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
Grit pipeline and with pinch valves sandra 0 1744 Wednesday, April 13, 2016 12:21 PM 
Use of Larvacides for midge fly control 01632316 0 2748 Tuesday, December 22, 2015 11:19 AM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 3650 Sunday, May 20, 2012 11:25 AM 
Water Fleas!!!(2) 01474775 0 4078 Wednesday, May 8, 2013 10:41 AM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 4195 Sunday, April 14, 2013 7:02 PM 
ski resort WWTP operation 01463964 0 4666 Friday, August 10, 2012 2:24 PM 
Overheating wires with WEDECO UV system 01453718 0 4743 Tuesday, August 7, 2012 2:46 PM 
Using Mag Hydroxide Andres Vinent 3 4776 Monday, June 25, 2012 1:17 PM 
pH of Mixed Liquor 17627563 0 4799 Monday, December 31, 2012 11:10 AM 
FOG Causing Primary Clarifier Failures(2) Erwin Bonatz 0 4825 Monday, May 14, 2012 10:38 AM 
FOG Causing Primary Clarifier Failures(4) Erwin Bonatz 0 4876 Monday, May 14, 2012 10:44 AM 
Filiment Problem (O21N) Can't pinpoint the cause...Help. Daniel Knox 0 4883 Tuesday, June 26, 2012 9:52 AM 
Ozone for Fecal Coliform Reduction 17633991 0 4987 Sunday, April 14, 2013 6:36 PM 
We have a terrible foaming problem in our aerobic digesters DarylP 1 5153 Friday, August 10, 2012 2:18 PM 
Log Sheet Data Rock 1 5294 Tuesday, June 12, 2012 1:37 PM 
RAS lines and clarifier balancing R Siddens 1 5582 Thursday, February 2, 2012 5:17 AM 
Energy-Water Nexus and Pumps KVertovec 0 6019 Friday, February 17, 2012 3:12 PM 
flow meter calibration - that is requires reporting to the regulators? 01782191 0 6087 Tuesday, October 16, 2012 9:55 PM 
Ocean Outfall assessment 01607899 0 6252 Wednesday, January 9, 2013 3:51 PM 
Energy-Water Nexus and Pumps(2) KVertovec 0 6420 Friday, February 17, 2012 3:16 PM 
Affordable trash removal from biosolids Landbiosolid 0 6918 Thursday, February 9, 2012 10:13 AM 
Oxidation ditch 01645290 0 7099 Thursday, November 29, 2012 10:24 AM 
Digester Piping Phosphate Scaling Inspection. Nash 0 7104 Wednesday, November 23, 2011 7:48 AM 
Alkalinity control Andres Vinent 0 7121 Tuesday, February 21, 2012 3:51 PM 
Toxicity of Sanitizers/Commercial Cleaners David Allen 0 7149 Thursday, November 10, 2011 5:01 PM 
Trash Racks before Parkson Screens? L Cipparone 1 7261 Sunday, October 9, 2011 7:23 PM 
flow meter calibration - Requires reporting to the regulators? 01782191 0 7372 Wednesday, October 17, 2012 5:35 PM 
Determining the settlement tank's volume Hajar 0 7545 Tuesday, September 25, 2012 7:55 PM 
Septage/Grease Screening Units Frederick Auermuller 0 7556 Tuesday, January 3, 2012 3:51 PM 
High DO in Lagoons Kit Roush 2 7617 Tuesday, June 19, 2012 12:38 PM 
2011 Southern Oregon Water and Wastewater Short School Victor Santa Cruz 0 7639 Tuesday, August 23, 2011 8:01 PM 
envirofilt JK 0 7679 Sunday, December 11, 2011 6:52 PM 
Operations help Victoria Caulfield 1 7695 Friday, May 4, 2012 11:10 AM 
Mercury Control Jason Graham 0 7769 Tuesday, November 29, 2011 2:09 PM 
WWTP Opportunity - City of Kuna, ID DPFG 0 7770 Tuesday, September 4, 2012 12:17 PM 
Dam Odours Nick 0 7914 Tuesday, November 29, 2011 7:24 PM 
Anaerobic capability Matt Forbes 0 7975 Wednesday, September 7, 2011 11:00 PM 
Reseeding Nitrification/Denitrification Oxidation ditch Shannon Taylor 1 8012 Friday, August 19, 2011 10:46 AM 
Isopropanol issues 01797999 1 8022 Tuesday, August 28, 2012 2:38 PM 
High Influent Sulfates Randy Siddens 0 8056 Tuesday, August 30, 2011 11:45 AM 
VFD control of Mamoth Rotors in Oxidation Ditch Greg Gress 1 8163 Tuesday, November 22, 2011 3:30 PM 
buried natural gas piping condition assessment T. Butler 1 8180 Tuesday, December 13, 2011 12:08 PM 
Why effluent clears-up after interruption of aeration? Jurek Patoczka 1 8192 Sunday, October 9, 2011 7:34 PM 
managing activated sludge system during food shortage John Wang 2 8293 Wednesday, July 6, 2011 9:24 AM 
Lining stainless steel air pipe Larry Dolamore 0 8541 Monday, June 27, 2011 9:13 AM 
MBBR Media Tatya Tope 2 8595 Thursday, October 27, 2011 4:03 PM 
Digester Gas treatment, Sulfa Treat, Eco tec, Jenbacher Richard Roberts 0 8754 Wednesday, August 25, 2010 1:47 PM 
chemical phosphorus removal using alum david 1 8917 Thursday, April 7, 2011 1:54 PM 
tank numbering h2ochem 1 9072 Sunday, June 26, 2011 1:22 PM 
In line nutrient monitoring mford 1 9151 Wednesday, July 6, 2011 9:16 AM 
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