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 6280 Tuesday, March 15, 2011 7:02 AM 
disinfection with paracetic acid mgille 8 12598 Tuesday, July 6, 2010 10:33 AM 
High fecal coliform results Carmine Goneconte 7 10244 Sunday, November 13, 2011 10:59 PM 
P.H. Problems D.Mak 6 9836 Wednesday, September 21, 2011 7:27 AM 
Digester Gas Piping GB Gehrke 6 11539 Wednesday, November 23, 2011 7:45 AM 
Chlorine survival in activated sludge Jurek 6 11436 Sunday, November 13, 2011 11:03 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 12790 Sunday, July 25, 2010 9:08 PM 
Request for info regarding Trojan UV systems T.O.C. 5 8412 Friday, August 10, 2012 2:22 PM 
very low SVIs!! Deb 5 8535 Monday, November 29, 2010 5:55 PM 
Wastewater Blog Grant Weaver 5 10135 Monday, May 7, 2012 4:15 AM 
MBR sludge condition Elizabeth Lawrence 4 6519 Tuesday, March 22, 2011 10:29 PM 
SCADA advice needed Dennis Hudson 4 8522 Thursday, October 28, 2010 3:54 PM 
Primary clarifier chain Chris 4 8782 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 2695 Monday, June 25, 2012 1:17 PM 
Quaternary Ammonium Compounds David Allen 3 12426 Monday, July 11, 2011 3:05 PM 
excessive dark foam on aeration tanks Mark 3 9072 Tuesday, April 5, 2011 11:33 AM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 10083 Sunday, November 13, 2011 11:00 PM 
High DO in Lagoons Kit Roush 2 3761 Tuesday, June 19, 2012 12:38 PM 
MBBR Media Tatya Tope 2 5272 Thursday, October 27, 2011 4:03 PM 
salinity in activated sludge Greg Gress 2 4924 Thursday, June 14, 2012 5:21 AM 
WASTEWATER MICROBIOLOGY & PROCESS CONTROL CLASS Terry 2 8188 Monday, August 8, 2011 1:17 PM 
managing activated sludge system during food shortage John Wang 2 8158 Wednesday, July 6, 2011 9:24 AM 
Flow verification James Royer 2 8229 Monday, October 25, 2010 12:34 PM 
ORP control Mark Milne 2 8363 Friday, November 25, 2011 1:57 AM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 9555 Saturday, November 26, 2011 10:20 AM 
Bar screen upstream level sensor Larry Dolamore 2 9206 Friday, May 28, 2010 5:15 PM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 9746 Friday, May 28, 2010 3:30 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 12123 Sunday, April 3, 2011 6:07 AM 
Measuring grit accumulation in a tank Larry Dolamore 2 9418 Sunday, May 2, 2010 1:28 PM 
reduction of flows cb 2 11196 Wednesday, January 27, 2010 9:24 AM 
Seasonal MLSS adjustment Joseph McDowell 2 15140 Sunday, April 11, 2010 2:01 PM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 2149 Sunday, April 14, 2013 7:02 PM 
Isopropanol issues 01797999 1 4148 Tuesday, August 28, 2012 2:38 PM 
We have a terrible foaming problem in our aerobic digesters DarylP 1 1185 Friday, August 10, 2012 2:18 PM 
Log Sheet Data Rock 1 1451 Tuesday, June 12, 2012 1:37 PM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 1551 Sunday, May 20, 2012 11:25 AM 
RAS lines and clarifier balancing R Siddens 1 3493 Thursday, February 2, 2012 5:17 AM 
Operations help Victoria Caulfield 1 4009 Friday, May 4, 2012 11:10 AM 
buried natural gas piping condition assessment T. Butler 1 4035 Tuesday, December 13, 2011 12:08 PM 
Trash Racks before Parkson Screens? L Cipparone 1 3989 Sunday, October 9, 2011 7:23 PM 
Why effluent clears-up after interruption of aeration? Jurek Patoczka 1 4789 Sunday, October 9, 2011 7:34 PM 
VFD control of Mamoth Rotors in Oxidation Ditch Greg Gress 1 4177 Tuesday, November 22, 2011 3:30 PM 
Reseeding Nitrification/Denitrification Oxidation ditch Shannon Taylor 1 4770 Friday, August 19, 2011 10:46 AM 
tank numbering h2ochem 1 5865 Sunday, June 26, 2011 1:22 PM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 6412 Tuesday, May 17, 2011 11:14 AM 
In line nutrient monitoring mford 1 6007 Wednesday, July 6, 2011 9:16 AM 
chemical phosphorus removal using alum david 1 5691 Thursday, April 7, 2011 1:54 PM 
Trash(tampons, etc.) problem land application Landbiosolid 1 6051 Tuesday, September 20, 2011 10:06 AM 
High COD Results evik 1 6478 Thursday, February 24, 2011 9:13 AM 
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