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
WWTP Opportunity - City of Kuna, ID DPFG 0 3613 Tuesday, September 4, 2012 12:17 PM 
Why effluent clears-up after interruption of aeration? Jurek Patoczka 1 4670 Sunday, October 9, 2011 7:34 PM 
Where to sell New Surplus Siemens Clarifier Drive ? surplusbuyer 1 8175 Saturday, July 24, 2010 1:33 PM 
We have a terrible foaming problem in our aerobic digesters DarylP 1 1072 Friday, August 10, 2012 2:18 PM 
Water Fleas!!!(2) 01474775 0 1668 Wednesday, May 8, 2013 10:41 AM 
Wastewater operator training opportunity at Wausau, Wisconsin February 1, 2011. Terry 0 6684 Wednesday, January 5, 2011 9:15 AM 
Wastewater Microbiology/Biology Workshop Victor Santa Cruz 0 5766 Sunday, November 13, 2011 11:03 PM 
WASTEWATER MICROBIOLOGY & PROCESS CONTROL CLASS Terry 2 8049 Monday, August 8, 2011 1:17 PM 
Wastewater Blog Grant Weaver 5 10009 Monday, May 7, 2012 4:15 AM 
W3QLAS Anaerobic Digestion/Solids Dewatering Process Control Workshop Victor Santa Cruz 0 10723 Thursday, January 21, 2010 8:24 PM 
W3QLAS Activated Sludge Process Control Workshop Victor Santa Cruz 0 6704 Thursday, January 21, 2010 8:23 PM 
VFD control of Mamoth Rotors in Oxidation Ditch Greg Gress 1 4063 Tuesday, November 22, 2011 3:30 PM 
very low SVIs!! Deb 5 8422 Monday, November 29, 2010 5:55 PM 
Using Mag Hydroxide Andres Vinent 3 2603 Monday, June 25, 2012 1:17 PM 
Trash(tampons, etc.) problem land application Landbiosolid 1 5918 Tuesday, September 20, 2011 10:06 AM 
Trash Racks before Parkson Screens? L Cipparone 1 3878 Sunday, October 9, 2011 7:23 PM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 9610 Friday, May 28, 2010 3:30 PM 
transportation of dewatered alum sludge Doctor Sewage 0 7817 Monday, August 2, 2010 3:55 AM 
Toxicity of Sanitizers/Commercial Cleaners David Allen 0 3662 Thursday, November 10, 2011 5:01 PM 
tank numbering h2ochem 1 5771 Sunday, June 26, 2011 1:22 PM 
ski resort WWTP operation 01463964 0 717 Friday, August 10, 2012 2:24 PM 
Septage/Grease Screening Units Frederick Auermuller 0 3584 Tuesday, January 3, 2012 3:51 PM 
Seasonal MLSS adjustment Joseph McDowell 2 15056 Sunday, April 11, 2010 2:01 PM 
SCADA advice needed Dennis Hudson 4 8424 Thursday, October 28, 2010 3:54 PM 
SBR Omniflow Jerry 0 7716 Thursday, August 26, 2010 3:34 PM 
Sand filters Flow rate peak cals..... SHARIFF 1 9687 Tuesday, February 23, 2010 12:45 AM 
salinity in activated sludge Greg Gress 2 4774 Thursday, June 14, 2012 5:21 AM 
Reseeding Nitrification/Denitrification Oxidation ditch Shannon Taylor 1 4677 Friday, August 19, 2011 10:46 AM 
Request for Spiral Heat Exchanger experience Richard Roberts 0 9407 Monday, March 15, 2010 7:24 AM 
Request for info regarding Trojan UV systems T.O.C. 5 8290 Friday, August 10, 2012 2:22 PM 
reduction of flows cb 2 11124 Wednesday, January 27, 2010 9:24 AM 
RAS lines and clarifier balancing R Siddens 1 3386 Thursday, February 2, 2012 5:17 AM 
Quaternary Ammonium Compounds David Allen 3 12309 Monday, July 11, 2011 3:05 PM 
Pump Mixing Systems Anaerobic Digesters Christopher Morphey 0 6227 Tuesday, May 24, 2011 10:55 AM 
Primary clarifier chain Chris 4 8623 Sunday, November 13, 2011 11:02 PM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 9923 Sunday, November 13, 2011 11:00 PM 
Portable Suspended Solids Analyzer 01471237 0 5782 Friday, August 16, 2013 9:42 AM 
Polyethylene Glycol Treatability Keith Chapman 1 9721 Friday, November 25, 2011 1:56 AM 
pH of Mixed Liquor 17627563 0 2581 Monday, December 31, 2012 11:10 AM 
P.H. Problems D.Mak 6 9730 Wednesday, September 21, 2011 7:27 AM 
Ozone for Fecal Coliform Reduction 17633991 0 1010 Sunday, April 14, 2013 6:36 PM 
Oxidation Ditch Structural Assesment watertech 1 7569 Wednesday, September 22, 2010 2:15 PM 
Oxidation ditch 01645290 0 3114 Thursday, November 29, 2012 10:24 AM 
Overheating wires with WEDECO UV system 01453718 0 692 Tuesday, August 7, 2012 2:46 PM 
Outfall Shorezone Protection T. Butler 1 8126 Wednesday, March 17, 2010 12:14 PM 
ORP control Mark Milne 2 8240 Friday, November 25, 2011 1:57 AM 
Operators Meeting in WI Terry 0 11624 Friday, January 8, 2010 12:20 PM 
Operations help Victoria Caulfield 1 3855 Friday, May 4, 2012 11:10 AM 
Ocean Outfall assessment 01607899 0 2456 Wednesday, January 9, 2013 3:51 PM 
Nitrate Lock Extended aeration Paul Robertson 0 4330 Thursday, December 26, 2013 11:19 AM 
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