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 4735 Tuesday, August 7, 2012 2:46 PM 
ski resort WWTP operation 01463964 0 4656 Friday, August 10, 2012 2:24 PM 
Portable Suspended Solids Analyzer 01471237 0 18220 Friday, August 16, 2013 9:42 AM 
Water Fleas!!!(2) 01474775 0 4074 Wednesday, May 8, 2013 10:41 AM 
Control of algae growth on concrete with coatings? 01490632 0 18504 Tuesday, February 25, 2014 2:17 PM 
Ocean Outfall assessment 01607899 0 6243 Wednesday, January 9, 2013 3:51 PM 
Use of Larvacides for midge fly control 01632316 0 2743 Tuesday, December 22, 2015 11:19 AM 
Oxidation ditch 01645290 0 7091 Thursday, November 29, 2012 10:24 AM 
Alien Bugs(2) 01663302 0 14504 Monday, December 23, 2013 10:09 AM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 4187 Sunday, April 14, 2013 7:02 PM 
flow meter calibration - Requires reporting to the regulators? 01782191 0 7361 Wednesday, October 17, 2012 5:35 PM 
flow meter calibration - that is requires reporting to the regulators? 01782191 0 6079 Tuesday, October 16, 2012 9:55 PM 
Isopropanol issues 01797999 1 8010 Tuesday, August 28, 2012 2:38 PM 
pH of Mixed Liquor 17627563 0 4791 Monday, December 31, 2012 11:10 AM 
Ozone for Fecal Coliform Reduction 17633991 0 4979 Sunday, April 14, 2013 6:36 PM 
aerobic-anoxic operation ale 0 13090 Sunday, November 14, 2010 2:04 AM 
Using Mag Hydroxide Andres Vinent 3 4767 Monday, June 25, 2012 1:17 PM 
Alkalinity control Andres Vinent 0 7114 Tuesday, February 21, 2012 3:51 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 15719 Sunday, April 3, 2011 6:07 AM 
High fecal coliform results Carmine Goneconte 7 14466 Sunday, November 13, 2011 10:59 PM 
reduction of flows cb 2 14460 Wednesday, January 27, 2010 9:24 AM 
Lost of pressure Chief 8 9448 Tuesday, March 15, 2011 7:02 AM 
Primary clarifier chain Chris 4 12362 Sunday, November 13, 2011 11:02 PM 
Pump Mixing Systems Anaerobic Digesters Christopher Morphey 0 9757 Tuesday, May 24, 2011 10:55 AM 
BNR Internal Recycle Cooper 0 13133 Wednesday, January 28, 2015 8:27 PM 
P.H. Problems D.Mak 6 13429 Wednesday, September 21, 2011 7:27 AM 
Filiment Problem (O21N) Can't pinpoint the cause...Help. Daniel Knox 0 4875 Tuesday, June 26, 2012 9:52 AM 
We have a terrible foaming problem in our aerobic digesters DarylP 1 5147 Friday, August 10, 2012 2:18 PM 
chemical phosphorus removal using alum david 1 8913 Thursday, April 7, 2011 1:54 PM 
Toxicity of Sanitizers/Commercial Cleaners David Allen 0 7142 Thursday, November 10, 2011 5:01 PM 
Quaternary Ammonium Compounds David Allen 3 15881 Monday, July 11, 2011 3:05 PM 
very low SVIs!! Deb 5 11774 Monday, November 29, 2010 5:55 PM 
color codes for equipment and pipes deepleveltrash 1 13974 Wednesday, March 31, 2010 4:38 PM 
Frozen tank Deerfield Wastewater 1 10477 Sunday, November 13, 2011 11:01 PM 
SCADA advice needed Dennis Hudson 4 11850 Thursday, October 28, 2010 3:54 PM 
transportation of dewatered alum sludge Doctor Sewage 0 10987 Monday, August 2, 2010 3:55 AM 
WWTP Opportunity - City of Kuna, ID DPFG 0 7761 Tuesday, September 4, 2012 12:17 PM 
Decanting solds & scum Dwayne 1 11243 Friday, June 19, 2015 6:28 AM 
MBR sludge condition Elizabeth Lawrence 4 9898 Tuesday, March 22, 2011 10:29 PM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 3635 Sunday, May 20, 2012 11:25 AM 
FOG Causing Primary Clarifier Failures(4) Erwin Bonatz 0 4866 Monday, May 14, 2012 10:44 AM 
FOG Causing Primary Clarifier Failures(2) Erwin Bonatz 0 4814 Monday, May 14, 2012 10:38 AM 
High COD Results evik 1 9649 Thursday, February 24, 2011 9:13 AM 
Septage/Grease Screening Units Frederick Auermuller 0 7548 Tuesday, January 3, 2012 3:51 PM 
Digester Gas Piping GB Gehrke 6 13988 Wednesday, November 23, 2011 7:45 AM 
Wastewater Blog Grant Weaver 5 15736 Monday, May 7, 2012 4:15 AM 
salinity in activated sludge Greg Gress 2 9820 Thursday, June 14, 2012 5:21 AM 
VFD control of Mamoth Rotors in Oxidation Ditch Greg Gress 1 8152 Tuesday, November 22, 2011 3:30 PM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 11990 Sunday, November 13, 2011 11:00 PM 
tank numbering h2ochem 1 9065 Sunday, June 26, 2011 1:22 PM 
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