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 6302 Tuesday, August 23, 2011 8:01 PM 
Activated Sludge Process Control Workshop Victor Santa Cruz 1 8038 Wednesday, February 23, 2011 11:39 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 14099 Sunday, April 3, 2011 6:07 AM 
aerobic digester-very high solids-odor problem jim 4 14156 Sunday, May 16, 2010 5:13 PM 
aerobic-anoxic operation ale 0 11167 Sunday, November 14, 2010 2:04 AM 
Affordable trash removal from biosolids Landbiosolid 0 5258 Thursday, February 9, 2012 10:13 AM 
Alien Bugs(2) 01663302 0 12972 Monday, December 23, 2013 10:09 AM 
Alkalinity control Andres Vinent 0 5390 Tuesday, February 21, 2012 3:51 PM 
Anaerobic capability Matt Forbes 0 6536 Wednesday, September 7, 2011 11:00 PM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 12069 Saturday, November 26, 2011 10:20 AM 
Bar screen upstream level sensor Larry Dolamore 2 9658 Friday, May 28, 2010 5:15 PM 
BNR Internal Recycle Cooper 0 11443 Wednesday, January 28, 2015 8:27 PM 
buried natural gas piping condition assessment T. Butler 1 6413 Tuesday, December 13, 2011 12:08 PM 
Caroling Sewermen Victor Santa Cruz 0 9078 Wednesday, December 29, 2010 1:44 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 15456 Sunday, July 25, 2010 9:08 PM 
chemical phosphorus removal using alum david 1 7585 Thursday, April 7, 2011 1:54 PM 
Chlorine survival in activated sludge Jurek 6 13596 Sunday, November 13, 2011 11:03 PM 
color codes for equipment and pipes deepleveltrash 1 12171 Wednesday, March 31, 2010 4:38 PM 
Control of algae growth on concrete with coatings? 01490632 0 16863 Tuesday, February 25, 2014 2:17 PM 
Dam Odours Nick 0 6418 Tuesday, November 29, 2011 7:24 PM 
Decanting solds & scum Dwayne 1 9468 Friday, June 19, 2015 6:28 AM 
Determining the settlement tank's volume Hajar 0 5998 Tuesday, September 25, 2012 7:55 PM 
Digester Gas Piping GB Gehrke 6 12155 Wednesday, November 23, 2011 7:45 AM 
Digester Gas treatment, Sulfa Treat, Eco tec, Jenbacher Richard Roberts 0 7398 Wednesday, August 25, 2010 1:47 PM 
Digester Piping Phosphate Scaling Inspection. Nash 0 5498 Wednesday, November 23, 2011 7:48 AM 
disinfection with paracetic acid mgille 8 14541 Tuesday, July 6, 2010 10:33 AM 
Energy-Water Nexus and Pumps KVertovec 0 4439 Friday, February 17, 2012 3:12 PM 
Energy-Water Nexus and Pumps(2) KVertovec 0 4760 Friday, February 17, 2012 3:16 PM 
envirofilt JK 0 6122 Sunday, December 11, 2011 6:52 PM 
excessive dark foam on aeration tanks Mark 3 10979 Tuesday, April 5, 2011 11:33 AM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 2616 Sunday, April 14, 2013 7:02 PM 
Filiment Problem (O21N) Can't pinpoint the cause...Help. Daniel Knox 0 3323 Tuesday, June 26, 2012 9:52 AM 
floating sludge problem JC 1 11870 Saturday, April 24, 2010 6:42 PM 
flow meter calibration - Requires reporting to the regulators? 01782191 0 5763 Wednesday, October 17, 2012 5:35 PM 
flow meter calibration - that is requires reporting to the regulators? 01782191 0 4426 Tuesday, October 16, 2012 9:55 PM 
Flow verification James Royer 2 10101 Monday, October 25, 2010 12:34 PM 
FOG Causing Primary Clarifier Failures(2) Erwin Bonatz 0 3264 Monday, May 14, 2012 10:38 AM 
FOG Causing Primary Clarifier Failures(4) Erwin Bonatz 0 3229 Monday, May 14, 2012 10:44 AM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 2109 Sunday, May 20, 2012 11:25 AM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 8314 Tuesday, May 17, 2011 11:14 AM 
Free Webinar: The Science of Mixing and Maintaining Water Quality in Water Storage Tanks NRWA Webinar 0 8029 Tuesday, May 17, 2011 2:20 PM 
Frozen tank Deerfield Wastewater 1 9156 Sunday, November 13, 2011 11:01 PM 
grey slime in trickling filters & SBRs Todd Boling 0 10938 Saturday, May 1, 2010 4:19 PM 
Grit pipeline and with pinch valves sandra 0 724 Wednesday, April 13, 2016 12:21 PM 
head loss at air diffused system Tiger 1 11952 Monday, July 5, 2010 11:55 AM 
High COD Results evik 1 8299 Thursday, February 24, 2011 9:13 AM 
High DO in Lagoons Kit Roush 2 6094 Tuesday, June 19, 2012 12:38 PM 
High fecal coliform results Carmine Goneconte 7 12960 Sunday, November 13, 2011 10:59 PM 
High Influent Sulfates Randy Siddens 0 6743 Tuesday, August 30, 2011 11:45 AM 
In line nutrient monitoring mford 1 7870 Wednesday, July 6, 2011 9:16 AM 
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