jim 4 14188 Sunday, May 16, 2010 5:13 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 14139 Sunday, April 3, 2011 6:07 AM 
Operators Meeting in WI Terry 0 13792 Friday, January 8, 2010 12:20 PM 
Chlorine survival in activated sludge Jurek 6 13615 Sunday, November 13, 2011 11:03 PM 
Wastewater Blog Grant Weaver 5 13221 Monday, May 7, 2012 4:15 AM 
reduction of flows cb 2 13182 Wednesday, January 27, 2010 9:24 AM 
Alien Bugs(2) 01663302 0 12999 Monday, December 23, 2013 10:09 AM 
High fecal coliform results Carmine Goneconte 7 12999 Sunday, November 13, 2011 10:59 PM 
W3QLAS Anaerobic Digestion/Solids Dewatering Process Control Workshop Victor Santa Cruz 0 12766 Thursday, January 21, 2010 8:24 PM 
Polyethylene Glycol Treatability Keith Chapman 1 12292 Friday, November 25, 2011 1:56 AM 
Digester Gas Piping GB Gehrke 6 12198 Wednesday, November 23, 2011 7:45 AM 
color codes for equipment and pipes deepleveltrash 1 12195 Wednesday, March 31, 2010 4:38 PM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 12101 Saturday, November 26, 2011 10:20 AM 
head loss at air diffused system Tiger 1 11971 Monday, July 5, 2010 11:55 AM 
P.H. Problems D.Mak 6 11937 Wednesday, September 21, 2011 7:27 AM 
floating sludge problem JC 1 11885 Saturday, April 24, 2010 6:42 PM 
Sand filters Flow rate peak cals..... SHARIFF 1 11700 Tuesday, February 23, 2010 12:45 AM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 11556 Friday, May 28, 2010 3:30 PM 
BNR Internal Recycle Cooper 0 11482 Wednesday, January 28, 2015 8:27 PM 
Request for Spiral Heat Exchanger experience Richard Roberts 0 11395 Monday, March 15, 2010 7:24 AM 
Measuring grit accumulation in a tank Larry Dolamore 2 11281 Sunday, May 2, 2010 1:28 PM 
aerobic-anoxic operation ale 0 11206 Sunday, November 14, 2010 2:04 AM 
excessive dark foam on aeration tanks Mark 3 11003 Tuesday, April 5, 2011 11:33 AM 
grey slime in trickling filters & SBRs Todd Boling 0 10950 Saturday, May 1, 2010 4:19 PM 
Primary clarifier chain Chris 4 10887 Sunday, November 13, 2011 11:02 PM 
ORP control Mark Milne 2 10631 Friday, November 25, 2011 1:57 AM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 10566 Sunday, November 13, 2011 11:00 PM 
SCADA advice needed Dennis Hudson 4 10447 Thursday, October 28, 2010 3:54 PM 
very low SVIs!! Deb 5 10410 Monday, November 29, 2010 5:55 PM 
Where to sell New Surplus Siemens Clarifier Drive ? surplusbuyer 1 10160 Saturday, July 24, 2010 1:33 PM 
Flow verification James Royer 2 10126 Monday, October 25, 2010 12:34 PM 
managing activated sludge system during food shortage John Wang 2 10117 Wednesday, July 6, 2011 9:24 AM 
Outfall Shorezone Protection T. Butler 1 10104 Wednesday, March 17, 2010 12:14 PM 
transportation of dewatered alum sludge Doctor Sewage 0 9739 Monday, August 2, 2010 3:55 AM 
Bar screen upstream level sensor Larry Dolamore 2 9681 Friday, May 28, 2010 5:15 PM 
SBR Omniflow Jerry 0 9680 Thursday, August 26, 2010 3:34 PM 
Oxidation Ditch Structural Assesment watertech 1 9532 Wednesday, September 22, 2010 2:15 PM 
Decanting solds & scum Dwayne 1 9506 Friday, June 19, 2015 6:28 AM 
Frozen tank Deerfield Wastewater 1 9172 Sunday, November 13, 2011 11:01 PM 
Caroling Sewermen Victor Santa Cruz 0 9103 Wednesday, December 29, 2010 1:44 PM 
Request for info regarding Trojan UV systems T.O.C. 5 8892 Friday, August 10, 2012 2:22 PM 
Wastewater operator training opportunity at Wausau, Wisconsin February 1, 2011. Terry 0 8855 Wednesday, January 5, 2011 9:15 AM 
W3QLAS Activated Sludge Process Control Workshop Victor Santa Cruz 0 8774 Thursday, January 21, 2010 8:23 PM 
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