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 15054 Sunday, April 11, 2010 2:01 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 12698 Sunday, July 25, 2010 9:08 PM 
disinfection with paracetic acid mgille 8 12503 Tuesday, July 6, 2010 10:33 AM 
Quaternary Ammonium Compounds David Allen 3 12357 Monday, July 11, 2011 3:05 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 12000 Sunday, April 3, 2011 6:07 AM 
aerobic digester-very high solids-odor problem jim 4 11965 Sunday, May 16, 2010 5:13 PM 
Operators Meeting in WI Terry 0 11672 Friday, January 8, 2010 12:20 PM 
Digester Gas Piping GB Gehrke 6 11414 Wednesday, November 23, 2011 7:45 AM 
Chlorine survival in activated sludge Jurek 6 11377 Sunday, November 13, 2011 11:03 PM 
reduction of flows cb 2 11128 Wednesday, January 27, 2010 9:24 AM 
W3QLAS Anaerobic Digestion/Solids Dewatering Process Control Workshop Victor Santa Cruz 0 10727 Thursday, January 21, 2010 8:24 PM 
color codes for equipment and pipes deepleveltrash 1 10082 Wednesday, March 31, 2010 4:38 PM 
High fecal coliform results Carmine Goneconte 7 10081 Sunday, November 13, 2011 10:59 PM 
head loss at air diffused system Tiger 1 10012 Monday, July 5, 2010 11:55 AM 
Wastewater Blog Grant Weaver 5 10010 Monday, May 7, 2012 4:15 AM 
floating sludge problem JC 1 9991 Saturday, April 24, 2010 6:42 PM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 9969 Sunday, November 13, 2011 11:00 PM 
P.H. Problems D.Mak 6 9777 Wednesday, September 21, 2011 7:27 AM 
Polyethylene Glycol Treatability Keith Chapman 1 9727 Friday, November 25, 2011 1:56 AM 
Sand filters Flow rate peak cals..... SHARIFF 1 9691 Tuesday, February 23, 2010 12:45 AM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 9613 Friday, May 28, 2010 3:30 PM 
Request for Spiral Heat Exchanger experience Richard Roberts 0 9460 Monday, March 15, 2010 7:24 AM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 9454 Saturday, November 26, 2011 10:20 AM 
Measuring grit accumulation in a tank Larry Dolamore 2 9280 Sunday, May 2, 2010 1:28 PM 
Bar screen upstream level sensor Larry Dolamore 2 9077 Friday, May 28, 2010 5:15 PM 
excessive dark foam on aeration tanks Mark 3 8993 Tuesday, April 5, 2011 11:33 AM 
grey slime in trickling filters & SBRs Todd Boling 0 8954 Saturday, May 1, 2010 4:19 PM 
Primary clarifier chain Chris 4 8670 Sunday, November 13, 2011 11:02 PM 
very low SVIs!! Deb 5 8426 Monday, November 29, 2010 5:55 PM 
SCADA advice needed Dennis Hudson 4 8425 Thursday, October 28, 2010 3:54 PM 
Request for info regarding Trojan UV systems T.O.C. 5 8293 Friday, August 10, 2012 2:22 PM 
ORP control Mark Milne 2 8243 Friday, November 25, 2011 1:57 AM 
Where to sell New Surplus Siemens Clarifier Drive ? surplusbuyer 1 8177 Saturday, July 24, 2010 1:33 PM 
Outfall Shorezone Protection T. Butler 1 8131 Wednesday, March 17, 2010 12:14 PM 
Flow verification James Royer 2 8096 Monday, October 25, 2010 12:34 PM 
WASTEWATER MICROBIOLOGY & PROCESS CONTROL CLASS Terry 2 8052 Monday, August 8, 2011 1:17 PM 
managing activated sludge system during food shortage John Wang 2 8023 Wednesday, July 6, 2011 9:24 AM 
transportation of dewatered alum sludge Doctor Sewage 0 7820 Monday, August 2, 2010 3:55 AM 
SBR Omniflow Jerry 0 7718 Thursday, August 26, 2010 3:34 PM 
Oxidation Ditch Structural Assesment watertech 1 7571 Wednesday, September 22, 2010 2:15 PM 
aerobic-anoxic operation ale 0 7243 Sunday, November 14, 2010 2:04 AM 
Frozen tank Deerfield Wastewater 1 7162 Sunday, November 13, 2011 11:01 PM 
Caroling Sewermen Victor Santa Cruz 0 7042 Wednesday, December 29, 2010 1:44 PM 
W3QLAS Activated Sludge Process Control Workshop Victor Santa Cruz 0 6711 Thursday, January 21, 2010 8:23 PM 
Wastewater operator training opportunity at Wausau, Wisconsin February 1, 2011. Terry 0 6691 Wednesday, January 5, 2011 9:15 AM 
MBR sludge condition Elizabeth Lawrence 4 6439 Tuesday, March 22, 2011 10:29 PM 
High COD Results evik 1 6409 Thursday, February 24, 2011 9:13 AM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 6302 Tuesday, May 17, 2011 11:14 AM 
Pump Mixing Systems Anaerobic Digesters Christopher Morphey 0 6227 Tuesday, May 24, 2011 10:55 AM 
Lost of pressure Chief 8 6166 Tuesday, March 15, 2011 7:02 AM 
 1 2 3 Next