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 4565 Tuesday, August 23, 2011 8:01 PM 
Activated Sludge Process Control Workshop Victor Santa Cruz 1 6124 Wednesday, February 23, 2011 11:39 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 12162 Sunday, April 3, 2011 6:07 AM 
aerobic digester-very high solids-odor problem jim 4 12132 Sunday, May 16, 2010 5:13 PM 
aerobic-anoxic operation ale 0 7404 Sunday, November 14, 2010 2:04 AM 
Affordable trash removal from biosolids Landbiosolid 0 3193 Thursday, February 9, 2012 10:13 AM 
Alien Bugs(2) 01663302 0 5104 Monday, December 23, 2013 10:09 AM 
Alkalinity control Andres Vinent 0 3047 Tuesday, February 21, 2012 3:51 PM 
Anaerobic capability Matt Forbes 0 4327 Wednesday, September 7, 2011 11:00 PM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 9595 Saturday, November 26, 2011 10:20 AM 
Bar screen upstream level sensor Larry Dolamore 2 9249 Friday, May 28, 2010 5:15 PM 
BNR Internal Recycle Cooper 0 1828 Wednesday, January 28, 2015 8:27 PM 
buried natural gas piping condition assessment T. Butler 1 4059 Tuesday, December 13, 2011 12:08 PM 
Caroling Sewermen Victor Santa Cruz 0 7139 Wednesday, December 29, 2010 1:44 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 12861 Sunday, July 25, 2010 9:08 PM 
chemical phosphorus removal using alum david 1 5775 Thursday, April 7, 2011 1:54 PM 
Chlorine survival in activated sludge Jurek 6 11509 Sunday, November 13, 2011 11:03 PM 
color codes for equipment and pipes deepleveltrash 1 10240 Wednesday, March 31, 2010 4:38 PM 
Control of algae growth on concrete with coatings? 01490632 0 8290 Tuesday, February 25, 2014 2:17 PM 
Dam Odours Nick 0 4291 Tuesday, November 29, 2011 7:24 PM 
Determining the settlement tank's volume Hajar 0 3933 Tuesday, September 25, 2012 7:55 PM 
Digester Gas Piping GB Gehrke 6 11616 Wednesday, November 23, 2011 7:45 AM 
Digester Gas treatment, Sulfa Treat, Eco tec, Jenbacher Richard Roberts 0 5558 Wednesday, August 25, 2010 1:47 PM 
Digester Piping Phosphate Scaling Inspection. Nash 0 3365 Wednesday, November 23, 2011 7:48 AM 
disinfection with paracetic acid mgille 8 12678 Tuesday, July 6, 2010 10:33 AM 
Energy-Water Nexus and Pumps KVertovec 0 2347 Friday, February 17, 2012 3:12 PM 
Energy-Water Nexus and Pumps(2) KVertovec 0 2657 Friday, February 17, 2012 3:16 PM 
envirofilt JK 0 3880 Sunday, December 11, 2011 6:52 PM 
excessive dark foam on aeration tanks Mark 3 9144 Tuesday, April 5, 2011 11:33 AM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 2239 Sunday, April 14, 2013 7:02 PM 
Filiment Problem (O21N) Can't pinpoint the cause...Help. Daniel Knox 0 1219 Tuesday, June 26, 2012 9:52 AM 
floating sludge problem JC 1 10136 Saturday, April 24, 2010 6:42 PM 
flow meter calibration - Requires reporting to the regulators? 01782191 0 3647 Wednesday, October 17, 2012 5:35 PM 
flow meter calibration - that is requires reporting to the regulators? 01782191 0 2357 Tuesday, October 16, 2012 9:55 PM 
Flow verification James Royer 2 8260 Monday, October 25, 2010 12:34 PM 
FOG Causing Primary Clarifier Failures(2) Erwin Bonatz 0 1083 Monday, May 14, 2012 10:38 AM 
FOG Causing Primary Clarifier Failures(4) Erwin Bonatz 0 1073 Monday, May 14, 2012 10:44 AM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 1630 Sunday, May 20, 2012 11:25 AM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 6452 Tuesday, May 17, 2011 11:14 AM 
Free Webinar: The Science of Mixing and Maintaining Water Quality in Water Storage Tanks NRWA Webinar 0 6130 Tuesday, May 17, 2011 2:20 PM 
Frozen tank Deerfield Wastewater 1 7280 Sunday, November 13, 2011 11:01 PM 
grey slime in trickling filters & SBRs Todd Boling 0 9111 Saturday, May 1, 2010 4:19 PM 
head loss at air diffused system Tiger 1 10168 Monday, July 5, 2010 11:55 AM 
High COD Results evik 1 6520 Thursday, February 24, 2011 9:13 AM 
High DO in Lagoons Kit Roush 2 3821 Tuesday, June 19, 2012 12:38 PM 
High fecal coliform results Carmine Goneconte 7 10294 Sunday, November 13, 2011 10:59 PM 
High Influent Sulfates Randy Siddens 0 4937 Tuesday, August 30, 2011 11:45 AM 
In line nutrient monitoring mford 1 6074 Wednesday, July 6, 2011 9:16 AM 
Isopropanol issues 01797999 1 4241 Tuesday, August 28, 2012 2:38 PM 
Lining stainless steel air pipe Larry Dolamore 0 5607 Monday, June 27, 2011 9:13 AM 
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