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
Oxidation Ditch Structural Assesment watertech 1 7640 Wednesday, September 22, 2010 2:15 PM 
Operations help Victoria Caulfield 1 3975 Friday, May 4, 2012 11:10 AM 
2011 Southern Oregon Water and Wastewater Short School Victor Santa Cruz 0 4451 Tuesday, August 23, 2011 8:01 PM 
Wastewater Microbiology/Biology Workshop Victor Santa Cruz 0 5827 Sunday, November 13, 2011 11:03 PM 
Caroling Sewermen Victor Santa Cruz 0 7045 Wednesday, December 29, 2010 1:44 PM 
Activated Sludge Process Control Workshop Victor Santa Cruz 1 6001 Wednesday, February 23, 2011 11:39 PM 
W3QLAS Anaerobic Digestion/Solids Dewatering Process Control Workshop Victor Santa Cruz 0 10805 Thursday, January 21, 2010 8:24 PM 
W3QLAS Activated Sludge Process Control Workshop Victor Santa Cruz 0 6800 Thursday, January 21, 2010 8:23 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 12750 Sunday, July 25, 2010 9:08 PM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 9772 Friday, May 28, 2010 3:30 PM 
grey slime in trickling filters & SBRs Todd Boling 0 9045 Saturday, May 1, 2010 4:19 PM 
head loss at air diffused system Tiger 1 10062 Monday, July 5, 2010 11:55 AM 
WASTEWATER MICROBIOLOGY & PROCESS CONTROL CLASS Terry 2 8110 Monday, August 8, 2011 1:17 PM 
Wastewater operator training opportunity at Wausau, Wisconsin February 1, 2011. Terry 0 6744 Wednesday, January 5, 2011 9:15 AM 
Operators Meeting in WI Terry 0 11677 Friday, January 8, 2010 12:20 PM 
MBBR Media Tatya Tope 2 5231 Thursday, October 27, 2011 4:03 PM 
Request for info regarding Trojan UV systems T.O.C. 5 8347 Friday, August 10, 2012 2:22 PM 
buried natural gas piping condition assessment T. Butler 1 3946 Tuesday, December 13, 2011 12:08 PM 
Outfall Shorezone Protection T. Butler 1 8200 Wednesday, March 17, 2010 12:14 PM 
Where to sell New Surplus Siemens Clarifier Drive ? surplusbuyer 1 8302 Saturday, July 24, 2010 1:33 PM 
Sand filters Flow rate peak cals..... SHARIFF 1 9755 Tuesday, February 23, 2010 12:45 AM 
Reseeding Nitrification/Denitrification Oxidation ditch Shannon Taylor 1 4721 Friday, August 19, 2011 10:46 AM 
Log Sheet Data Rock 1 1439 Tuesday, June 12, 2012 1:37 PM 
Digester Gas treatment, Sulfa Treat, Eco tec, Jenbacher Richard Roberts 0 5467 Wednesday, August 25, 2010 1:47 PM 
Request for Spiral Heat Exchanger experience Richard Roberts 0 9568 Monday, March 15, 2010 7:24 AM 
High Influent Sulfates Randy Siddens 0 4961 Tuesday, August 30, 2011 11:45 AM 
RAS lines and clarifier balancing R Siddens 1 3455 Thursday, February 2, 2012 5:17 AM 
Nitrate Lock Extended aeration Paul Robertson 0 5935 Thursday, December 26, 2013 11:19 AM 
Free Webinar: The Science of Mixing and Maintaining Water Quality in Water Storage Tanks NRWA Webinar 0 6033 Tuesday, May 17, 2011 2:20 PM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 6433 Tuesday, May 17, 2011 11:14 AM 
Dam Odours Nick 0 4157 Tuesday, November 29, 2011 7:24 PM 
Digester Piping Phosphate Scaling Inspection. Nash 0 3242 Wednesday, November 23, 2011 7:48 AM 
disinfection with paracetic acid mgille 8 12611 Tuesday, July 6, 2010 10:33 AM 
In line nutrient monitoring mford 1 6008 Wednesday, July 6, 2011 9:16 AM 
Anaerobic capability Matt Forbes 0 4230 Wednesday, September 7, 2011 11:00 PM 
ORP control Mark Milne 2 8306 Friday, November 25, 2011 1:57 AM 
excessive dark foam on aeration tanks Mark 3 9168 Tuesday, April 5, 2011 11:33 AM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 9458 Saturday, November 26, 2011 10:20 AM 
Lining stainless steel air pipe Larry Dolamore 0 5358 Monday, June 27, 2011 9:13 AM 
Bar screen upstream level sensor Larry Dolamore 2 9133 Friday, May 28, 2010 5:15 PM 
Measuring grit accumulation in a tank Larry Dolamore 2 9338 Sunday, May 2, 2010 1:28 PM 
Affordable trash removal from biosolids Landbiosolid 0 3058 Thursday, February 9, 2012 10:13 AM 
Trash(tampons, etc.) problem land application Landbiosolid 1 6026 Tuesday, September 20, 2011 10:06 AM 
Trash Racks before Parkson Screens? L Cipparone 1 3942 Sunday, October 9, 2011 7:23 PM 
Energy-Water Nexus and Pumps(2) KVertovec 0 2541 Friday, February 17, 2012 3:16 PM 
Energy-Water Nexus and Pumps KVertovec 0 2205 Friday, February 17, 2012 3:12 PM 
High DO in Lagoons Kit Roush 2 3709 Tuesday, June 19, 2012 12:38 PM 
Polyethylene Glycol Treatability Keith Chapman 1 9778 Friday, November 25, 2011 1:56 AM 
Why effluent clears-up after interruption of aeration? Jurek Patoczka 1 4740 Sunday, October 9, 2011 7:34 PM 
Chlorine survival in activated sludge Jurek 6 11391 Sunday, November 13, 2011 11:03 PM 
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