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
Overheating wires with WEDECO UV system 01453718 0 446 Tuesday, August 7, 2012 2:46 PM 
ski resort WWTP operation 01463964 0 343 Friday, August 10, 2012 2:24 PM 
Water Fleas!!!(2) 01474775 0 180 Wednesday, May 8, 2013 10:41 AM 
Ocean Outfall assessment 01607899 0 1516 Wednesday, January 9, 2013 3:51 PM 
Oxidation ditch 01645290 0 2054 Thursday, November 29, 2012 10:24 AM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 947 Sunday, April 14, 2013 7:02 PM 
flow meter calibration - Requires reporting to the regulators? 01782191 0 2396 Wednesday, October 17, 2012 5:35 PM 
flow meter calibration - that is requires reporting to the regulators? 01782191 0 1338 Tuesday, October 16, 2012 9:55 PM 
Isopropanol issues 01797999 1 3015 Tuesday, August 28, 2012 2:38 PM 
pH of Mixed Liquor 17627563 0 1622 Monday, December 31, 2012 11:10 AM 
Ozone for Fecal Coliform Reduction 17633991 0 262 Sunday, April 14, 2013 6:36 PM 
aerobic-anoxic operation ale 0 6985 Sunday, November 14, 2010 2:04 AM 
Using Mag Hydroxide Andres Vinent 3 2296 Monday, June 25, 2012 1:17 PM 
Alkalinity control Andres Vinent 0 2536 Tuesday, February 21, 2012 3:51 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 11797 Sunday, April 3, 2011 6:07 AM 
High fecal coliform results Carmine Goneconte 7 9699 Sunday, November 13, 2011 10:59 PM 
reduction of flows cb 2 10904 Wednesday, January 27, 2010 9:24 AM 
Lost of pressure Chief 8 5852 Tuesday, March 15, 2011 7:02 AM 
Primary clarifier chain Chris 4 8295 Sunday, November 13, 2011 11:02 PM 
Pump Mixing Systems Anaerobic Digesters Christopher Morphey 0 6075 Tuesday, May 24, 2011 10:55 AM 
P.H. Problems D.Mak 6 9450 Wednesday, September 21, 2011 7:27 AM 
Filiment Problem (O21N) Can't pinpoint the cause...Help. Daniel Knox 0 660 Tuesday, June 26, 2012 9:52 AM 
We have a terrible foaming problem in our aerobic digesters DarylP 1 799 Friday, August 10, 2012 2:18 PM 
chemical phosphorus removal using alum david 1 5334 Thursday, April 7, 2011 1:54 PM 
Toxicity of Sanitizers/Commercial Cleaners David Allen 0 3326 Thursday, November 10, 2011 5:01 PM 
Quaternary Ammonium Compounds David Allen 3 12022 Monday, July 11, 2011 3:05 PM 
very low SVIs!! Deb 5 8162 Monday, November 29, 2010 5:55 PM 
color codes for equipment and pipes deepleveltrash 1 9820 Wednesday, March 31, 2010 4:38 PM 
Frozen tank Deerfield Wastewater 1 6789 Sunday, November 13, 2011 11:01 PM 
SCADA advice needed Dennis Hudson 4 8150 Thursday, October 28, 2010 3:54 PM 
transportation of dewatered alum sludge Doctor Sewage 0 7561 Monday, August 2, 2010 3:55 AM 
WWTP Opportunity - City of Kuna, ID DPFG 0 2640 Tuesday, September 4, 2012 12:17 PM 
MBR sludge condition Elizabeth Lawrence 4 6152 Tuesday, March 22, 2011 10:29 PM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 1107 Sunday, May 20, 2012 11:25 AM 
FOG Causing Primary Clarifier Failures(4) Erwin Bonatz 0 557 Monday, May 14, 2012 10:44 AM 
FOG Causing Primary Clarifier Failures(2) Erwin Bonatz 0 556 Monday, May 14, 2012 10:38 AM 
High COD Results evik 1 6120 Thursday, February 24, 2011 9:13 AM 
Septage/Grease Screening Units Frederick Auermuller 0 3258 Tuesday, January 3, 2012 3:51 PM 
Digester Gas Piping GB Gehrke 6 11078 Wednesday, November 23, 2011 7:45 AM 
Wastewater Blog Grant Weaver 5 9695 Monday, May 7, 2012 4:15 AM 
salinity in activated sludge Greg Gress 2 4503 Thursday, June 14, 2012 5:21 AM 
VFD control of Mamoth Rotors in Oxidation Ditch Greg Gress 1 3757 Tuesday, November 22, 2011 3:30 PM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 9732 Sunday, November 13, 2011 11:00 PM 
tank numbering h2ochem 1 5525 Sunday, June 26, 2011 1:22 PM 
Determining the settlement tank's volume Hajar 0 2709 Tuesday, September 25, 2012 7:55 PM 
Flow verification James Royer 2 7815 Monday, October 25, 2010 12:34 PM 
Mercury Control Jason Graham 0 3433 Tuesday, November 29, 2011 2:09 PM 
floating sludge problem JC 1 9726 Saturday, April 24, 2010 6:42 PM 
SBR Omniflow Jerry 0 7527 Thursday, August 26, 2010 3:34 PM 
aerobic digester-very high solids-odor problem jim 4 11854 Sunday, May 16, 2010 5:13 PM 
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