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 5948 Tuesday, August 28, 2012 2:38 PM 
Lining stainless steel air pipe Larry Dolamore 0 6794 Monday, June 27, 2011 9:13 AM 
Log Sheet Data Rock 1 3213 Tuesday, June 12, 2012 1:37 PM 
Lost of pressure Chief 8 7673 Tuesday, March 15, 2011 7:02 AM 
managing activated sludge system during food shortage John Wang 2 9568 Wednesday, July 6, 2011 9:24 AM 
MBBR Media Tatya Tope 2 6762 Thursday, October 27, 2011 4:03 PM 
MBR sludge condition Elizabeth Lawrence 4 7988 Tuesday, March 22, 2011 10:29 PM 
Measuring grit accumulation in a tank Larry Dolamore 2 10835 Sunday, May 2, 2010 1:28 PM 
Mercury Control Jason Graham 0 5643 Tuesday, November 29, 2011 2:09 PM 
Nitrate Lock Extended aeration Paul Robertson 0 16073 Thursday, December 26, 2013 11:19 AM 
Ocean Outfall assessment 01607899 0 4274 Wednesday, January 9, 2013 3:51 PM 
Operations help Victoria Caulfield 1 5661 Friday, May 4, 2012 11:10 AM 
Operators Meeting in WI Terry 0 13265 Friday, January 8, 2010 12:20 PM 
ORP control Mark Milne 2 10098 Friday, November 25, 2011 1:57 AM 
Outfall Shorezone Protection T. Butler 1 9653 Wednesday, March 17, 2010 12:14 PM 
Overheating wires with WEDECO UV system 01453718 0 2632 Tuesday, August 7, 2012 2:46 PM 
Oxidation ditch 01645290 0 5017 Thursday, November 29, 2012 10:24 AM 
Oxidation Ditch Structural Assesment watertech 1 9125 Wednesday, September 22, 2010 2:15 PM 
Ozone for Fecal Coliform Reduction 17633991 0 2866 Sunday, April 14, 2013 6:36 PM 
P.H. Problems D.Mak 6 11463 Wednesday, September 21, 2011 7:27 AM 
pH of Mixed Liquor 17627563 0 4382 Monday, December 31, 2012 11:10 AM 
Polyethylene Glycol Treatability Keith Chapman 1 11721 Friday, November 25, 2011 1:56 AM 
Portable Suspended Solids Analyzer 01471237 0 16158 Friday, August 16, 2013 9:42 AM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 11571 Sunday, November 13, 2011 11:00 PM 
Primary clarifier chain Chris 4 10381 Sunday, November 13, 2011 11:02 PM 
Pump Mixing Systems Anaerobic Digesters Christopher Morphey 0 7843 Tuesday, May 24, 2011 10:55 AM 
Quaternary Ammonium Compounds David Allen 3 14039 Monday, July 11, 2011 3:05 PM 
RAS lines and clarifier balancing R Siddens 1 5213 Thursday, February 2, 2012 5:17 AM 
reduction of flows cb 2 12713 Wednesday, January 27, 2010 9:24 AM 
Request for info regarding Trojan UV systems T.O.C. 5 10188 Friday, August 10, 2012 2:22 PM 
Request for Spiral Heat Exchanger experience Richard Roberts 0 10948 Monday, March 15, 2010 7:24 AM 
Reseeding Nitrification/Denitrification Oxidation ditch Shannon Taylor 1 6182 Friday, August 19, 2011 10:46 AM 
salinity in activated sludge Greg Gress 2 7251 Thursday, June 14, 2012 5:21 AM 
Sand filters Flow rate peak cals..... SHARIFF 1 11265 Tuesday, February 23, 2010 12:45 AM 
SBR Omniflow Jerry 0 9247 Thursday, August 26, 2010 3:34 PM 
SCADA advice needed Dennis Hudson 4 10006 Thursday, October 28, 2010 3:54 PM 
Seasonal MLSS adjustment Joseph McDowell 2 16705 Sunday, April 11, 2010 2:01 PM 
Septage/Grease Screening Units Frederick Auermuller 0 5420 Tuesday, January 3, 2012 3:51 PM 
ski resort WWTP operation 01463964 0 2584 Friday, August 10, 2012 2:24 PM 
tank numbering h2ochem 1 7282 Sunday, June 26, 2011 1:22 PM 
Toxicity of Sanitizers/Commercial Cleaners David Allen 0 5353 Thursday, November 10, 2011 5:01 PM 
transportation of dewatered alum sludge Doctor Sewage 0 9321 Monday, August 2, 2010 3:55 AM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 11134 Friday, May 28, 2010 3:30 PM 
Trash Racks before Parkson Screens? L Cipparone 1 5490 Sunday, October 9, 2011 7:23 PM 
Trash(tampons, etc.) problem land application Landbiosolid 1 7568 Tuesday, September 20, 2011 10:06 AM 
Use of Larvacides for midge fly control 01632316 0 1432 Tuesday, December 22, 2015 11:19 AM 
Using Mag Hydroxide Andres Vinent 3 4628 Monday, June 25, 2012 1:17 PM 
very low SVIs!! Deb 5 10001 Monday, November 29, 2010 5:55 PM 
VFD control of Mamoth Rotors in Oxidation Ditch Greg Gress 1 5959 Tuesday, November 22, 2011 3:30 PM 
W3QLAS Activated Sludge Process Control Workshop Victor Santa Cruz 0 8326 Thursday, January 21, 2010 8:23 PM 
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