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
floating sludge problem JC 1 9941 Saturday, April 24, 2010 6:42 PM 
SBR Omniflow Jerry 0 7674 Thursday, August 26, 2010 3:34 PM 
aerobic digester-very high solids-odor problem jim 4 11920 Sunday, May 16, 2010 5:13 PM 
envirofilt JK 0 3608 Sunday, December 11, 2011 6:52 PM 
managing activated sludge system during food shortage John Wang 2 7973 Wednesday, July 6, 2011 9:24 AM 
Seasonal MLSS adjustment Joseph McDowell 2 15009 Sunday, April 11, 2010 2:01 PM 
Chlorine survival in activated sludge Jurek 6 11272 Sunday, November 13, 2011 11:03 PM 
Why effluent clears-up after interruption of aeration? Jurek Patoczka 1 4612 Sunday, October 9, 2011 7:34 PM 
Polyethylene Glycol Treatability Keith Chapman 1 9667 Friday, November 25, 2011 1:56 AM 
High DO in Lagoons Kit Roush 2 3557 Tuesday, June 19, 2012 12:38 PM 
Energy-Water Nexus and Pumps(2) KVertovec 0 2405 Friday, February 17, 2012 3:16 PM 
Energy-Water Nexus and Pumps KVertovec 0 2098 Friday, February 17, 2012 3:12 PM 
Trash Racks before Parkson Screens? L Cipparone 1 3846 Sunday, October 9, 2011 7:23 PM 
Affordable trash removal from biosolids Landbiosolid 0 2929 Thursday, February 9, 2012 10:13 AM 
Trash(tampons, etc.) problem land application Landbiosolid 1 5872 Tuesday, September 20, 2011 10:06 AM 
Lining stainless steel air pipe Larry Dolamore 0 5264 Monday, June 27, 2011 9:13 AM 
Bar screen upstream level sensor Larry Dolamore 2 9030 Friday, May 28, 2010 5:15 PM 
Measuring grit accumulation in a tank Larry Dolamore 2 9234 Sunday, May 2, 2010 1:28 PM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 9349 Saturday, November 26, 2011 10:20 AM 
excessive dark foam on aeration tanks Mark 3 8938 Tuesday, April 5, 2011 11:33 AM 
ORP control Mark Milne 2 8180 Friday, November 25, 2011 1:57 AM 
Anaerobic capability Matt Forbes 0 4139 Wednesday, September 7, 2011 11:00 PM 
In line nutrient monitoring mford 1 5880 Wednesday, July 6, 2011 9:16 AM 
disinfection with paracetic acid mgille 8 12448 Tuesday, July 6, 2010 10:33 AM 
Digester Piping Phosphate Scaling Inspection. Nash 0 3124 Wednesday, November 23, 2011 7:48 AM 
Dam Odours Nick 0 4034 Tuesday, November 29, 2011 7:24 PM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 6255 Tuesday, May 17, 2011 11:14 AM 
Free Webinar: The Science of Mixing and Maintaining Water Quality in Water Storage Tanks NRWA Webinar 0 5933 Tuesday, May 17, 2011 2:20 PM 
Nitrate Lock Extended aeration Paul Robertson 0 2656 Thursday, December 26, 2013 11:19 AM 
RAS lines and clarifier balancing R Siddens 1 3327 Thursday, February 2, 2012 5:17 AM 
High Influent Sulfates Randy Siddens 0 4779 Tuesday, August 30, 2011 11:45 AM 
Digester Gas treatment, Sulfa Treat, Eco tec, Jenbacher Richard Roberts 0 5362 Wednesday, August 25, 2010 1:47 PM 
Request for Spiral Heat Exchanger experience Richard Roberts 0 9362 Monday, March 15, 2010 7:24 AM 
Log Sheet Data Rock 1 1264 Tuesday, June 12, 2012 1:37 PM 
Reseeding Nitrification/Denitrification Oxidation ditch Shannon Taylor 1 4626 Friday, August 19, 2011 10:46 AM 
Sand filters Flow rate peak cals..... SHARIFF 1 9645 Tuesday, February 23, 2010 12:45 AM 
Where to sell New Surplus Siemens Clarifier Drive ? surplusbuyer 1 8132 Saturday, July 24, 2010 1:33 PM 
buried natural gas piping condition assessment T. Butler 1 3827 Tuesday, December 13, 2011 12:08 PM 
Outfall Shorezone Protection T. Butler 1 8082 Wednesday, March 17, 2010 12:14 PM 
Request for info regarding Trojan UV systems T.O.C. 5 8234 Friday, August 10, 2012 2:22 PM 
MBBR Media Tatya Tope 2 5114 Thursday, October 27, 2011 4:03 PM 
WASTEWATER MICROBIOLOGY & PROCESS CONTROL CLASS Terry 2 8005 Monday, August 8, 2011 1:17 PM 
Wastewater operator training opportunity at Wausau, Wisconsin February 1, 2011. Terry 0 6643 Wednesday, January 5, 2011 9:15 AM 
Operators Meeting in WI Terry 0 11573 Friday, January 8, 2010 12:20 PM 
head loss at air diffused system Tiger 1 9962 Monday, July 5, 2010 11:55 AM 
grey slime in trickling filters & SBRs Todd Boling 0 8903 Saturday, May 1, 2010 4:19 PM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 9562 Friday, May 28, 2010 3:30 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 12642 Sunday, July 25, 2010 9:08 PM 
2011 Southern Oregon Water and Wastewater Short School Victor Santa Cruz 0 4355 Tuesday, August 23, 2011 8:01 PM 
Wastewater Microbiology/Biology Workshop Victor Santa Cruz 0 5709 Sunday, November 13, 2011 11:03 PM 
 Previous 1 2 3 Next