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 

RSS Feed Search
Operation and Maintenance
  Topics Topic Starter Replies Views Last Post
Mercury Control Jason Graham 0 3860 Tuesday, November 29, 2011 2:09 PM 
Measuring grit accumulation in a tank Larry Dolamore 2 9361 Sunday, May 2, 2010 1:28 PM 
MBR sludge condition Elizabeth Lawrence 4 6509 Tuesday, March 22, 2011 10:29 PM 
MBBR Media Tatya Tope 2 5280 Thursday, October 27, 2011 4:03 PM 
managing activated sludge system during food shortage John Wang 2 8096 Wednesday, July 6, 2011 9:24 AM 
Lost of pressure Chief 8 6238 Tuesday, March 15, 2011 7:02 AM 
Log Sheet Data Rock 1 1410 Tuesday, June 12, 2012 1:37 PM 
Lining stainless steel air pipe Larry Dolamore 0 5390 Monday, June 27, 2011 9:13 AM 
Isopropanol issues 01797999 1 4143 Tuesday, August 28, 2012 2:38 PM 
In line nutrient monitoring mford 1 5998 Wednesday, July 6, 2011 9:16 AM 
High Influent Sulfates Randy Siddens 0 4902 Tuesday, August 30, 2011 11:45 AM 
High fecal coliform results Carmine Goneconte 7 10196 Sunday, November 13, 2011 10:59 PM 
High DO in Lagoons Kit Roush 2 3728 Tuesday, June 19, 2012 12:38 PM 
High COD Results evik 1 6430 Thursday, February 24, 2011 9:13 AM 
head loss at air diffused system Tiger 1 10078 Monday, July 5, 2010 11:55 AM 
grey slime in trickling filters & SBRs Todd Boling 0 9015 Saturday, May 1, 2010 4:19 PM 
Frozen tank Deerfield Wastewater 1 7199 Sunday, November 13, 2011 11:01 PM 
Free Webinar: The Science of Mixing and Maintaining Water Quality in Water Storage Tanks NRWA Webinar 0 6061 Tuesday, May 17, 2011 2:20 PM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 6364 Tuesday, May 17, 2011 11:14 AM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 1521 Sunday, May 20, 2012 11:25 AM 
FOG Causing Primary Clarifier Failures(4) Erwin Bonatz 0 999 Monday, May 14, 2012 10:44 AM 
FOG Causing Primary Clarifier Failures(2) Erwin Bonatz 0 1030 Monday, May 14, 2012 10:38 AM 
Flow verification James Royer 2 8165 Monday, October 25, 2010 12:34 PM 
flow meter calibration - that is requires reporting to the regulators? 01782191 0 2256 Tuesday, October 16, 2012 9:55 PM 
flow meter calibration - Requires reporting to the regulators? 01782191 0 3544 Wednesday, October 17, 2012 5:35 PM 
floating sludge problem JC 1 10052 Saturday, April 24, 2010 6:42 PM 
Filiment Problem (O21N) Can't pinpoint the cause...Help. Daniel Knox 0 1160 Tuesday, June 26, 2012 9:52 AM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 2152 Sunday, April 14, 2013 7:02 PM 
excessive dark foam on aeration tanks Mark 3 9058 Tuesday, April 5, 2011 11:33 AM 
envirofilt JK 0 3787 Sunday, December 11, 2011 6:52 PM 
Energy-Water Nexus and Pumps(2) KVertovec 0 2557 Friday, February 17, 2012 3:16 PM 
Energy-Water Nexus and Pumps KVertovec 0 2274 Friday, February 17, 2012 3:12 PM 
disinfection with paracetic acid mgille 8 12572 Tuesday, July 6, 2010 10:33 AM 
Digester Piping Phosphate Scaling Inspection. Nash 0 3276 Wednesday, November 23, 2011 7:48 AM 
Digester Gas treatment, Sulfa Treat, Eco tec, Jenbacher Richard Roberts 0 5481 Wednesday, August 25, 2010 1:47 PM 
Digester Gas Piping GB Gehrke 6 11501 Wednesday, November 23, 2011 7:45 AM 
Determining the settlement tank's volume Hajar 0 3831 Tuesday, September 25, 2012 7:55 PM 
Dam Odours Nick 0 4202 Tuesday, November 29, 2011 7:24 PM 
Control of algae growth on concrete with coatings? 01490632 0 6271 Tuesday, February 25, 2014 2:17 PM 
color codes for equipment and pipes deepleveltrash 1 10145 Wednesday, March 31, 2010 4:38 PM 
Chlorine survival in activated sludge Jurek 6 11417 Sunday, November 13, 2011 11:03 PM 
chemical phosphorus removal using alum david 1 5685 Thursday, April 7, 2011 1:54 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 12771 Sunday, July 25, 2010 9:08 PM 
Caroling Sewermen Victor Santa Cruz 0 7067 Wednesday, December 29, 2010 1:44 PM 
buried natural gas piping condition assessment T. Butler 1 3983 Tuesday, December 13, 2011 12:08 PM 
Bar screen upstream level sensor Larry Dolamore 2 9153 Friday, May 28, 2010 5:15 PM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 9488 Saturday, November 26, 2011 10:20 AM 
Anaerobic capability Matt Forbes 0 4257 Wednesday, September 7, 2011 11:00 PM 
Alkalinity control Andres Vinent 0 2940 Tuesday, February 21, 2012 3:51 PM 
Alien Bugs(2) 01663302 0 3787 Monday, December 23, 2013 10:09 AM 
 Previous 1 2 3 Next