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
Isopropanol issues 01797999 1 7435 Tuesday, August 28, 2012 2:38 PM 
Lining stainless steel air pipe Larry Dolamore 0 8059 Monday, June 27, 2011 9:13 AM 
Log Sheet Data Rock 1 4696 Tuesday, June 12, 2012 1:37 PM 
Lost of pressure Chief 8 8928 Tuesday, March 15, 2011 7:02 AM 
managing activated sludge system during food shortage John Wang 2 11007 Wednesday, July 6, 2011 9:24 AM 
MBBR Media Tatya Tope 2 8084 Thursday, October 27, 2011 4:03 PM 
MBR sludge condition Elizabeth Lawrence 4 9395 Tuesday, March 22, 2011 10:29 PM 
Measuring grit accumulation in a tank Larry Dolamore 2 12089 Sunday, May 2, 2010 1:28 PM 
Mercury Control Jason Graham 0 7225 Tuesday, November 29, 2011 2:09 PM 
Nitrate Lock Extended aeration Paul Robertson 0 17665 Thursday, December 26, 2013 11:19 AM 
Ocean Outfall assessment 01607899 0 5698 Wednesday, January 9, 2013 3:51 PM 
Operations help Victoria Caulfield 1 7170 Friday, May 4, 2012 11:10 AM 
Operators Meeting in WI Terry 0 14739 Friday, January 8, 2010 12:20 PM 
ORP control Mark Milne 2 11596 Friday, November 25, 2011 1:57 AM 
Outfall Shorezone Protection T. Butler 1 10939 Wednesday, March 17, 2010 12:14 PM 
Overheating wires with WEDECO UV system 01453718 0 4181 Tuesday, August 7, 2012 2:46 PM 
Oxidation ditch 01645290 0 6520 Thursday, November 29, 2012 10:24 AM 
Oxidation Ditch Structural Assesment watertech 1 10351 Wednesday, September 22, 2010 2:15 PM 
Ozone for Fecal Coliform Reduction 17633991 0 4383 Sunday, April 14, 2013 6:36 PM 
P.H. Problems D.Mak 6 12910 Wednesday, September 21, 2011 7:27 AM 
pH of Mixed Liquor 17627563 0 4212 Monday, December 31, 2012 11:10 AM 
Polyethylene Glycol Treatability Keith Chapman 1 13289 Friday, November 25, 2011 1:56 AM 
Portable Suspended Solids Analyzer 01471237 0 17639 Friday, August 16, 2013 9:42 AM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 11434 Sunday, November 13, 2011 11:00 PM 
Primary clarifier chain Chris 4 11823 Sunday, November 13, 2011 11:02 PM 
Pump Mixing Systems Anaerobic Digesters Christopher Morphey 0 9231 Tuesday, May 24, 2011 10:55 AM 
Quaternary Ammonium Compounds David Allen 3 15381 Monday, July 11, 2011 3:05 PM 
RAS lines and clarifier balancing R Siddens 1 5018 Thursday, February 2, 2012 5:17 AM 
reduction of flows cb 2 13978 Wednesday, January 27, 2010 9:24 AM 
Request for info regarding Trojan UV systems T.O.C. 5 9885 Friday, August 10, 2012 2:22 PM 
Request for Spiral Heat Exchanger experience Richard Roberts 0 12194 Monday, March 15, 2010 7:24 AM 
Reseeding Nitrification/Denitrification Oxidation ditch Shannon Taylor 1 7512 Friday, August 19, 2011 10:46 AM 
salinity in activated sludge Greg Gress 2 9267 Thursday, June 14, 2012 5:21 AM 
Sand filters Flow rate peak cals..... SHARIFF 1 12495 Tuesday, February 23, 2010 12:45 AM 
SBR Omniflow Jerry 0 10489 Thursday, August 26, 2010 3:34 PM 
SCADA advice needed Dennis Hudson 4 11313 Thursday, October 28, 2010 3:54 PM 
Seasonal MLSS adjustment Joseph McDowell 2 18110 Sunday, April 11, 2010 2:01 PM 
Septage/Grease Screening Units Frederick Auermuller 0 7007 Tuesday, January 3, 2012 3:51 PM 
ski resort WWTP operation 01463964 0 4090 Friday, August 10, 2012 2:24 PM 
tank numbering h2ochem 1 8561 Sunday, June 26, 2011 1:22 PM 
Toxicity of Sanitizers/Commercial Cleaners David Allen 0 6665 Thursday, November 10, 2011 5:01 PM 
transportation of dewatered alum sludge Doctor Sewage 0 10530 Monday, August 2, 2010 3:55 AM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 12356 Friday, May 28, 2010 3:30 PM 
Trash Racks before Parkson Screens? L Cipparone 1 6756 Sunday, October 9, 2011 7:23 PM 
Trash(tampons, etc.) problem land application Landbiosolid 1 8833 Tuesday, September 20, 2011 10:06 AM 
Use of Larvacides for midge fly control 01632316 0 2337 Tuesday, December 22, 2015 11:19 AM 
Using Mag Hydroxide Andres Vinent 3 4255 Monday, June 25, 2012 1:17 PM 
very low SVIs!! Deb 5 11242 Monday, November 29, 2010 5:55 PM 
VFD control of Mamoth Rotors in Oxidation Ditch Greg Gress 1 7552 Tuesday, November 22, 2011 3:30 PM 
W3QLAS Activated Sludge Process Control Workshop Victor Santa Cruz 0 9684 Thursday, January 21, 2010 8:23 PM 
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