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
2011 Southern Oregon Water and Wastewater Short School Victor Santa Cruz 0 4420 Tuesday, August 23, 2011 8:01 PM 
Activated Sludge Process Control Workshop Victor Santa Cruz 1 5975 Wednesday, February 23, 2011 11:39 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 12031 Sunday, April 3, 2011 6:07 AM 
aerobic digester-very high solids-odor problem jim 4 11983 Sunday, May 16, 2010 5:13 PM 
aerobic-anoxic operation ale 0 7262 Sunday, November 14, 2010 2:04 AM 
Affordable trash removal from biosolids Landbiosolid 0 2999 Thursday, February 9, 2012 10:13 AM 
Alien Bugs(2) 01663302 0 2895 Monday, December 23, 2013 10:09 AM 
Alkalinity control Andres Vinent 0 2868 Tuesday, February 21, 2012 3:51 PM 
Anaerobic capability Matt Forbes 0 4202 Wednesday, September 7, 2011 11:00 PM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 9417 Saturday, November 26, 2011 10:20 AM 
Bar screen upstream level sensor Larry Dolamore 2 9093 Friday, May 28, 2010 5:15 PM 
buried natural gas piping condition assessment T. Butler 1 3908 Tuesday, December 13, 2011 12:08 PM 
Caroling Sewermen Victor Santa Cruz 0 7055 Wednesday, December 29, 2010 1:44 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 12720 Sunday, July 25, 2010 9:08 PM 
chemical phosphorus removal using alum david 1 5634 Thursday, April 7, 2011 1:54 PM 
Chlorine survival in activated sludge Jurek 6 11352 Sunday, November 13, 2011 11:03 PM 
color codes for equipment and pipes deepleveltrash 1 10097 Wednesday, March 31, 2010 4:38 PM 
Control of algae growth on concrete with coatings? 01490632 0 4482 Tuesday, February 25, 2014 2:17 PM 
Dam Odours Nick 0 4114 Tuesday, November 29, 2011 7:24 PM 
Determining the settlement tank's volume Hajar 0 3785 Tuesday, September 25, 2012 7:55 PM 
Digester Gas Piping GB Gehrke 6 11436 Wednesday, November 23, 2011 7:45 AM 
Digester Gas treatment, Sulfa Treat, Eco tec, Jenbacher Richard Roberts 0 5427 Wednesday, August 25, 2010 1:47 PM 
Digester Piping Phosphate Scaling Inspection. Nash 0 3203 Wednesday, November 23, 2011 7:48 AM 
disinfection with paracetic acid mgille 8 12519 Tuesday, July 6, 2010 10:33 AM 
Energy-Water Nexus and Pumps KVertovec 0 2235 Friday, February 17, 2012 3:12 PM 
Energy-Water Nexus and Pumps(2) KVertovec 0 2484 Friday, February 17, 2012 3:16 PM 
envirofilt JK 0 3696 Sunday, December 11, 2011 6:52 PM 
excessive dark foam on aeration tanks Mark 3 9039 Tuesday, April 5, 2011 11:33 AM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 2097 Sunday, April 14, 2013 7:02 PM 
Filiment Problem (O21N) Can't pinpoint the cause...Help. Daniel Knox 0 1023 Tuesday, June 26, 2012 9:52 AM 
floating sludge problem JC 1 10009 Saturday, April 24, 2010 6:42 PM 
flow meter calibration - Requires reporting to the regulators? 01782191 0 3468 Wednesday, October 17, 2012 5:35 PM 
flow meter calibration - that is requires reporting to the regulators? 01782191 0 2201 Tuesday, October 16, 2012 9:55 PM 
Flow verification James Royer 2 8160 Monday, October 25, 2010 12:34 PM 
FOG Causing Primary Clarifier Failures(2) Erwin Bonatz 0 943 Monday, May 14, 2012 10:38 AM 
FOG Causing Primary Clarifier Failures(4) Erwin Bonatz 0 903 Monday, May 14, 2012 10:44 AM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 1437 Sunday, May 20, 2012 11:25 AM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 6349 Tuesday, May 17, 2011 11:14 AM 
Free Webinar: The Science of Mixing and Maintaining Water Quality in Water Storage Tanks NRWA Webinar 0 6003 Tuesday, May 17, 2011 2:20 PM 
Frozen tank Deerfield Wastewater 1 7125 Sunday, November 13, 2011 11:01 PM 
grey slime in trickling filters & SBRs Todd Boling 0 8970 Saturday, May 1, 2010 4:19 PM 
head loss at air diffused system Tiger 1 10028 Monday, July 5, 2010 11:55 AM 
High COD Results evik 1 6378 Thursday, February 24, 2011 9:13 AM 
High DO in Lagoons Kit Roush 2 3639 Tuesday, June 19, 2012 12:38 PM 
High fecal coliform results Carmine Goneconte 7 10106 Sunday, November 13, 2011 10:59 PM 
High Influent Sulfates Randy Siddens 0 4842 Tuesday, August 30, 2011 11:45 AM 
In line nutrient monitoring mford 1 5953 Wednesday, July 6, 2011 9:16 AM 
Isopropanol issues 01797999 1 4126 Tuesday, August 28, 2012 2:38 PM 
Lining stainless steel air pipe Larry Dolamore 0 5332 Monday, June 27, 2011 9:13 AM 
Log Sheet Data Rock 1 1347 Tuesday, June 12, 2012 1:37 PM 
 1 2 3 Next