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
Grit pipeline and with pinch valves sandra 0 3330 Wednesday, April 13, 2016 12:21 PM 
Use of Larvacides for midge fly control 01632316 0 3915 Tuesday, December 22, 2015 11:19 AM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 4825 Sunday, May 20, 2012 11:25 AM 
Water Fleas!!!(2) 01474775 0 5210 Wednesday, May 8, 2013 10:41 AM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 5322 Sunday, April 14, 2013 7:02 PM 
ski resort WWTP operation 01463964 0 5820 Friday, August 10, 2012 2:24 PM 
Using Mag Hydroxide Andres Vinent 3 5900 Monday, June 25, 2012 1:17 PM 
Overheating wires with WEDECO UV system 01453718 0 5919 Tuesday, August 7, 2012 2:46 PM 
FOG Causing Primary Clarifier Failures(2) Erwin Bonatz 0 5972 Monday, May 14, 2012 10:38 AM 
Filiment Problem (O21N) Can't pinpoint the cause...Help. Daniel Knox 0 5983 Tuesday, June 26, 2012 9:52 AM 
pH of Mixed Liquor 17627563 0 5997 Monday, December 31, 2012 11:10 AM 
FOG Causing Primary Clarifier Failures(4) Erwin Bonatz 0 6042 Monday, May 14, 2012 10:44 AM 
Ozone for Fecal Coliform Reduction 17633991 0 6214 Sunday, April 14, 2013 6:36 PM 
We have a terrible foaming problem in our aerobic digesters DarylP 1 6307 Friday, August 10, 2012 2:18 PM 
Log Sheet Data Rock 1 6408 Tuesday, June 12, 2012 1:37 PM 
RAS lines and clarifier balancing R Siddens 1 6849 Thursday, February 2, 2012 5:17 AM 
Energy-Water Nexus and Pumps KVertovec 0 7140 Friday, February 17, 2012 3:12 PM 
flow meter calibration - that is requires reporting to the regulators? 01782191 0 7236 Tuesday, October 16, 2012 9:55 PM 
Ocean Outfall assessment 01607899 0 7463 Wednesday, January 9, 2013 3:51 PM 
Energy-Water Nexus and Pumps(2) KVertovec 0 7519 Friday, February 17, 2012 3:16 PM 
Affordable trash removal from biosolids Landbiosolid 0 8008 Thursday, February 9, 2012 10:13 AM 
Digester Piping Phosphate Scaling Inspection. Nash 0 8188 Wednesday, November 23, 2011 7:48 AM 
Alkalinity control Andres Vinent 0 8214 Tuesday, February 21, 2012 3:51 PM 
Oxidation ditch 01645290 0 8250 Thursday, November 29, 2012 10:24 AM 
Toxicity of Sanitizers/Commercial Cleaners David Allen 0 8256 Thursday, November 10, 2011 5:01 PM 
Trash Racks before Parkson Screens? L Cipparone 1 8379 Sunday, October 9, 2011 7:23 PM 
flow meter calibration - Requires reporting to the regulators? 01782191 0 8528 Wednesday, October 17, 2012 5:35 PM 
2011 Southern Oregon Water and Wastewater Short School Victor Santa Cruz 0 8675 Tuesday, August 23, 2011 8:01 PM 
Septage/Grease Screening Units Frederick Auermuller 0 8686 Tuesday, January 3, 2012 3:51 PM 
Determining the settlement tank's volume Hajar 0 8699 Tuesday, September 25, 2012 7:55 PM 
High DO in Lagoons Kit Roush 2 8780 Tuesday, June 19, 2012 12:38 PM 
envirofilt JK 0 8807 Sunday, December 11, 2011 6:52 PM 
Operations help Victoria Caulfield 1 8839 Friday, May 4, 2012 11:10 AM 
Mercury Control Jason Graham 0 8901 Tuesday, November 29, 2011 2:09 PM 
WWTP Opportunity - City of Kuna, ID DPFG 0 8984 Tuesday, September 4, 2012 12:17 PM 
Dam Odours Nick 0 9022 Tuesday, November 29, 2011 7:24 PM 
Isopropanol issues 01797999 1 9112 Tuesday, August 28, 2012 2:38 PM 
Anaerobic capability Matt Forbes 0 9143 Wednesday, September 7, 2011 11:00 PM 
Reseeding Nitrification/Denitrification Oxidation ditch Shannon Taylor 1 9144 Friday, August 19, 2011 10:46 AM 
High Influent Sulfates Randy Siddens 0 9147 Tuesday, August 30, 2011 11:45 AM 
Why effluent clears-up after interruption of aeration? Jurek Patoczka 1 9310 Sunday, October 9, 2011 7:34 PM 
buried natural gas piping condition assessment T. Butler 1 9359 Tuesday, December 13, 2011 12:08 PM 
VFD control of Mamoth Rotors in Oxidation Ditch Greg Gress 1 9373 Tuesday, November 22, 2011 3:30 PM 
managing activated sludge system during food shortage John Wang 2 9610 Wednesday, July 6, 2011 9:24 AM 
Lining stainless steel air pipe Larry Dolamore 0 9669 Monday, June 27, 2011 9:13 AM 
MBBR Media Tatya Tope 2 9822 Thursday, October 27, 2011 4:03 PM 
Digester Gas treatment, Sulfa Treat, Eco tec, Jenbacher Richard Roberts 0 9843 Wednesday, August 25, 2010 1:47 PM 
chemical phosphorus removal using alum david 1 10051 Thursday, April 7, 2011 1:54 PM 
grey slime in trickling filters & SBRs Todd Boling 0 10105 Saturday, May 1, 2010 4:19 PM 
tank numbering h2ochem 1 10141 Sunday, June 26, 2011 1:22 PM 
 1 2 3 Next