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 15107 Sunday, April 11, 2010 2:01 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 12749 Sunday, July 25, 2010 9:08 PM 
disinfection with paracetic acid mgille 8 12551 Tuesday, July 6, 2010 10:33 AM 
Quaternary Ammonium Compounds David Allen 3 12379 Monday, July 11, 2011 3:05 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 12051 Sunday, April 3, 2011 6:07 AM 
aerobic digester-very high solids-odor problem jim 4 12015 Sunday, May 16, 2010 5:13 PM 
Operators Meeting in WI Terry 0 11702 Friday, January 8, 2010 12:20 PM 
Digester Gas Piping GB Gehrke 6 11481 Wednesday, November 23, 2011 7:45 AM 
Chlorine survival in activated sludge Jurek 6 11401 Sunday, November 13, 2011 11:03 PM 
reduction of flows cb 2 11171 Wednesday, January 27, 2010 9:24 AM 
W3QLAS Anaerobic Digestion/Solids Dewatering Process Control Workshop Victor Santa Cruz 0 10859 Thursday, January 21, 2010 8:24 PM 
High fecal coliform results Carmine Goneconte 7 10195 Sunday, November 13, 2011 10:59 PM 
color codes for equipment and pipes deepleveltrash 1 10157 Wednesday, March 31, 2010 4:38 PM 
Wastewater Blog Grant Weaver 5 10136 Monday, May 7, 2012 4:15 AM 
head loss at air diffused system Tiger 1 10072 Monday, July 5, 2010 11:55 AM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 10068 Sunday, November 13, 2011 11:00 PM 
floating sludge problem JC 1 10045 Saturday, April 24, 2010 6:42 PM 
P.H. Problems D.Mak 6 9814 Wednesday, September 21, 2011 7:27 AM 
Sand filters Flow rate peak cals..... SHARIFF 1 9805 Tuesday, February 23, 2010 12:45 AM 
Polyethylene Glycol Treatability Keith Chapman 1 9800 Friday, November 25, 2011 1:56 AM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 9663 Friday, May 28, 2010 3:30 PM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 9471 Saturday, November 26, 2011 10:20 AM 
Request for Spiral Heat Exchanger experience Richard Roberts 0 9461 Monday, March 15, 2010 7:24 AM 
Measuring grit accumulation in a tank Larry Dolamore 2 9335 Sunday, May 2, 2010 1:28 PM 
Bar screen upstream level sensor Larry Dolamore 2 9130 Friday, May 28, 2010 5:15 PM 
excessive dark foam on aeration tanks Mark 3 9039 Tuesday, April 5, 2011 11:33 AM 
grey slime in trickling filters & SBRs Todd Boling 0 8998 Saturday, May 1, 2010 4:19 PM 
Primary clarifier chain Chris 4 8724 Sunday, November 13, 2011 11:02 PM 
very low SVIs!! Deb 5 8486 Monday, November 29, 2010 5:55 PM 
SCADA advice needed Dennis Hudson 4 8474 Thursday, October 28, 2010 3:54 PM 
Request for info regarding Trojan UV systems T.O.C. 5 8359 Friday, August 10, 2012 2:22 PM 
ORP control Mark Milne 2 8313 Friday, November 25, 2011 1:57 AM 
Where to sell New Surplus Siemens Clarifier Drive ? surplusbuyer 1 8270 Saturday, July 24, 2010 1:33 PM 
Outfall Shorezone Protection T. Butler 1 8200 Wednesday, March 17, 2010 12:14 PM 
Flow verification James Royer 2 8149 Monday, October 25, 2010 12:34 PM 
WASTEWATER MICROBIOLOGY & PROCESS CONTROL CLASS Terry 2 8116 Monday, August 8, 2011 1:17 PM 
managing activated sludge system during food shortage John Wang 2 8079 Wednesday, July 6, 2011 9:24 AM 
transportation of dewatered alum sludge Doctor Sewage 0 7875 Monday, August 2, 2010 3:55 AM 
SBR Omniflow Jerry 0 7768 Thursday, August 26, 2010 3:34 PM 
Oxidation Ditch Structural Assesment watertech 1 7636 Wednesday, September 22, 2010 2:15 PM 
aerobic-anoxic operation ale 0 7310 Sunday, November 14, 2010 2:04 AM 
Frozen tank Deerfield Wastewater 1 7175 Sunday, November 13, 2011 11:01 PM 
Caroling Sewermen Victor Santa Cruz 0 7079 Wednesday, December 29, 2010 1:44 PM 
Portable Suspended Solids Analyzer 01471237 0 6910 Friday, August 16, 2013 9:42 AM 
W3QLAS Activated Sludge Process Control Workshop Victor Santa Cruz 0 6797 Thursday, January 21, 2010 8:23 PM 
Wastewater operator training opportunity at Wausau, Wisconsin February 1, 2011. Terry 0 6786 Wednesday, January 5, 2011 9:15 AM 
MBR sludge condition Elizabeth Lawrence 4 6489 Tuesday, March 22, 2011 10:29 PM 
High COD Results evik 1 6416 Thursday, February 24, 2011 9:13 AM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 6344 Tuesday, May 17, 2011 11:14 AM 
Pump Mixing Systems Anaerobic Digesters Christopher Morphey 0 6335 Tuesday, May 24, 2011 10:55 AM 
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