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 

RSS Feed Search
Operation and Maintenance
  Topics Topic Starter Replies Views Last Post
Lost of pressure Chief 8 8955 Tuesday, March 15, 2011 7:02 AM 
disinfection with paracetic acid mgille 8 15506 Tuesday, July 6, 2010 10:33 AM 
High fecal coliform results Carmine Goneconte 7 14010 Sunday, November 13, 2011 10:59 PM 
P.H. Problems D.Mak 6 12940 Wednesday, September 21, 2011 7:27 AM 
Digester Gas Piping GB Gehrke 6 13468 Wednesday, November 23, 2011 7:45 AM 
Chlorine survival in activated sludge Jurek 6 14693 Sunday, November 13, 2011 11:03 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 16610 Sunday, July 25, 2010 9:08 PM 
Request for info regarding Trojan UV systems T.O.C. 5 9923 Friday, August 10, 2012 2:22 PM 
very low SVIs!! Deb 5 11270 Monday, November 29, 2010 5:55 PM 
Wastewater Blog Grant Weaver 5 14905 Monday, May 7, 2012 4:15 AM 
MBR sludge condition Elizabeth Lawrence 4 9421 Tuesday, March 22, 2011 10:29 PM 
SCADA advice needed Dennis Hudson 4 11343 Thursday, October 28, 2010 3:54 PM 
Primary clarifier chain Chris 4 11849 Sunday, November 13, 2011 11:02 PM 
aerobic digester-very high solids-odor problem jim 4 15138 Sunday, May 16, 2010 5:13 PM 
Using Mag Hydroxide Andres Vinent 3 4292 Monday, June 25, 2012 1:17 PM 
Quaternary Ammonium Compounds David Allen 3 15404 Monday, July 11, 2011 3:05 PM 
excessive dark foam on aeration tanks Mark 3 11866 Tuesday, April 5, 2011 11:33 AM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 11472 Sunday, November 13, 2011 11:00 PM 
High DO in Lagoons Kit Roush 2 7130 Tuesday, June 19, 2012 12:38 PM 
MBBR Media Tatya Tope 2 8117 Thursday, October 27, 2011 4:03 PM 
salinity in activated sludge Greg Gress 2 9296 Thursday, June 14, 2012 5:21 AM 
WASTEWATER MICROBIOLOGY & PROCESS CONTROL CLASS Terry 2 9669 Monday, August 8, 2011 1:17 PM 
managing activated sludge system during food shortage John Wang 2 11037 Wednesday, July 6, 2011 9:24 AM 
Flow verification James Royer 2 11166 Monday, October 25, 2010 12:34 PM 
ORP control Mark Milne 2 11625 Friday, November 25, 2011 1:57 AM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 13213 Saturday, November 26, 2011 10:20 AM 
Bar screen upstream level sensor Larry Dolamore 2 10482 Friday, May 28, 2010 5:15 PM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 12383 Friday, May 28, 2010 3:30 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 15179 Sunday, April 3, 2011 6:07 AM 
Measuring grit accumulation in a tank Larry Dolamore 2 12116 Sunday, May 2, 2010 1:28 PM 
reduction of flows cb 2 14002 Wednesday, January 27, 2010 9:24 AM 
Seasonal MLSS adjustment Joseph McDowell 2 18143 Sunday, April 11, 2010 2:01 PM 
Decanting solds & scum Dwayne 1 10668 Friday, June 19, 2015 6:28 AM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 3658 Sunday, April 14, 2013 7:02 PM 
Isopropanol issues 01797999 1 7474 Tuesday, August 28, 2012 2:38 PM 
We have a terrible foaming problem in our aerobic digesters DarylP 1 4601 Friday, August 10, 2012 2:18 PM 
Log Sheet Data Rock 1 4736 Tuesday, June 12, 2012 1:37 PM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 3091 Sunday, May 20, 2012 11:25 AM 
RAS lines and clarifier balancing R Siddens 1 5067 Thursday, February 2, 2012 5:17 AM 
Operations help Victoria Caulfield 1 7206 Friday, May 4, 2012 11:10 AM 
buried natural gas piping condition assessment T. Butler 1 7594 Tuesday, December 13, 2011 12:08 PM 
Trash Racks before Parkson Screens? L Cipparone 1 6787 Sunday, October 9, 2011 7:23 PM 
Why effluent clears-up after interruption of aeration? Jurek Patoczka 1 7724 Sunday, October 9, 2011 7:34 PM 
VFD control of Mamoth Rotors in Oxidation Ditch Greg Gress 1 7594 Tuesday, November 22, 2011 3:30 PM 
Reseeding Nitrification/Denitrification Oxidation ditch Shannon Taylor 1 7540 Friday, August 19, 2011 10:46 AM 
tank numbering h2ochem 1 8592 Sunday, June 26, 2011 1:22 PM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 9251 Tuesday, May 17, 2011 11:14 AM 
In line nutrient monitoring mford 1 8691 Wednesday, July 6, 2011 9:16 AM 
chemical phosphorus removal using alum david 1 8471 Thursday, April 7, 2011 1:54 PM 
Trash(tampons, etc.) problem land application Landbiosolid 1 8863 Tuesday, September 20, 2011 10:06 AM 
 1 2 3 Next