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 6246 Tuesday, March 15, 2011 7:02 AM 
disinfection with paracetic acid mgille 8 12577 Tuesday, July 6, 2010 10:33 AM 
High fecal coliform results Carmine Goneconte 7 10187 Sunday, November 13, 2011 10:59 PM 
P.H. Problems D.Mak 6 9818 Wednesday, September 21, 2011 7:27 AM 
Digester Gas Piping GB Gehrke 6 11502 Wednesday, November 23, 2011 7:45 AM 
Chlorine survival in activated sludge Jurek 6 11425 Sunday, November 13, 2011 11:03 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 12781 Sunday, July 25, 2010 9:08 PM 
Request for info regarding Trojan UV systems T.O.C. 5 8376 Friday, August 10, 2012 2:22 PM 
very low SVIs!! Deb 5 8517 Monday, November 29, 2010 5:55 PM 
Wastewater Blog Grant Weaver 5 10126 Monday, May 7, 2012 4:15 AM 
MBR sludge condition Elizabeth Lawrence 4 6504 Tuesday, March 22, 2011 10:29 PM 
SCADA advice needed Dennis Hudson 4 8501 Thursday, October 28, 2010 3:54 PM 
Primary clarifier chain Chris 4 8709 Sunday, November 13, 2011 11:02 PM 
aerobic digester-very high solids-odor problem jim 4 12054 Sunday, May 16, 2010 5:13 PM 
Using Mag Hydroxide Andres Vinent 3 2700 Monday, June 25, 2012 1:17 PM 
Quaternary Ammonium Compounds David Allen 3 12417 Monday, July 11, 2011 3:05 PM 
excessive dark foam on aeration tanks Mark 3 9075 Tuesday, April 5, 2011 11:33 AM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 10057 Sunday, November 13, 2011 11:00 PM 
High DO in Lagoons Kit Roush 2 3704 Tuesday, June 19, 2012 12:38 PM 
MBBR Media Tatya Tope 2 5250 Thursday, October 27, 2011 4:03 PM 
salinity in activated sludge Greg Gress 2 4889 Thursday, June 14, 2012 5:21 AM 
WASTEWATER MICROBIOLOGY & PROCESS CONTROL CLASS Terry 2 8151 Monday, August 8, 2011 1:17 PM 
managing activated sludge system during food shortage John Wang 2 8102 Wednesday, July 6, 2011 9:24 AM 
Flow verification James Royer 2 8158 Monday, October 25, 2010 12:34 PM 
ORP control Mark Milne 2 8335 Friday, November 25, 2011 1:57 AM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 9524 Saturday, November 26, 2011 10:20 AM 
Bar screen upstream level sensor Larry Dolamore 2 9154 Friday, May 28, 2010 5:15 PM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 9688 Friday, May 28, 2010 3:30 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 12095 Sunday, April 3, 2011 6:07 AM 
Measuring grit accumulation in a tank Larry Dolamore 2 9357 Sunday, May 2, 2010 1:28 PM 
reduction of flows cb 2 11198 Wednesday, January 27, 2010 9:24 AM 
Seasonal MLSS adjustment Joseph McDowell 2 15120 Sunday, April 11, 2010 2:01 PM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 2131 Sunday, April 14, 2013 7:02 PM 
Isopropanol issues 01797999 1 4159 Tuesday, August 28, 2012 2:38 PM 
We have a terrible foaming problem in our aerobic digesters DarylP 1 1196 Friday, August 10, 2012 2:18 PM 
Log Sheet Data Rock 1 1454 Tuesday, June 12, 2012 1:37 PM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 1547 Sunday, May 20, 2012 11:25 AM 
RAS lines and clarifier balancing R Siddens 1 3492 Thursday, February 2, 2012 5:17 AM 
Operations help Victoria Caulfield 1 3974 Friday, May 4, 2012 11:10 AM 
buried natural gas piping condition assessment T. Butler 1 4008 Tuesday, December 13, 2011 12:08 PM 
Trash Racks before Parkson Screens? L Cipparone 1 3960 Sunday, October 9, 2011 7:23 PM 
Why effluent clears-up after interruption of aeration? Jurek Patoczka 1 4774 Sunday, October 9, 2011 7:34 PM 
VFD control of Mamoth Rotors in Oxidation Ditch Greg Gress 1 4167 Tuesday, November 22, 2011 3:30 PM 
Reseeding Nitrification/Denitrification Oxidation ditch Shannon Taylor 1 4748 Friday, August 19, 2011 10:46 AM 
tank numbering h2ochem 1 5849 Sunday, June 26, 2011 1:22 PM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 6371 Tuesday, May 17, 2011 11:14 AM 
In line nutrient monitoring mford 1 6005 Wednesday, July 6, 2011 9:16 AM 
chemical phosphorus removal using alum david 1 5689 Thursday, April 7, 2011 1:54 PM 
Trash(tampons, etc.) problem land application Landbiosolid 1 5991 Tuesday, September 20, 2011 10:06 AM 
High COD Results evik 1 6437 Thursday, February 24, 2011 9:13 AM 
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