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
Operators Meeting in WI Terry 0 13807 Friday, January 8, 2010 12:20 PM 
W3QLAS Activated Sludge Process Control Workshop Victor Santa Cruz 0 8787 Thursday, January 21, 2010 8:23 PM 
W3QLAS Anaerobic Digestion/Solids Dewatering Process Control Workshop Victor Santa Cruz 0 12772 Thursday, January 21, 2010 8:24 PM 
reduction of flows cb 2 13193 Wednesday, January 27, 2010 9:24 AM 
Sand filters Flow rate peak cals..... SHARIFF 1 11710 Tuesday, February 23, 2010 12:45 AM 
Request for Spiral Heat Exchanger experience Richard Roberts 0 11403 Monday, March 15, 2010 7:24 AM 
Outfall Shorezone Protection T. Butler 1 10113 Wednesday, March 17, 2010 12:14 PM 
color codes for equipment and pipes deepleveltrash 1 12203 Wednesday, March 31, 2010 4:38 PM 
Seasonal MLSS adjustment Joseph McDowell 2 17228 Sunday, April 11, 2010 2:01 PM 
floating sludge problem JC 1 11900 Saturday, April 24, 2010 6:42 PM 
grey slime in trickling filters & SBRs Todd Boling 0 11011 Saturday, May 1, 2010 4:19 PM 
Measuring grit accumulation in a tank Larry Dolamore 2 11296 Sunday, May 2, 2010 1:28 PM 
aerobic digester-very high solids-odor problem jim 4 14196 Sunday, May 16, 2010 5:13 PM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 11566 Friday, May 28, 2010 3:30 PM 
Bar screen upstream level sensor Larry Dolamore 2 9691 Friday, May 28, 2010 5:15 PM 
head loss at air diffused system Tiger 1 11979 Monday, July 5, 2010 11:55 AM 
disinfection with paracetic acid mgille 8 14572 Tuesday, July 6, 2010 10:33 AM 
Where to sell New Surplus Siemens Clarifier Drive ? surplusbuyer 1 10169 Saturday, July 24, 2010 1:33 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 15497 Sunday, July 25, 2010 9:08 PM 
transportation of dewatered alum sludge Doctor Sewage 0 9749 Monday, August 2, 2010 3:55 AM 
Digester Gas treatment, Sulfa Treat, Eco tec, Jenbacher Richard Roberts 0 7435 Wednesday, August 25, 2010 1:47 PM 
SBR Omniflow Jerry 0 9688 Thursday, August 26, 2010 3:34 PM 
Oxidation Ditch Structural Assesment watertech 1 9540 Wednesday, September 22, 2010 2:15 PM 
Flow verification James Royer 2 10136 Monday, October 25, 2010 12:34 PM 
SCADA advice needed Dennis Hudson 4 10462 Thursday, October 28, 2010 3:54 PM 
aerobic-anoxic operation ale 0 11234 Sunday, November 14, 2010 2:04 AM 
very low SVIs!! Deb 5 10424 Monday, November 29, 2010 5:55 PM 
Caroling Sewermen Victor Santa Cruz 0 9111 Wednesday, December 29, 2010 1:44 PM 
Wastewater operator training opportunity at Wausau, Wisconsin February 1, 2011. Terry 0 8865 Wednesday, January 5, 2011 9:15 AM 
Activated Sludge Process Control Workshop Victor Santa Cruz 1 8073 Wednesday, February 23, 2011 11:39 PM 
High COD Results evik 1 8331 Thursday, February 24, 2011 9:13 AM 
Lost of pressure Chief 8 8107 Tuesday, March 15, 2011 7:02 AM 
MBR sludge condition Elizabeth Lawrence 4 8493 Tuesday, March 22, 2011 10:29 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 14151 Sunday, April 3, 2011 6:07 AM 
excessive dark foam on aeration tanks Mark 3 11018 Tuesday, April 5, 2011 11:33 AM 
chemical phosphorus removal using alum david 1 7616 Thursday, April 7, 2011 1:54 PM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 8349 Tuesday, May 17, 2011 11:14 AM 
Free Webinar: The Science of Mixing and Maintaining Water Quality in Water Storage Tanks NRWA Webinar 0 8065 Tuesday, May 17, 2011 2:20 PM 
Pump Mixing Systems Anaerobic Digesters Christopher Morphey 0 8338 Tuesday, May 24, 2011 10:55 AM 
tank numbering h2ochem 1 7755 Sunday, June 26, 2011 1:22 PM 
Lining stainless steel air pipe Larry Dolamore 0 7220 Monday, June 27, 2011 9:13 AM 
In line nutrient monitoring mford 1 7899 Wednesday, July 6, 2011 9:16 AM 
managing activated sludge system during food shortage John Wang 2 10131 Wednesday, July 6, 2011 9:24 AM 
Quaternary Ammonium Compounds David Allen 3 14531 Monday, July 11, 2011 3:05 PM 
WASTEWATER MICROBIOLOGY & PROCESS CONTROL CLASS Terry 2 8604 Monday, August 8, 2011 1:17 PM 
Reseeding Nitrification/Denitrification Oxidation ditch Shannon Taylor 1 6638 Friday, August 19, 2011 10:46 AM 
2011 Southern Oregon Water and Wastewater Short School Victor Santa Cruz 0 6330 Tuesday, August 23, 2011 8:01 PM 
High Influent Sulfates Randy Siddens 0 6779 Tuesday, August 30, 2011 11:45 AM 
Anaerobic capability Matt Forbes 0 6572 Wednesday, September 7, 2011 11:00 PM 
Trash(tampons, etc.) problem land application Landbiosolid 1 8068 Tuesday, September 20, 2011 10:06 AM 
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