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 0 965 Tuesday, August 7, 2012 2:46 PM 
ski resort WWTP operation 01463964 0 1000 Friday, August 10, 2012 2:24 PM 
Portable Suspended Solids Analyzer 01471237 0 13899 Friday, August 16, 2013 9:42 AM 
Water Fleas!!!(2) 01474775 0 2043 Wednesday, May 8, 2013 10:41 AM 
Control of algae growth on concrete with coatings? 01490632 0 13954 Tuesday, February 25, 2014 2:17 PM 
Ocean Outfall assessment 01607899 0 2725 Wednesday, January 9, 2013 3:51 PM 
Use of Larvacides for midge fly control 01632316 0 51 Tuesday, December 22, 2015 11:19 AM 
Oxidation ditch 01645290 0 3387 Thursday, November 29, 2012 10:24 AM 
Alien Bugs(2) 01663302 0 10240 Monday, December 23, 2013 10:09 AM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 2315 Sunday, April 14, 2013 7:02 PM 
flow meter calibration - Requires reporting to the regulators? 01782191 0 3736 Wednesday, October 17, 2012 5:35 PM 
flow meter calibration - that is requires reporting to the regulators? 01782191 0 2443 Tuesday, October 16, 2012 9:55 PM 
Isopropanol issues 01797999 1 4329 Tuesday, August 28, 2012 2:38 PM 
pH of Mixed Liquor 17627563 0 2849 Monday, December 31, 2012 11:10 AM 
Ozone for Fecal Coliform Reduction 17633991 0 1275 Sunday, April 14, 2013 6:36 PM 
aerobic-anoxic operation ale 0 7435 Sunday, November 14, 2010 2:04 AM 
Using Mag Hydroxide Andres Vinent 3 2847 Monday, June 25, 2012 1:17 PM 
Alkalinity control Andres Vinent 0 3131 Tuesday, February 21, 2012 3:51 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 12225 Sunday, April 3, 2011 6:07 AM 
High fecal coliform results Carmine Goneconte 7 10411 Sunday, November 13, 2011 10:59 PM 
reduction of flows cb 2 11329 Wednesday, January 27, 2010 9:24 AM 
Lost of pressure Chief 8 6372 Tuesday, March 15, 2011 7:02 AM 
Primary clarifier chain Chris 4 8903 Sunday, November 13, 2011 11:02 PM 
Pump Mixing Systems Anaerobic Digesters Christopher Morphey 0 6435 Tuesday, May 24, 2011 10:55 AM 
BNR Internal Recycle Cooper 0 8537 Wednesday, January 28, 2015 8:27 PM 
P.H. Problems D.Mak 6 10075 Wednesday, September 21, 2011 7:27 AM 
Filiment Problem (O21N) Can't pinpoint the cause...Help. Daniel Knox 0 1258 Tuesday, June 26, 2012 9:52 AM 
We have a terrible foaming problem in our aerobic digesters DarylP 1 1338 Friday, August 10, 2012 2:18 PM 
chemical phosphorus removal using alum david 1 5816 Thursday, April 7, 2011 1:54 PM 
Toxicity of Sanitizers/Commercial Cleaners David Allen 0 3955 Thursday, November 10, 2011 5:01 PM 
Quaternary Ammonium Compounds David Allen 3 12559 Monday, July 11, 2011 3:05 PM 
very low SVIs!! Deb 5 8634 Monday, November 29, 2010 5:55 PM 
color codes for equipment and pipes deepleveltrash 1 10297 Wednesday, March 31, 2010 4:38 PM 
Frozen tank Deerfield Wastewater 1 7374 Sunday, November 13, 2011 11:01 PM 
SCADA advice needed Dennis Hudson 4 8627 Thursday, October 28, 2010 3:54 PM 
transportation of dewatered alum sludge Doctor Sewage 0 8013 Monday, August 2, 2010 3:55 AM 
WWTP Opportunity - City of Kuna, ID DPFG 0 3934 Tuesday, September 4, 2012 12:17 PM 
Decanting solds & scum Dwayne 1 6443 Friday, June 19, 2015 6:28 AM 
MBR sludge condition Elizabeth Lawrence 4 6640 Tuesday, March 22, 2011 10:29 PM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 1711 Sunday, May 20, 2012 11:25 AM 
FOG Causing Primary Clarifier Failures(4) Erwin Bonatz 0 1164 Monday, May 14, 2012 10:44 AM 
FOG Causing Primary Clarifier Failures(2) Erwin Bonatz 0 1158 Monday, May 14, 2012 10:38 AM 
High COD Results evik 1 6571 Thursday, February 24, 2011 9:13 AM 
Septage/Grease Screening Units Frederick Auermuller 0 3864 Tuesday, January 3, 2012 3:51 PM 
Digester Gas Piping GB Gehrke 6 11699 Wednesday, November 23, 2011 7:45 AM 
Wastewater Blog Grant Weaver 5 10311 Monday, May 7, 2012 4:15 AM 
salinity in activated sludge Greg Gress 2 5052 Thursday, June 14, 2012 5:21 AM 
VFD control of Mamoth Rotors in Oxidation Ditch Greg Gress 1 4337 Tuesday, November 22, 2011 3:30 PM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 10217 Sunday, November 13, 2011 11:00 PM 
tank numbering h2ochem 1 5974 Sunday, June 26, 2011 1:22 PM 
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