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 0 763 Tuesday, August 7, 2012 2:46 PM 
ski resort WWTP operation 01463964 0 799 Friday, August 10, 2012 2:24 PM 
Portable Suspended Solids Analyzer 01471237 0 6870 Friday, August 16, 2013 9:42 AM 
Water Fleas!!!(2) 01474775 0 1745 Wednesday, May 8, 2013 10:41 AM 
Control of algae growth on concrete with coatings? 01490632 0 5551 Tuesday, February 25, 2014 2:17 PM 
Ocean Outfall assessment 01607899 0 2527 Wednesday, January 9, 2013 3:51 PM 
Oxidation ditch 01645290 0 3204 Thursday, November 29, 2012 10:24 AM 
Alien Bugs(2) 01663302 0 3477 Monday, December 23, 2013 10:09 AM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 2115 Sunday, April 14, 2013 7:02 PM 
flow meter calibration - Requires reporting to the regulators? 01782191 0 3568 Wednesday, October 17, 2012 5:35 PM 
flow meter calibration - that is requires reporting to the regulators? 01782191 0 2228 Tuesday, October 16, 2012 9:55 PM 
Isopropanol issues 01797999 1 4101 Tuesday, August 28, 2012 2:38 PM 
pH of Mixed Liquor 17627563 0 2649 Monday, December 31, 2012 11:10 AM 
Ozone for Fecal Coliform Reduction 17633991 0 1065 Sunday, April 14, 2013 6:36 PM 
aerobic-anoxic operation ale 0 7296 Sunday, November 14, 2010 2:04 AM 
Using Mag Hydroxide Andres Vinent 3 2690 Monday, June 25, 2012 1:17 PM 
Alkalinity control Andres Vinent 0 2926 Tuesday, February 21, 2012 3:51 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 12116 Sunday, April 3, 2011 6:07 AM 
High fecal coliform results Carmine Goneconte 7 10158 Sunday, November 13, 2011 10:59 PM 
reduction of flows cb 2 11257 Wednesday, January 27, 2010 9:24 AM 
Lost of pressure Chief 8 6215 Tuesday, March 15, 2011 7:02 AM 
Primary clarifier chain Chris 4 8704 Sunday, November 13, 2011 11:02 PM 
Pump Mixing Systems Anaerobic Digesters Christopher Morphey 0 6288 Tuesday, May 24, 2011 10:55 AM 
P.H. Problems D.Mak 6 9849 Wednesday, September 21, 2011 7:27 AM 
Filiment Problem (O21N) Can't pinpoint the cause...Help. Daniel Knox 0 1132 Tuesday, June 26, 2012 9:52 AM 
We have a terrible foaming problem in our aerobic digesters DarylP 1 1158 Friday, August 10, 2012 2:18 PM 
chemical phosphorus removal using alum david 1 5662 Thursday, April 7, 2011 1:54 PM 
Toxicity of Sanitizers/Commercial Cleaners David Allen 0 3744 Thursday, November 10, 2011 5:01 PM 
Quaternary Ammonium Compounds David Allen 3 12376 Monday, July 11, 2011 3:05 PM 
very low SVIs!! Deb 5 8479 Monday, November 29, 2010 5:55 PM 
color codes for equipment and pipes deepleveltrash 1 10134 Wednesday, March 31, 2010 4:38 PM 
Frozen tank Deerfield Wastewater 1 7169 Sunday, November 13, 2011 11:01 PM 
SCADA advice needed Dennis Hudson 4 8535 Thursday, October 28, 2010 3:54 PM 
transportation of dewatered alum sludge Doctor Sewage 0 7876 Monday, August 2, 2010 3:55 AM 
WWTP Opportunity - City of Kuna, ID DPFG 0 3692 Tuesday, September 4, 2012 12:17 PM 
MBR sludge condition Elizabeth Lawrence 4 6498 Tuesday, March 22, 2011 10:29 PM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 1487 Sunday, May 20, 2012 11:25 AM 
FOG Causing Primary Clarifier Failures(4) Erwin Bonatz 0 961 Monday, May 14, 2012 10:44 AM 
FOG Causing Primary Clarifier Failures(2) Erwin Bonatz 0 971 Monday, May 14, 2012 10:38 AM 
High COD Results evik 1 6417 Thursday, February 24, 2011 9:13 AM 
Septage/Grease Screening Units Frederick Auermuller 0 3655 Tuesday, January 3, 2012 3:51 PM 
Digester Gas Piping GB Gehrke 6 11475 Wednesday, November 23, 2011 7:45 AM 
Wastewater Blog Grant Weaver 5 10094 Monday, May 7, 2012 4:15 AM 
salinity in activated sludge Greg Gress 2 4867 Thursday, June 14, 2012 5:21 AM 
VFD control of Mamoth Rotors in Oxidation Ditch Greg Gress 1 4137 Tuesday, November 22, 2011 3:30 PM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 10012 Sunday, November 13, 2011 11:00 PM 
tank numbering h2ochem 1 5825 Sunday, June 26, 2011 1:22 PM 
Determining the settlement tank's volume Hajar 0 3804 Tuesday, September 25, 2012 7:55 PM 
Flow verification James Royer 2 8163 Monday, October 25, 2010 12:34 PM 
Mercury Control Jason Graham 0 3855 Tuesday, November 29, 2011 2:09 PM 
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