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
High COD Results evik 1 9221 Thursday, February 24, 2011 9:13 AM 
Activated Sludge Process Control Workshop Victor Santa Cruz 1 9032 Wednesday, February 23, 2011 11:39 PM 
Oxidation Ditch Structural Assesment watertech 1 10405 Wednesday, September 22, 2010 2:15 PM 
Where to sell New Surplus Siemens Clarifier Drive ? surplusbuyer 1 11008 Saturday, July 24, 2010 1:33 PM 
floating sludge problem JC 1 12739 Saturday, April 24, 2010 6:42 PM 
color codes for equipment and pipes deepleveltrash 1 13510 Wednesday, March 31, 2010 4:38 PM 
Outfall Shorezone Protection T. Butler 1 10998 Wednesday, March 17, 2010 12:14 PM 
head loss at air diffused system Tiger 1 12820 Monday, July 5, 2010 11:55 AM 
Sand filters Flow rate peak cals..... SHARIFF 1 12556 Tuesday, February 23, 2010 12:45 AM 
Polyethylene Glycol Treatability Keith Chapman 1 13344 Friday, November 25, 2011 1:56 AM 
Frozen tank Deerfield Wastewater 1 10050 Sunday, November 13, 2011 11:01 PM 
Grit pipeline and with pinch valves sandra 0 1339 Wednesday, April 13, 2016 12:21 PM 
Use of Larvacides for midge fly control 01632316 0 2365 Tuesday, December 22, 2015 11:19 AM 
BNR Internal Recycle Cooper 0 12608 Wednesday, January 28, 2015 8:27 PM 
Control of algae growth on concrete with coatings? 01490632 0 18007 Tuesday, February 25, 2014 2:17 PM 
Nitrate Lock Extended aeration Paul Robertson 0 17722 Thursday, December 26, 2013 11:19 AM 
Alien Bugs(2) 01663302 0 14039 Monday, December 23, 2013 10:09 AM 
Portable Suspended Solids Analyzer 01471237 0 17693 Friday, August 16, 2013 9:42 AM 
Water Fleas!!!(2) 01474775 0 3583 Wednesday, May 8, 2013 10:41 AM 
Ozone for Fecal Coliform Reduction 17633991 0 4446 Sunday, April 14, 2013 6:36 PM 
Ocean Outfall assessment 01607899 0 5756 Wednesday, January 9, 2013 3:51 PM 
pH of Mixed Liquor 17627563 0 4273 Monday, December 31, 2012 11:10 AM 
Oxidation ditch 01645290 0 6584 Thursday, November 29, 2012 10:24 AM 
flow meter calibration - Requires reporting to the regulators? 01782191 0 6840 Wednesday, October 17, 2012 5:35 PM 
flow meter calibration - that is requires reporting to the regulators? 01782191 0 5559 Tuesday, October 16, 2012 9:55 PM 
Determining the settlement tank's volume Hajar 0 7062 Tuesday, September 25, 2012 7:55 PM 
WWTP Opportunity - City of Kuna, ID DPFG 0 7254 Tuesday, September 4, 2012 12:17 PM 
ski resort WWTP operation 01463964 0 4154 Friday, August 10, 2012 2:24 PM 
Overheating wires with WEDECO UV system 01453718 0 4248 Tuesday, August 7, 2012 2:46 PM 
Filiment Problem (O21N) Can't pinpoint the cause...Help. Daniel Knox 0 4381 Tuesday, June 26, 2012 9:52 AM 
FOG Causing Primary Clarifier Failures(4) Erwin Bonatz 0 4371 Monday, May 14, 2012 10:44 AM 
FOG Causing Primary Clarifier Failures(2) Erwin Bonatz 0 4334 Monday, May 14, 2012 10:38 AM 
Alkalinity control Andres Vinent 0 6651 Tuesday, February 21, 2012 3:51 PM 
Energy-Water Nexus and Pumps(2) KVertovec 0 5915 Friday, February 17, 2012 3:16 PM 
Energy-Water Nexus and Pumps KVertovec 0 5523 Friday, February 17, 2012 3:12 PM 
Affordable trash removal from biosolids Landbiosolid 0 6407 Thursday, February 9, 2012 10:13 AM 
Septage/Grease Screening Units Frederick Auermuller 0 7081 Tuesday, January 3, 2012 3:51 PM 
envirofilt JK 0 7223 Sunday, December 11, 2011 6:52 PM 
Dam Odours Nick 0 7469 Tuesday, November 29, 2011 7:24 PM 
Mercury Control Jason Graham 0 7291 Tuesday, November 29, 2011 2:09 PM 
Digester Piping Phosphate Scaling Inspection. Nash 0 6611 Wednesday, November 23, 2011 7:48 AM 
Toxicity of Sanitizers/Commercial Cleaners David Allen 0 6714 Thursday, November 10, 2011 5:01 PM 
Anaerobic capability Matt Forbes 0 7520 Wednesday, September 7, 2011 11:00 PM 
High Influent Sulfates Randy Siddens 0 7628 Tuesday, August 30, 2011 11:45 AM 
2011 Southern Oregon Water and Wastewater Short School Victor Santa Cruz 0 7186 Tuesday, August 23, 2011 8:01 PM 
Lining stainless steel air pipe Larry Dolamore 0 8108 Monday, June 27, 2011 9:13 AM 
Wastewater Microbiology/Biology Workshop Victor Santa Cruz 0 9290 Sunday, November 13, 2011 11:03 PM 
Pump Mixing Systems Anaerobic Digesters Christopher Morphey 0 9281 Tuesday, May 24, 2011 10:55 AM 
Free Webinar: The Science of Mixing and Maintaining Water Quality in Water Storage Tanks NRWA Webinar 0 9048 Tuesday, May 17, 2011 2:20 PM 
Wastewater operator training opportunity at Wausau, Wisconsin February 1, 2011. Terry 0 9934 Wednesday, January 5, 2011 9:15 AM 
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