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 0 709 Tuesday, August 7, 2012 2:46 PM 
ski resort WWTP operation 01463964 0 731 Friday, August 10, 2012 2:24 PM 
FOG Causing Primary Clarifier Failures(4) Erwin Bonatz 0 896 Monday, May 14, 2012 10:44 AM 
FOG Causing Primary Clarifier Failures(2) Erwin Bonatz 0 910 Monday, May 14, 2012 10:38 AM 
Ozone for Fecal Coliform Reduction 17633991 0 1021 Sunday, April 14, 2013 6:36 PM 
Filiment Problem (O21N) Can't pinpoint the cause...Help. Daniel Knox 0 1060 Tuesday, June 26, 2012 9:52 AM 
We have a terrible foaming problem in our aerobic digesters DarylP 1 1100 Friday, August 10, 2012 2:18 PM 
Log Sheet Data Rock 1 1340 Tuesday, June 12, 2012 1:37 PM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 1424 Sunday, May 20, 2012 11:25 AM 
Water Fleas!!!(2) 01474775 0 1685 Wednesday, May 8, 2013 10:41 AM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 2073 Sunday, April 14, 2013 7:02 PM 
Energy-Water Nexus and Pumps KVertovec 0 2219 Friday, February 17, 2012 3:12 PM 
flow meter calibration - that is requires reporting to the regulators? 01782191 0 2249 Tuesday, October 16, 2012 9:55 PM 
Energy-Water Nexus and Pumps(2) KVertovec 0 2477 Friday, February 17, 2012 3:16 PM 
Ocean Outfall assessment 01607899 0 2488 Wednesday, January 9, 2013 3:51 PM 
Using Mag Hydroxide Andres Vinent 3 2616 Monday, June 25, 2012 1:17 PM 
pH of Mixed Liquor 17627563 0 2628 Monday, December 31, 2012 11:10 AM 
Alien Bugs(2) 01663302 0 2783 Monday, December 23, 2013 10:09 AM 
Alkalinity control Andres Vinent 0 2870 Tuesday, February 21, 2012 3:51 PM 
Affordable trash removal from biosolids Landbiosolid 0 2993 Thursday, February 9, 2012 10:13 AM 
Digester Piping Phosphate Scaling Inspection. Nash 0 3197 Wednesday, November 23, 2011 7:48 AM 
Oxidation ditch 01645290 0 3241 Thursday, November 29, 2012 10:24 AM 
RAS lines and clarifier balancing R Siddens 1 3412 Thursday, February 2, 2012 5:17 AM 
flow meter calibration - Requires reporting to the regulators? 01782191 0 3483 Wednesday, October 17, 2012 5:35 PM 
Septage/Grease Screening Units Frederick Auermuller 0 3633 Tuesday, January 3, 2012 3:51 PM 
WWTP Opportunity - City of Kuna, ID DPFG 0 3641 Tuesday, September 4, 2012 12:17 PM 
High DO in Lagoons Kit Roush 2 3652 Tuesday, June 19, 2012 12:38 PM 
Toxicity of Sanitizers/Commercial Cleaners David Allen 0 3685 Thursday, November 10, 2011 5:01 PM 
envirofilt JK 0 3690 Sunday, December 11, 2011 6:52 PM 
Mercury Control Jason Graham 0 3778 Tuesday, November 29, 2011 2:09 PM 
Determining the settlement tank's volume Hajar 0 3780 Tuesday, September 25, 2012 7:55 PM 
Operations help Victoria Caulfield 1 3884 Friday, May 4, 2012 11:10 AM 
Trash Racks before Parkson Screens? L Cipparone 1 3893 Sunday, October 9, 2011 7:23 PM 
buried natural gas piping condition assessment T. Butler 1 3912 Tuesday, December 13, 2011 12:08 PM 
Isopropanol issues 01797999 1 4063 Tuesday, August 28, 2012 2:38 PM 
VFD control of Mamoth Rotors in Oxidation Ditch Greg Gress 1 4110 Tuesday, November 22, 2011 3:30 PM 
Dam Odours Nick 0 4120 Tuesday, November 29, 2011 7:24 PM 
Control of algae growth on concrete with coatings? 01490632 0 4191 Tuesday, February 25, 2014 2:17 PM 
Anaerobic capability Matt Forbes 0 4213 Wednesday, September 7, 2011 11:00 PM 
2011 Southern Oregon Water and Wastewater Short School Victor Santa Cruz 0 4425 Tuesday, August 23, 2011 8:01 PM 
Reseeding Nitrification/Denitrification Oxidation ditch Shannon Taylor 1 4691 Friday, August 19, 2011 10:46 AM 
Why effluent clears-up after interruption of aeration? Jurek Patoczka 1 4698 Sunday, October 9, 2011 7:34 PM 
Nitrate Lock Extended aeration Paul Robertson 0 4793 Thursday, December 26, 2013 11:19 AM 
salinity in activated sludge Greg Gress 2 4801 Thursday, June 14, 2012 5:21 AM 
High Influent Sulfates Randy Siddens 0 4835 Tuesday, August 30, 2011 11:45 AM 
MBBR Media Tatya Tope 2 5197 Thursday, October 27, 2011 4:03 PM 
Lining stainless steel air pipe Larry Dolamore 0 5330 Monday, June 27, 2011 9:13 AM 
Digester Gas treatment, Sulfa Treat, Eco tec, Jenbacher Richard Roberts 0 5418 Wednesday, August 25, 2010 1:47 PM 
chemical phosphorus removal using alum david 1 5636 Thursday, April 7, 2011 1:54 PM 
Wastewater Microbiology/Biology Workshop Victor Santa Cruz 0 5778 Sunday, November 13, 2011 11:03 PM 
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