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 16548 Thursday, December 26, 2013 11:19 AM 
Mercury Control Jason Graham 0 6129 Tuesday, November 29, 2011 2:09 PM 
Measuring grit accumulation in a tank Larry Dolamore 2 11229 Sunday, May 2, 2010 1:28 PM 
MBR sludge condition Elizabeth Lawrence 4 8399 Tuesday, March 22, 2011 10:29 PM 
MBBR Media Tatya Tope 2 7142 Thursday, October 27, 2011 4:03 PM 
managing activated sludge system during food shortage John Wang 2 10037 Wednesday, July 6, 2011 9:24 AM 
Lost of pressure Chief 8 8042 Tuesday, March 15, 2011 7:02 AM 
Log Sheet Data Rock 1 3671 Tuesday, June 12, 2012 1:37 PM 
Lining stainless steel air pipe Larry Dolamore 0 7152 Monday, June 27, 2011 9:13 AM 
Isopropanol issues 01797999 1 6379 Tuesday, August 28, 2012 2:38 PM 
In line nutrient monitoring mford 1 7834 Wednesday, July 6, 2011 9:16 AM 
High Influent Sulfates Randy Siddens 0 6706 Tuesday, August 30, 2011 11:45 AM 
High fecal coliform results Carmine Goneconte 7 12914 Sunday, November 13, 2011 10:59 PM 
High DO in Lagoons Kit Roush 2 6047 Tuesday, June 19, 2012 12:38 PM 
High COD Results evik 1 8261 Thursday, February 24, 2011 9:13 AM 
head loss at air diffused system Tiger 1 11919 Monday, July 5, 2010 11:55 AM 
Grit pipeline and with pinch valves sandra 0 686 Wednesday, April 13, 2016 12:21 PM 
grey slime in trickling filters & SBRs Todd Boling 0 10891 Saturday, May 1, 2010 4:19 PM 
Frozen tank Deerfield Wastewater 1 9123 Sunday, November 13, 2011 11:01 PM 
Free Webinar: The Science of Mixing and Maintaining Water Quality in Water Storage Tanks NRWA Webinar 0 8001 Tuesday, May 17, 2011 2:20 PM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 8274 Tuesday, May 17, 2011 11:14 AM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 2063 Sunday, May 20, 2012 11:25 AM 
FOG Causing Primary Clarifier Failures(4) Erwin Bonatz 0 3189 Monday, May 14, 2012 10:44 AM 
FOG Causing Primary Clarifier Failures(2) Erwin Bonatz 0 3223 Monday, May 14, 2012 10:38 AM 
Flow verification James Royer 2 10066 Monday, October 25, 2010 12:34 PM 
flow meter calibration - that is requires reporting to the regulators? 01782191 0 4390 Tuesday, October 16, 2012 9:55 PM 
flow meter calibration - Requires reporting to the regulators? 01782191 0 5722 Wednesday, October 17, 2012 5:35 PM 
floating sludge problem JC 1 11830 Saturday, April 24, 2010 6:42 PM 
Filiment Problem (O21N) Can't pinpoint the cause...Help. Daniel Knox 0 3277 Tuesday, June 26, 2012 9:52 AM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 2581 Sunday, April 14, 2013 7:02 PM 
excessive dark foam on aeration tanks Mark 3 10951 Tuesday, April 5, 2011 11:33 AM 
envirofilt JK 0 6077 Sunday, December 11, 2011 6:52 PM 
Energy-Water Nexus and Pumps(2) KVertovec 0 4713 Friday, February 17, 2012 3:16 PM 
Energy-Water Nexus and Pumps KVertovec 0 4395 Friday, February 17, 2012 3:12 PM 
disinfection with paracetic acid mgille 8 14505 Tuesday, July 6, 2010 10:33 AM 
Digester Piping Phosphate Scaling Inspection. Nash 0 5457 Wednesday, November 23, 2011 7:48 AM 
Digester Gas treatment, Sulfa Treat, Eco tec, Jenbacher Richard Roberts 0 7371 Wednesday, August 25, 2010 1:47 PM 
Digester Gas Piping GB Gehrke 6 12101 Wednesday, November 23, 2011 7:45 AM 
Determining the settlement tank's volume Hajar 0 5959 Tuesday, September 25, 2012 7:55 PM 
Decanting solds & scum Dwayne 1 9425 Friday, June 19, 2015 6:28 AM 
Dam Odours Nick 0 6356 Tuesday, November 29, 2011 7:24 PM 
Control of algae growth on concrete with coatings? 01490632 0 16824 Tuesday, February 25, 2014 2:17 PM 
color codes for equipment and pipes deepleveltrash 1 12125 Wednesday, March 31, 2010 4:38 PM 
Chlorine survival in activated sludge Jurek 6 13553 Sunday, November 13, 2011 11:03 PM 
chemical phosphorus removal using alum david 1 7550 Thursday, April 7, 2011 1:54 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 15424 Sunday, July 25, 2010 9:08 PM 
Caroling Sewermen Victor Santa Cruz 0 9043 Wednesday, December 29, 2010 1:44 PM 
buried natural gas piping condition assessment T. Butler 1 6364 Tuesday, December 13, 2011 12:08 PM 
BNR Internal Recycle Cooper 0 11408 Wednesday, January 28, 2015 8:27 PM 
Bar screen upstream level sensor Larry Dolamore 2 9621 Friday, May 28, 2010 5:15 PM 
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