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 

RSS Feed Search
Operation and Maintenance
  Topics Topic Starter Replies Views Last Post
Seasonal MLSS adjustment Joseph McDowell 2 18121 Sunday, April 11, 2010 2:01 PM 
Control of algae growth on concrete with coatings? 01490632 0 17955 Tuesday, February 25, 2014 2:17 PM 
Nitrate Lock Extended aeration Paul Robertson 0 17676 Thursday, December 26, 2013 11:19 AM 
Portable Suspended Solids Analyzer 01471237 0 17655 Friday, August 16, 2013 9:42 AM 
Chemical Phosphorus Removal Tyrone McCabe 6 16589 Sunday, July 25, 2010 9:08 PM 
disinfection with paracetic acid mgille 8 15490 Tuesday, July 6, 2010 10:33 AM 
Quaternary Ammonium Compounds David Allen 3 15390 Monday, July 11, 2011 3:05 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 15152 Sunday, April 3, 2011 6:07 AM 
aerobic digester-very high solids-odor problem jim 4 15109 Sunday, May 16, 2010 5:13 PM 
Wastewater Blog Grant Weaver 5 14867 Monday, May 7, 2012 4:15 AM 
Operators Meeting in WI Terry 0 14746 Friday, January 8, 2010 12:20 PM 
Chlorine survival in activated sludge Jurek 6 14674 Sunday, November 13, 2011 11:03 PM 
High fecal coliform results Carmine Goneconte 7 13996 Sunday, November 13, 2011 10:59 PM 
reduction of flows cb 2 13988 Wednesday, January 27, 2010 9:24 AM 
Alien Bugs(2) 01663302 0 13984 Monday, December 23, 2013 10:09 AM 
W3QLAS Anaerobic Digestion/Solids Dewatering Process Control Workshop Victor Santa Cruz 0 13616 Thursday, January 21, 2010 8:24 PM 
color codes for equipment and pipes deepleveltrash 1 13441 Wednesday, March 31, 2010 4:38 PM 
Digester Gas Piping GB Gehrke 6 13438 Wednesday, November 23, 2011 7:45 AM 
Polyethylene Glycol Treatability Keith Chapman 1 13300 Friday, November 25, 2011 1:56 AM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 13196 Saturday, November 26, 2011 10:20 AM 
P.H. Problems D.Mak 6 12922 Wednesday, September 21, 2011 7:27 AM 
head loss at air diffused system Tiger 1 12783 Monday, July 5, 2010 11:55 AM 
floating sludge problem JC 1 12690 Saturday, April 24, 2010 6:42 PM 
BNR Internal Recycle Cooper 0 12556 Wednesday, January 28, 2015 8:27 PM 
aerobic-anoxic operation ale 0 12553 Sunday, November 14, 2010 2:04 AM 
Sand filters Flow rate peak cals..... SHARIFF 1 12510 Tuesday, February 23, 2010 12:45 AM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 12365 Friday, May 28, 2010 3:30 PM 
Request for Spiral Heat Exchanger experience Richard Roberts 0 12200 Monday, March 15, 2010 7:24 AM 
Measuring grit accumulation in a tank Larry Dolamore 2 12095 Sunday, May 2, 2010 1:28 PM 
excessive dark foam on aeration tanks Mark 3 11852 Tuesday, April 5, 2011 11:33 AM 
Primary clarifier chain Chris 4 11831 Sunday, November 13, 2011 11:02 PM 
grey slime in trickling filters & SBRs Todd Boling 0 11826 Saturday, May 1, 2010 4:19 PM 
ORP control Mark Milne 2 11605 Friday, November 25, 2011 1:57 AM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 11447 Sunday, November 13, 2011 11:00 PM 
SCADA advice needed Dennis Hudson 4 11324 Thursday, October 28, 2010 3:54 PM 
very low SVIs!! Deb 5 11250 Monday, November 29, 2010 5:55 PM 
Flow verification James Royer 2 11149 Monday, October 25, 2010 12:34 PM 
managing activated sludge system during food shortage John Wang 2 11015 Wednesday, July 6, 2011 9:24 AM 
Where to sell New Surplus Siemens Clarifier Drive ? surplusbuyer 1 10965 Saturday, July 24, 2010 1:33 PM 
Outfall Shorezone Protection T. Butler 1 10951 Wednesday, March 17, 2010 12:14 PM 
Decanting solds & scum Dwayne 1 10640 Friday, June 19, 2015 6:28 AM 
transportation of dewatered alum sludge Doctor Sewage 0 10541 Monday, August 2, 2010 3:55 AM 
SBR Omniflow Jerry 0 10496 Thursday, August 26, 2010 3:34 PM 
Bar screen upstream level sensor Larry Dolamore 2 10460 Friday, May 28, 2010 5:15 PM 
Oxidation Ditch Structural Assesment watertech 1 10356 Wednesday, September 22, 2010 2:15 PM 
Caroling Sewermen Victor Santa Cruz 0 10109 Wednesday, December 29, 2010 1:44 PM 
Frozen tank Deerfield Wastewater 1 10011 Sunday, November 13, 2011 11:01 PM 
Request for info regarding Trojan UV systems T.O.C. 5 9903 Friday, August 10, 2012 2:22 PM 
Wastewater operator training opportunity at Wausau, Wisconsin February 1, 2011. Terry 0 9883 Wednesday, January 5, 2011 9:15 AM 
W3QLAS Activated Sludge Process Control Workshop Victor Santa Cruz 0 9694 Thursday, January 21, 2010 8:23 PM 
 1 2 3 Next