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
Nitrate Lock Extended aeration Paul Robertson 0 16057 Thursday, December 26, 2013 11:19 AM 
Mercury Control Jason Graham 0 5628 Tuesday, November 29, 2011 2:09 PM 
Measuring grit accumulation in a tank Larry Dolamore 2 10819 Sunday, May 2, 2010 1:28 PM 
MBR sludge condition Elizabeth Lawrence 4 7976 Tuesday, March 22, 2011 10:29 PM 
MBBR Media Tatya Tope 2 6747 Thursday, October 27, 2011 4:03 PM 
managing activated sludge system during food shortage John Wang 2 9559 Wednesday, July 6, 2011 9:24 AM 
Lost of pressure Chief 8 7659 Tuesday, March 15, 2011 7:02 AM 
Log Sheet Data Rock 1 3197 Tuesday, June 12, 2012 1:37 PM 
Lining stainless steel air pipe Larry Dolamore 0 6786 Monday, June 27, 2011 9:13 AM 
Isopropanol issues 01797999 1 5934 Tuesday, August 28, 2012 2:38 PM 
In line nutrient monitoring mford 1 7445 Wednesday, July 6, 2011 9:16 AM 
High Influent Sulfates Randy Siddens 0 6328 Tuesday, August 30, 2011 11:45 AM 
High fecal coliform results Carmine Goneconte 7 12101 Sunday, November 13, 2011 10:59 PM 
High DO in Lagoons Kit Roush 2 5562 Tuesday, June 19, 2012 12:38 PM 
High COD Results evik 1 7858 Thursday, February 24, 2011 9:13 AM 
head loss at air diffused system Tiger 1 11529 Monday, July 5, 2010 11:55 AM 
Grit pipeline and with pinch valves sandra 0 258 Wednesday, April 13, 2016 12:21 PM 
grey slime in trickling filters & SBRs Todd Boling 0 10478 Saturday, May 1, 2010 4:19 PM 
Frozen tank Deerfield Wastewater 1 8726 Sunday, November 13, 2011 11:01 PM 
Free Webinar: The Science of Mixing and Maintaining Water Quality in Water Storage Tanks NRWA Webinar 0 7522 Tuesday, May 17, 2011 2:20 PM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 7840 Tuesday, May 17, 2011 11:14 AM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 3315 Sunday, May 20, 2012 11:25 AM 
FOG Causing Primary Clarifier Failures(4) Erwin Bonatz 0 2721 Monday, May 14, 2012 10:44 AM 
FOG Causing Primary Clarifier Failures(2) Erwin Bonatz 0 2761 Monday, May 14, 2012 10:38 AM 
Flow verification James Royer 2 9658 Monday, October 25, 2010 12:34 PM 
flow meter calibration - that is requires reporting to the regulators? 01782191 0 3937 Tuesday, October 16, 2012 9:55 PM 
flow meter calibration - Requires reporting to the regulators? 01782191 0 5288 Wednesday, October 17, 2012 5:35 PM 
floating sludge problem JC 1 11456 Saturday, April 24, 2010 6:42 PM 
Filiment Problem (O21N) Can't pinpoint the cause...Help. Daniel Knox 0 2835 Tuesday, June 26, 2012 9:52 AM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 3850 Sunday, April 14, 2013 7:02 PM 
excessive dark foam on aeration tanks Mark 3 10539 Tuesday, April 5, 2011 11:33 AM 
envirofilt JK 0 5550 Sunday, December 11, 2011 6:52 PM 
Energy-Water Nexus and Pumps(2) KVertovec 0 4268 Friday, February 17, 2012 3:16 PM 
Energy-Water Nexus and Pumps KVertovec 0 3931 Friday, February 17, 2012 3:12 PM 
disinfection with paracetic acid mgille 8 14085 Tuesday, July 6, 2010 10:33 AM 
Digester Piping Phosphate Scaling Inspection. Nash 0 4969 Wednesday, November 23, 2011 7:48 AM 
Digester Gas treatment, Sulfa Treat, Eco tec, Jenbacher Richard Roberts 0 6955 Wednesday, August 25, 2010 1:47 PM 
Digester Gas Piping GB Gehrke 6 13273 Wednesday, November 23, 2011 7:45 AM 
Determining the settlement tank's volume Hajar 0 5517 Tuesday, September 25, 2012 7:55 PM 
Decanting solds & scum Dwayne 1 8925 Friday, June 19, 2015 6:28 AM 
Dam Odours Nick 0 5866 Tuesday, November 29, 2011 7:24 PM 
Control of algae growth on concrete with coatings? 01490632 0 16354 Tuesday, February 25, 2014 2:17 PM 
color codes for equipment and pipes deepleveltrash 1 11623 Wednesday, March 31, 2010 4:38 PM 
Chlorine survival in activated sludge Jurek 6 13098 Sunday, November 13, 2011 11:03 PM 
chemical phosphorus removal using alum david 1 7159 Thursday, April 7, 2011 1:54 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 14843 Sunday, July 25, 2010 9:08 PM 
Caroling Sewermen Victor Santa Cruz 0 8587 Wednesday, December 29, 2010 1:44 PM 
buried natural gas piping condition assessment T. Butler 1 5824 Tuesday, December 13, 2011 12:08 PM 
BNR Internal Recycle Cooper 0 10932 Wednesday, January 28, 2015 8:27 PM 
Bar screen upstream level sensor Larry Dolamore 2 10556 Friday, May 28, 2010 5:15 PM 
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