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
Trash(tampons, etc.) problem land application Landbiosolid 1 6117 Tuesday, September 20, 2011 10:06 AM 
In line nutrient monitoring mford 1 6134 Wednesday, July 6, 2011 9:16 AM 
Activated Sludge Process Control Workshop Victor Santa Cruz 1 6143 Wednesday, February 23, 2011 11:39 PM 
Free Webinar: The Science of Mixing and Maintaining Water Quality in Water Storage Tanks NRWA Webinar 0 6159 Tuesday, May 17, 2011 2:20 PM 
Lost of pressure Chief 8 6368 Tuesday, March 15, 2011 7:02 AM 
Pump Mixing Systems Anaerobic Digesters Christopher Morphey 0 6442 Tuesday, May 24, 2011 10:55 AM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 6554 Tuesday, May 17, 2011 11:14 AM 
High COD Results evik 1 6594 Thursday, February 24, 2011 9:13 AM 
MBR sludge condition Elizabeth Lawrence 4 6621 Tuesday, March 22, 2011 10:29 PM 
W3QLAS Activated Sludge Process Control Workshop Victor Santa Cruz 0 6898 Thursday, January 21, 2010 8:23 PM 
Wastewater operator training opportunity at Wausau, Wisconsin February 1, 2011. Terry 0 6919 Wednesday, January 5, 2011 9:15 AM 
Alien Bugs(2) 01663302 0 7103 Monday, December 23, 2013 10:09 AM 
Caroling Sewermen Victor Santa Cruz 0 7192 Wednesday, December 29, 2010 1:44 PM 
Frozen tank Deerfield Wastewater 1 7328 Sunday, November 13, 2011 11:01 PM 
aerobic-anoxic operation ale 0 7458 Sunday, November 14, 2010 2:04 AM 
Oxidation Ditch Structural Assesment watertech 1 7823 Wednesday, September 22, 2010 2:15 PM 
SBR Omniflow Jerry 0 7969 Thursday, August 26, 2010 3:34 PM 
transportation of dewatered alum sludge Doctor Sewage 0 8061 Monday, August 2, 2010 3:55 AM 
managing activated sludge system during food shortage John Wang 2 8257 Wednesday, July 6, 2011 9:24 AM 
WASTEWATER MICROBIOLOGY & PROCESS CONTROL CLASS Terry 2 8305 Monday, August 8, 2011 1:17 PM 
Flow verification James Royer 2 8326 Monday, October 25, 2010 12:34 PM 
Where to sell New Surplus Siemens Clarifier Drive ? surplusbuyer 1 8364 Saturday, July 24, 2010 1:33 PM 
Outfall Shorezone Protection T. Butler 1 8405 Wednesday, March 17, 2010 12:14 PM 
ORP control Mark Milne 2 8487 Friday, November 25, 2011 1:57 AM 
Request for info regarding Trojan UV systems T.O.C. 5 8526 Friday, August 10, 2012 2:22 PM 
SCADA advice needed Dennis Hudson 4 8647 Thursday, October 28, 2010 3:54 PM 
very low SVIs!! Deb 5 8676 Monday, November 29, 2010 5:55 PM 
Primary clarifier chain Chris 4 8883 Sunday, November 13, 2011 11:02 PM 
grey slime in trickling filters & SBRs Todd Boling 0 9108 Saturday, May 1, 2010 4:19 PM 
excessive dark foam on aeration tanks Mark 3 9153 Tuesday, April 5, 2011 11:33 AM 
Bar screen upstream level sensor Larry Dolamore 2 9223 Friday, May 28, 2010 5:15 PM 
Measuring grit accumulation in a tank Larry Dolamore 2 9529 Sunday, May 2, 2010 1:28 PM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 9589 Saturday, November 26, 2011 10:20 AM 
Request for Spiral Heat Exchanger experience Richard Roberts 0 9668 Monday, March 15, 2010 7:24 AM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 9851 Friday, May 28, 2010 3:30 PM 
Sand filters Flow rate peak cals..... SHARIFF 1 9876 Tuesday, February 23, 2010 12:45 AM 
Polyethylene Glycol Treatability Keith Chapman 1 9961 Friday, November 25, 2011 1:56 AM 
P.H. Problems D.Mak 6 10049 Wednesday, September 21, 2011 7:27 AM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 10135 Sunday, November 13, 2011 11:00 PM 
Nitrate Lock Extended aeration Paul Robertson 0 10183 Thursday, December 26, 2013 11:19 AM 
head loss at air diffused system Tiger 1 10199 Monday, July 5, 2010 11:55 AM 
floating sludge problem JC 1 10236 Saturday, April 24, 2010 6:42 PM 
color codes for equipment and pipes deepleveltrash 1 10354 Wednesday, March 31, 2010 4:38 PM 
High fecal coliform results Carmine Goneconte 7 10378 Sunday, November 13, 2011 10:59 PM 
Wastewater Blog Grant Weaver 5 10398 Monday, May 7, 2012 4:15 AM 
Control of algae growth on concrete with coatings? 01490632 0 10488 Tuesday, February 25, 2014 2:17 PM 
Portable Suspended Solids Analyzer 01471237 0 10662 Friday, August 16, 2013 9:42 AM 
W3QLAS Anaerobic Digestion/Solids Dewatering Process Control Workshop Victor Santa Cruz 0 10985 Thursday, January 21, 2010 8:24 PM 
reduction of flows cb 2 11340 Wednesday, January 27, 2010 9:24 AM 
Chlorine survival in activated sludge Jurek 6 11558 Sunday, November 13, 2011 11:03 PM 
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