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 11882 Friday, January 8, 2010 12:20 PM 
W3QLAS Activated Sludge Process Control Workshop Victor Santa Cruz 0 6998 Thursday, January 21, 2010 8:23 PM 
W3QLAS Anaerobic Digestion/Solids Dewatering Process Control Workshop Victor Santa Cruz 0 10884 Thursday, January 21, 2010 8:24 PM 
reduction of flows cb 2 11288 Wednesday, January 27, 2010 9:24 AM 
Sand filters Flow rate peak cals..... SHARIFF 1 9825 Tuesday, February 23, 2010 12:45 AM 
Request for Spiral Heat Exchanger experience Richard Roberts 0 9559 Monday, March 15, 2010 7:24 AM 
Outfall Shorezone Protection T. Butler 1 8312 Wednesday, March 17, 2010 12:14 PM 
color codes for equipment and pipes deepleveltrash 1 10227 Wednesday, March 31, 2010 4:38 PM 
Seasonal MLSS adjustment Joseph McDowell 2 15189 Sunday, April 11, 2010 2:01 PM 
floating sludge problem JC 1 10178 Saturday, April 24, 2010 6:42 PM 
grey slime in trickling filters & SBRs Todd Boling 0 9130 Saturday, May 1, 2010 4:19 PM 
Measuring grit accumulation in a tank Larry Dolamore 2 9427 Sunday, May 2, 2010 1:28 PM 
aerobic digester-very high solids-odor problem jim 4 12141 Sunday, May 16, 2010 5:13 PM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 9836 Friday, May 28, 2010 3:30 PM 
Bar screen upstream level sensor Larry Dolamore 2 9230 Friday, May 28, 2010 5:15 PM 
head loss at air diffused system Tiger 1 10210 Monday, July 5, 2010 11:55 AM 
disinfection with paracetic acid mgille 8 12733 Tuesday, July 6, 2010 10:33 AM 
Where to sell New Surplus Siemens Clarifier Drive ? surplusbuyer 1 8335 Saturday, July 24, 2010 1:33 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 12893 Sunday, July 25, 2010 9:08 PM 
transportation of dewatered alum sludge Doctor Sewage 0 7964 Monday, August 2, 2010 3:55 AM 
Digester Gas treatment, Sulfa Treat, Eco tec, Jenbacher Richard Roberts 0 5527 Wednesday, August 25, 2010 1:47 PM 
SBR Omniflow Jerry 0 7842 Thursday, August 26, 2010 3:34 PM 
Oxidation Ditch Structural Assesment watertech 1 7771 Wednesday, September 22, 2010 2:15 PM 
Flow verification James Royer 2 8219 Monday, October 25, 2010 12:34 PM 
SCADA advice needed Dennis Hudson 4 8571 Thursday, October 28, 2010 3:54 PM 
aerobic-anoxic operation ale 0 7530 Sunday, November 14, 2010 2:04 AM 
very low SVIs!! Deb 5 8580 Monday, November 29, 2010 5:55 PM 
Caroling Sewermen Victor Santa Cruz 0 7178 Wednesday, December 29, 2010 1:44 PM 
Wastewater operator training opportunity at Wausau, Wisconsin February 1, 2011. Terry 0 6817 Wednesday, January 5, 2011 9:15 AM 
Activated Sludge Process Control Workshop Victor Santa Cruz 1 6197 Wednesday, February 23, 2011 11:39 PM 
High COD Results evik 1 6487 Thursday, February 24, 2011 9:13 AM 
Lost of pressure Chief 8 6388 Tuesday, March 15, 2011 7:02 AM 
MBR sludge condition Elizabeth Lawrence 4 6596 Tuesday, March 22, 2011 10:29 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 12148 Sunday, April 3, 2011 6:07 AM 
excessive dark foam on aeration tanks Mark 3 9173 Tuesday, April 5, 2011 11:33 AM 
chemical phosphorus removal using alum david 1 5774 Thursday, April 7, 2011 1:54 PM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 6449 Tuesday, May 17, 2011 11:14 AM 
Free Webinar: The Science of Mixing and Maintaining Water Quality in Water Storage Tanks NRWA Webinar 0 6234 Tuesday, May 17, 2011 2:20 PM 
Pump Mixing Systems Anaerobic Digesters Christopher Morphey 0 6401 Tuesday, May 24, 2011 10:55 AM 
tank numbering h2ochem 1 5952 Sunday, June 26, 2011 1:22 PM 
Lining stainless steel air pipe Larry Dolamore 0 5460 Monday, June 27, 2011 9:13 AM 
In line nutrient monitoring mford 1 6080 Wednesday, July 6, 2011 9:16 AM 
managing activated sludge system during food shortage John Wang 2 8176 Wednesday, July 6, 2011 9:24 AM 
Quaternary Ammonium Compounds David Allen 3 12588 Monday, July 11, 2011 3:05 PM 
WASTEWATER MICROBIOLOGY & PROCESS CONTROL CLASS Terry 2 8299 Monday, August 8, 2011 1:17 PM 
Reseeding Nitrification/Denitrification Oxidation ditch Shannon Taylor 1 4858 Friday, August 19, 2011 10:46 AM 
2011 Southern Oregon Water and Wastewater Short School Victor Santa Cruz 0 4570 Tuesday, August 23, 2011 8:01 PM 
High Influent Sulfates Randy Siddens 0 5002 Tuesday, August 30, 2011 11:45 AM 
Anaerobic capability Matt Forbes 0 4403 Wednesday, September 7, 2011 11:00 PM 
Trash(tampons, etc.) problem land application Landbiosolid 1 6088 Tuesday, September 20, 2011 10:06 AM 
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