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 1351 Wednesday, April 13, 2016 12:21 PM 
Use of Larvacides for midge fly control 01632316 0 2378 Tuesday, December 22, 2015 11:19 AM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 3140 Sunday, May 20, 2012 11:25 AM 
Water Fleas!!!(2) 01474775 0 3592 Wednesday, May 8, 2013 10:41 AM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 3692 Sunday, April 14, 2013 7:02 PM 
ski resort WWTP operation 01463964 0 4172 Friday, August 10, 2012 2:24 PM 
Overheating wires with WEDECO UV system 01453718 0 4266 Tuesday, August 7, 2012 2:46 PM 
pH of Mixed Liquor 17627563 0 4283 Monday, December 31, 2012 11:10 AM 
Using Mag Hydroxide Andres Vinent 3 4337 Monday, June 25, 2012 1:17 PM 
FOG Causing Primary Clarifier Failures(2) Erwin Bonatz 0 4353 Monday, May 14, 2012 10:38 AM 
FOG Causing Primary Clarifier Failures(4) Erwin Bonatz 0 4389 Monday, May 14, 2012 10:44 AM 
Filiment Problem (O21N) Can't pinpoint the cause...Help. Daniel Knox 0 4391 Tuesday, June 26, 2012 9:52 AM 
Ozone for Fecal Coliform Reduction 17633991 0 4457 Sunday, April 14, 2013 6:36 PM 
We have a terrible foaming problem in our aerobic digesters DarylP 1 4647 Friday, August 10, 2012 2:18 PM 
Log Sheet Data Rock 1 4784 Tuesday, June 12, 2012 1:37 PM 
RAS lines and clarifier balancing R Siddens 1 5112 Thursday, February 2, 2012 5:17 AM 
Energy-Water Nexus and Pumps KVertovec 0 5537 Friday, February 17, 2012 3:12 PM 
flow meter calibration - that is requires reporting to the regulators? 01782191 0 5570 Tuesday, October 16, 2012 9:55 PM 
Ocean Outfall assessment 01607899 0 5762 Wednesday, January 9, 2013 3:51 PM 
Energy-Water Nexus and Pumps(2) KVertovec 0 5928 Friday, February 17, 2012 3:16 PM 
Affordable trash removal from biosolids Landbiosolid 0 6423 Thursday, February 9, 2012 10:13 AM 
Oxidation ditch 01645290 0 6595 Thursday, November 29, 2012 10:24 AM 
Digester Piping Phosphate Scaling Inspection. Nash 0 6626 Wednesday, November 23, 2011 7:48 AM 
Alkalinity control Andres Vinent 0 6666 Tuesday, February 21, 2012 3:51 PM 
Toxicity of Sanitizers/Commercial Cleaners David Allen 0 6724 Thursday, November 10, 2011 5:01 PM 
Trash Racks before Parkson Screens? L Cipparone 1 6825 Sunday, October 9, 2011 7:23 PM 
flow meter calibration - Requires reporting to the regulators? 01782191 0 6852 Wednesday, October 17, 2012 5:35 PM 
Determining the settlement tank's volume Hajar 0 7071 Tuesday, September 25, 2012 7:55 PM 
Septage/Grease Screening Units Frederick Auermuller 0 7094 Tuesday, January 3, 2012 3:51 PM 
High DO in Lagoons Kit Roush 2 7171 Tuesday, June 19, 2012 12:38 PM 
2011 Southern Oregon Water and Wastewater Short School Victor Santa Cruz 0 7201 Tuesday, August 23, 2011 8:01 PM 
envirofilt JK 0 7230 Sunday, December 11, 2011 6:52 PM 
Operations help Victoria Caulfield 1 7253 Friday, May 4, 2012 11:10 AM 
WWTP Opportunity - City of Kuna, ID DPFG 0 7268 Tuesday, September 4, 2012 12:17 PM 
Mercury Control Jason Graham 0 7302 Tuesday, November 29, 2011 2:09 PM 
Dam Odours Nick 0 7484 Tuesday, November 29, 2011 7:24 PM 
Isopropanol issues 01797999 1 7507 Tuesday, August 28, 2012 2:38 PM 
Anaerobic capability Matt Forbes 0 7535 Wednesday, September 7, 2011 11:00 PM 
Reseeding Nitrification/Denitrification Oxidation ditch Shannon Taylor 1 7575 Friday, August 19, 2011 10:46 AM 
High Influent Sulfates Randy Siddens 0 7644 Tuesday, August 30, 2011 11:45 AM 
VFD control of Mamoth Rotors in Oxidation Ditch Greg Gress 1 7645 Tuesday, November 22, 2011 3:30 PM 
buried natural gas piping condition assessment T. Butler 1 7653 Tuesday, December 13, 2011 12:08 PM 
Why effluent clears-up after interruption of aeration? Jurek Patoczka 1 7762 Sunday, October 9, 2011 7:34 PM 
Lining stainless steel air pipe Larry Dolamore 0 8121 Monday, June 27, 2011 9:13 AM 
MBBR Media Tatya Tope 2 8157 Thursday, October 27, 2011 4:03 PM 
Digester Gas treatment, Sulfa Treat, Eco tec, Jenbacher Richard Roberts 0 8339 Wednesday, August 25, 2010 1:47 PM 
chemical phosphorus removal using alum david 1 8511 Thursday, April 7, 2011 1:54 PM 
tank numbering h2ochem 1 8633 Sunday, June 26, 2011 1:22 PM 
In line nutrient monitoring mford 1 8734 Wednesday, July 6, 2011 9:16 AM 
Trash(tampons, etc.) problem land application Landbiosolid 1 8909 Tuesday, September 20, 2011 10:06 AM 
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