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
Lost of pressure Chief 8 6244 Tuesday, March 15, 2011 7:02 AM 
disinfection with paracetic acid mgille 8 12587 Tuesday, July 6, 2010 10:33 AM 
High fecal coliform results Carmine Goneconte 7 10203 Sunday, November 13, 2011 10:59 PM 
P.H. Problems D.Mak 6 9822 Wednesday, September 21, 2011 7:27 AM 
Digester Gas Piping GB Gehrke 6 11528 Wednesday, November 23, 2011 7:45 AM 
Chlorine survival in activated sludge Jurek 6 11437 Sunday, November 13, 2011 11:03 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 12791 Sunday, July 25, 2010 9:08 PM 
Request for info regarding Trojan UV systems T.O.C. 5 8384 Friday, August 10, 2012 2:22 PM 
very low SVIs!! Deb 5 8519 Monday, November 29, 2010 5:55 PM 
Wastewater Blog Grant Weaver 5 10129 Monday, May 7, 2012 4:15 AM 
MBR sludge condition Elizabeth Lawrence 4 6532 Tuesday, March 22, 2011 10:29 PM 
SCADA advice needed Dennis Hudson 4 8559 Thursday, October 28, 2010 3:54 PM 
Primary clarifier chain Chris 4 8739 Sunday, November 13, 2011 11:02 PM 
aerobic digester-very high solids-odor problem jim 4 12062 Sunday, May 16, 2010 5:13 PM 
Using Mag Hydroxide Andres Vinent 3 2696 Monday, June 25, 2012 1:17 PM 
Quaternary Ammonium Compounds David Allen 3 12438 Monday, July 11, 2011 3:05 PM 
excessive dark foam on aeration tanks Mark 3 9063 Tuesday, April 5, 2011 11:33 AM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 10032 Sunday, November 13, 2011 11:00 PM 
High DO in Lagoons Kit Roush 2 3724 Tuesday, June 19, 2012 12:38 PM 
MBBR Media Tatya Tope 2 5291 Thursday, October 27, 2011 4:03 PM 
salinity in activated sludge Greg Gress 2 4891 Thursday, June 14, 2012 5:21 AM 
WASTEWATER MICROBIOLOGY & PROCESS CONTROL CLASS Terry 2 8147 Monday, August 8, 2011 1:17 PM 
managing activated sludge system during food shortage John Wang 2 8118 Wednesday, July 6, 2011 9:24 AM 
Flow verification James Royer 2 8186 Monday, October 25, 2010 12:34 PM 
ORP control Mark Milne 2 8337 Friday, November 25, 2011 1:57 AM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 9519 Saturday, November 26, 2011 10:20 AM 
Bar screen upstream level sensor Larry Dolamore 2 9169 Friday, May 28, 2010 5:15 PM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 9714 Friday, May 28, 2010 3:30 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 12089 Sunday, April 3, 2011 6:07 AM 
Measuring grit accumulation in a tank Larry Dolamore 2 9381 Sunday, May 2, 2010 1:28 PM 
reduction of flows cb 2 11218 Wednesday, January 27, 2010 9:24 AM 
Seasonal MLSS adjustment Joseph McDowell 2 15164 Sunday, April 11, 2010 2:01 PM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 2152 Sunday, April 14, 2013 7:02 PM 
Isopropanol issues 01797999 1 4149 Tuesday, August 28, 2012 2:38 PM 
We have a terrible foaming problem in our aerobic digesters DarylP 1 1178 Friday, August 10, 2012 2:18 PM 
Log Sheet Data Rock 1 1432 Tuesday, June 12, 2012 1:37 PM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 1533 Sunday, May 20, 2012 11:25 AM 
RAS lines and clarifier balancing R Siddens 1 3497 Thursday, February 2, 2012 5:17 AM 
Operations help Victoria Caulfield 1 3958 Friday, May 4, 2012 11:10 AM 
buried natural gas piping condition assessment T. Butler 1 3982 Tuesday, December 13, 2011 12:08 PM 
Trash Racks before Parkson Screens? L Cipparone 1 3959 Sunday, October 9, 2011 7:23 PM 
Why effluent clears-up after interruption of aeration? Jurek Patoczka 1 4783 Sunday, October 9, 2011 7:34 PM 
VFD control of Mamoth Rotors in Oxidation Ditch Greg Gress 1 4179 Tuesday, November 22, 2011 3:30 PM 
Reseeding Nitrification/Denitrification Oxidation ditch Shannon Taylor 1 4767 Friday, August 19, 2011 10:46 AM 
tank numbering h2ochem 1 5868 Sunday, June 26, 2011 1:22 PM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 6378 Tuesday, May 17, 2011 11:14 AM 
In line nutrient monitoring mford 1 6008 Wednesday, July 6, 2011 9:16 AM 
chemical phosphorus removal using alum david 1 5710 Thursday, April 7, 2011 1:54 PM 
Trash(tampons, etc.) problem land application Landbiosolid 1 6016 Tuesday, September 20, 2011 10:06 AM 
High COD Results evik 1 6448 Thursday, February 24, 2011 9:13 AM 
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