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
2011 Southern Oregon Water and Wastewater Short School Victor Santa Cruz 0 4400 Tuesday, August 23, 2011 8:01 PM 
Activated Sludge Process Control Workshop Victor Santa Cruz 1 5955 Wednesday, February 23, 2011 11:39 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 11997 Sunday, April 3, 2011 6:07 AM 
aerobic digester-very high solids-odor problem jim 4 11967 Sunday, May 16, 2010 5:13 PM 
aerobic-anoxic operation ale 0 7231 Sunday, November 14, 2010 2:04 AM 
Affordable trash removal from biosolids Landbiosolid 0 2978 Thursday, February 9, 2012 10:13 AM 
Alien Bugs(2) 01663302 0 2458 Monday, December 23, 2013 10:09 AM 
Alkalinity control Andres Vinent 0 2853 Tuesday, February 21, 2012 3:51 PM 
Anaerobic capability Matt Forbes 0 4182 Wednesday, September 7, 2011 11:00 PM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 9399 Saturday, November 26, 2011 10:20 AM 
Bar screen upstream level sensor Larry Dolamore 2 9075 Friday, May 28, 2010 5:15 PM 
buried natural gas piping condition assessment T. Butler 1 3886 Tuesday, December 13, 2011 12:08 PM 
Caroling Sewermen Victor Santa Cruz 0 6999 Wednesday, December 29, 2010 1:44 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 12698 Sunday, July 25, 2010 9:08 PM 
chemical phosphorus removal using alum david 1 5616 Thursday, April 7, 2011 1:54 PM 
Chlorine survival in activated sludge Jurek 6 11325 Sunday, November 13, 2011 11:03 PM 
color codes for equipment and pipes deepleveltrash 1 10077 Wednesday, March 31, 2010 4:38 PM 
Control of algae growth on concrete with coatings? 01490632 0 3517 Tuesday, February 25, 2014 2:17 PM 
Dam Odours Nick 0 4095 Tuesday, November 29, 2011 7:24 PM 
Determining the settlement tank's volume Hajar 0 3752 Tuesday, September 25, 2012 7:55 PM 
Digester Gas Piping GB Gehrke 6 11418 Wednesday, November 23, 2011 7:45 AM 
Digester Gas treatment, Sulfa Treat, Eco tec, Jenbacher Richard Roberts 0 5405 Wednesday, August 25, 2010 1:47 PM 
Digester Piping Phosphate Scaling Inspection. Nash 0 3174 Wednesday, November 23, 2011 7:48 AM 
disinfection with paracetic acid mgille 8 12500 Tuesday, July 6, 2010 10:33 AM 
Energy-Water Nexus and Pumps KVertovec 0 2148 Friday, February 17, 2012 3:12 PM 
Energy-Water Nexus and Pumps(2) KVertovec 0 2462 Friday, February 17, 2012 3:16 PM 
envirofilt JK 0 3663 Sunday, December 11, 2011 6:52 PM 
excessive dark foam on aeration tanks Mark 3 8992 Tuesday, April 5, 2011 11:33 AM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 2056 Sunday, April 14, 2013 7:02 PM 
Filiment Problem (O21N) Can't pinpoint the cause...Help. Daniel Knox 0 989 Tuesday, June 26, 2012 9:52 AM 
floating sludge problem JC 1 9991 Saturday, April 24, 2010 6:42 PM 
flow meter calibration - Requires reporting to the regulators? 01782191 0 3449 Wednesday, October 17, 2012 5:35 PM 
flow meter calibration - that is requires reporting to the regulators? 01782191 0 2165 Tuesday, October 16, 2012 9:55 PM 
Flow verification James Royer 2 8095 Monday, October 25, 2010 12:34 PM 
FOG Causing Primary Clarifier Failures(2) Erwin Bonatz 0 889 Monday, May 14, 2012 10:38 AM 
FOG Causing Primary Clarifier Failures(4) Erwin Bonatz 0 878 Monday, May 14, 2012 10:44 AM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 1410 Sunday, May 20, 2012 11:25 AM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 6298 Tuesday, May 17, 2011 11:14 AM 
Free Webinar: The Science of Mixing and Maintaining Water Quality in Water Storage Tanks NRWA Webinar 0 5978 Tuesday, May 17, 2011 2:20 PM 
Frozen tank Deerfield Wastewater 1 7108 Sunday, November 13, 2011 11:01 PM 
grey slime in trickling filters & SBRs Todd Boling 0 8949 Saturday, May 1, 2010 4:19 PM 
head loss at air diffused system Tiger 1 10010 Monday, July 5, 2010 11:55 AM 
High COD Results evik 1 6361 Thursday, February 24, 2011 9:13 AM 
High DO in Lagoons Kit Roush 2 3613 Tuesday, June 19, 2012 12:38 PM 
High fecal coliform results Carmine Goneconte 7 10081 Sunday, November 13, 2011 10:59 PM 
High Influent Sulfates Randy Siddens 0 4826 Tuesday, August 30, 2011 11:45 AM 
In line nutrient monitoring mford 1 5923 Wednesday, July 6, 2011 9:16 AM 
Isopropanol issues 01797999 1 4048 Tuesday, August 28, 2012 2:38 PM 
Lining stainless steel air pipe Larry Dolamore 0 5311 Monday, June 27, 2011 9:13 AM 
Log Sheet Data Rock 1 1317 Tuesday, June 12, 2012 1:37 PM 
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