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 11744 Friday, January 8, 2010 12:20 PM 
W3QLAS Activated Sludge Process Control Workshop Victor Santa Cruz 0 6852 Thursday, January 21, 2010 8:23 PM 
W3QLAS Anaerobic Digestion/Solids Dewatering Process Control Workshop Victor Santa Cruz 0 10858 Thursday, January 21, 2010 8:24 PM 
reduction of flows cb 2 11256 Wednesday, January 27, 2010 9:24 AM 
Sand filters Flow rate peak cals..... SHARIFF 1 9962 Tuesday, February 23, 2010 12:45 AM 
Request for Spiral Heat Exchanger experience Richard Roberts 0 9515 Monday, March 15, 2010 7:24 AM 
Outfall Shorezone Protection T. Butler 1 8242 Wednesday, March 17, 2010 12:14 PM 
color codes for equipment and pipes deepleveltrash 1 10216 Wednesday, March 31, 2010 4:38 PM 
Seasonal MLSS adjustment Joseph McDowell 2 15305 Sunday, April 11, 2010 2:01 PM 
floating sludge problem JC 1 10211 Saturday, April 24, 2010 6:42 PM 
grey slime in trickling filters & SBRs Todd Boling 0 9077 Saturday, May 1, 2010 4:19 PM 
Measuring grit accumulation in a tank Larry Dolamore 2 9421 Sunday, May 2, 2010 1:28 PM 
aerobic digester-very high solids-odor problem jim 4 12108 Sunday, May 16, 2010 5:13 PM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 9879 Friday, May 28, 2010 3:30 PM 
Bar screen upstream level sensor Larry Dolamore 2 9191 Friday, May 28, 2010 5:15 PM 
head loss at air diffused system Tiger 1 10166 Monday, July 5, 2010 11:55 AM 
disinfection with paracetic acid mgille 8 12776 Tuesday, July 6, 2010 10:33 AM 
Where to sell New Surplus Siemens Clarifier Drive ? surplusbuyer 1 8301 Saturday, July 24, 2010 1:33 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 12971 Sunday, July 25, 2010 9:08 PM 
transportation of dewatered alum sludge Doctor Sewage 0 7944 Monday, August 2, 2010 3:55 AM 
Digester Gas treatment, Sulfa Treat, Eco tec, Jenbacher Richard Roberts 0 5605 Wednesday, August 25, 2010 1:47 PM 
SBR Omniflow Jerry 0 7966 Thursday, August 26, 2010 3:34 PM 
Oxidation Ditch Structural Assesment watertech 1 7711 Wednesday, September 22, 2010 2:15 PM 
Flow verification James Royer 2 8264 Monday, October 25, 2010 12:34 PM 
SCADA advice needed Dennis Hudson 4 8555 Thursday, October 28, 2010 3:54 PM 
aerobic-anoxic operation ale 0 7431 Sunday, November 14, 2010 2:04 AM 
very low SVIs!! Deb 5 8564 Monday, November 29, 2010 5:55 PM 
Caroling Sewermen Victor Santa Cruz 0 7111 Wednesday, December 29, 2010 1:44 PM 
Wastewater operator training opportunity at Wausau, Wisconsin February 1, 2011. Terry 0 6807 Wednesday, January 5, 2011 9:15 AM 
Activated Sludge Process Control Workshop Victor Santa Cruz 1 6054 Wednesday, February 23, 2011 11:39 PM 
High COD Results evik 1 6536 Thursday, February 24, 2011 9:13 AM 
Lost of pressure Chief 8 6438 Tuesday, March 15, 2011 7:02 AM 
MBR sludge condition Elizabeth Lawrence 4 6570 Tuesday, March 22, 2011 10:29 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 12136 Sunday, April 3, 2011 6:07 AM 
excessive dark foam on aeration tanks Mark 3 9101 Tuesday, April 5, 2011 11:33 AM 
chemical phosphorus removal using alum david 1 5753 Thursday, April 7, 2011 1:54 PM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 6431 Tuesday, May 17, 2011 11:14 AM 
Free Webinar: The Science of Mixing and Maintaining Water Quality in Water Storage Tanks NRWA Webinar 0 6131 Tuesday, May 17, 2011 2:20 PM 
Pump Mixing Systems Anaerobic Digesters Christopher Morphey 0 6351 Tuesday, May 24, 2011 10:55 AM 
tank numbering h2ochem 1 6033 Sunday, June 26, 2011 1:22 PM 
Lining stainless steel air pipe Larry Dolamore 0 5568 Monday, June 27, 2011 9:13 AM 
In line nutrient monitoring mford 1 6037 Wednesday, July 6, 2011 9:16 AM 
managing activated sludge system during food shortage John Wang 2 8156 Wednesday, July 6, 2011 9:24 AM 
Quaternary Ammonium Compounds David Allen 3 12597 Monday, July 11, 2011 3:05 PM 
WASTEWATER MICROBIOLOGY & PROCESS CONTROL CLASS Terry 2 8185 Monday, August 8, 2011 1:17 PM 
Reseeding Nitrification/Denitrification Oxidation ditch Shannon Taylor 1 4822 Friday, August 19, 2011 10:46 AM 
2011 Southern Oregon Water and Wastewater Short School Victor Santa Cruz 0 4532 Tuesday, August 23, 2011 8:01 PM 
High Influent Sulfates Randy Siddens 0 5090 Tuesday, August 30, 2011 11:45 AM 
Anaerobic capability Matt Forbes 0 4307 Wednesday, September 7, 2011 11:00 PM 
Trash(tampons, etc.) problem land application Landbiosolid 1 6168 Tuesday, September 20, 2011 10:06 AM 
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