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 

RSS Feed Search
Operation and Maintenance
  Topics Topic Starter Replies Views Last Post
Activated Sludge Process Control Workshop Victor Santa Cruz 1 5994 Wednesday, February 23, 2011 11:39 PM 
Oxidation Ditch Structural Assesment watertech 1 7627 Wednesday, September 22, 2010 2:15 PM 
Where to sell New Surplus Siemens Clarifier Drive ? surplusbuyer 1 8246 Saturday, July 24, 2010 1:33 PM 
floating sludge problem JC 1 10057 Saturday, April 24, 2010 6:42 PM 
color codes for equipment and pipes deepleveltrash 1 10141 Wednesday, March 31, 2010 4:38 PM 
Outfall Shorezone Protection T. Butler 1 8191 Wednesday, March 17, 2010 12:14 PM 
head loss at air diffused system Tiger 1 10081 Monday, July 5, 2010 11:55 AM 
Sand filters Flow rate peak cals..... SHARIFF 1 9739 Tuesday, February 23, 2010 12:45 AM 
Polyethylene Glycol Treatability Keith Chapman 1 9788 Friday, November 25, 2011 1:56 AM 
Frozen tank Deerfield Wastewater 1 7155 Sunday, November 13, 2011 11:01 PM 
Control of algae growth on concrete with coatings? 01490632 0 5110 Tuesday, February 25, 2014 2:17 PM 
Nitrate Lock Extended aeration Paul Robertson 0 5577 Thursday, December 26, 2013 11:19 AM 
Alien Bugs(2) 01663302 0 3250 Monday, December 23, 2013 10:09 AM 
Portable Suspended Solids Analyzer 01471237 0 6634 Friday, August 16, 2013 9:42 AM 
Water Fleas!!!(2) 01474775 0 1731 Wednesday, May 8, 2013 10:41 AM 
Ozone for Fecal Coliform Reduction 17633991 0 1093 Sunday, April 14, 2013 6:36 PM 
Ocean Outfall assessment 01607899 0 2519 Wednesday, January 9, 2013 3:51 PM 
pH of Mixed Liquor 17627563 0 2644 Monday, December 31, 2012 11:10 AM 
Oxidation ditch 01645290 0 3189 Thursday, November 29, 2012 10:24 AM 
flow meter calibration - Requires reporting to the regulators? 01782191 0 3497 Wednesday, October 17, 2012 5:35 PM 
flow meter calibration - that is requires reporting to the regulators? 01782191 0 2218 Tuesday, October 16, 2012 9:55 PM 
Determining the settlement tank's volume Hajar 0 3818 Tuesday, September 25, 2012 7:55 PM 
WWTP Opportunity - City of Kuna, ID DPFG 0 3676 Tuesday, September 4, 2012 12:17 PM 
ski resort WWTP operation 01463964 0 779 Friday, August 10, 2012 2:24 PM 
Overheating wires with WEDECO UV system 01453718 0 769 Tuesday, August 7, 2012 2:46 PM 
Filiment Problem (O21N) Can't pinpoint the cause...Help. Daniel Knox 0 1053 Tuesday, June 26, 2012 9:52 AM 
FOG Causing Primary Clarifier Failures(4) Erwin Bonatz 0 928 Monday, May 14, 2012 10:44 AM 
FOG Causing Primary Clarifier Failures(2) Erwin Bonatz 0 984 Monday, May 14, 2012 10:38 AM 
Alkalinity control Andres Vinent 0 2895 Tuesday, February 21, 2012 3:51 PM 
Energy-Water Nexus and Pumps(2) KVertovec 0 2534 Friday, February 17, 2012 3:16 PM 
Energy-Water Nexus and Pumps KVertovec 0 2201 Friday, February 17, 2012 3:12 PM 
Affordable trash removal from biosolids Landbiosolid 0 3031 Thursday, February 9, 2012 10:13 AM 
Septage/Grease Screening Units Frederick Auermuller 0 3668 Tuesday, January 3, 2012 3:51 PM 
envirofilt JK 0 3733 Sunday, December 11, 2011 6:52 PM 
Dam Odours Nick 0 4160 Tuesday, November 29, 2011 7:24 PM 
Mercury Control Jason Graham 0 3822 Tuesday, November 29, 2011 2:09 PM 
Digester Piping Phosphate Scaling Inspection. Nash 0 3217 Wednesday, November 23, 2011 7:48 AM 
Toxicity of Sanitizers/Commercial Cleaners David Allen 0 3727 Thursday, November 10, 2011 5:01 PM 
Anaerobic capability Matt Forbes 0 4286 Wednesday, September 7, 2011 11:00 PM 
High Influent Sulfates Randy Siddens 0 4873 Tuesday, August 30, 2011 11:45 AM 
2011 Southern Oregon Water and Wastewater Short School Victor Santa Cruz 0 4449 Tuesday, August 23, 2011 8:01 PM 
Lining stainless steel air pipe Larry Dolamore 0 5366 Monday, June 27, 2011 9:13 AM 
Wastewater Microbiology/Biology Workshop Victor Santa Cruz 0 5839 Sunday, November 13, 2011 11:03 PM 
Pump Mixing Systems Anaerobic Digesters Christopher Morphey 0 6288 Tuesday, May 24, 2011 10:55 AM 
Free Webinar: The Science of Mixing and Maintaining Water Quality in Water Storage Tanks NRWA Webinar 0 6025 Tuesday, May 17, 2011 2:20 PM 
Wastewater operator training opportunity at Wausau, Wisconsin February 1, 2011. Terry 0 6723 Wednesday, January 5, 2011 9:15 AM 
Caroling Sewermen Victor Santa Cruz 0 7066 Wednesday, December 29, 2010 1:44 PM 
aerobic-anoxic operation ale 0 7311 Sunday, November 14, 2010 2:04 AM 
SBR Omniflow Jerry 0 7780 Thursday, August 26, 2010 3:34 PM 
Digester Gas treatment, Sulfa Treat, Eco tec, Jenbacher Richard Roberts 0 5464 Wednesday, August 25, 2010 1:47 PM 
 Previous 1 2 3 Next