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 6247 Tuesday, March 15, 2011 7:02 AM 
disinfection with paracetic acid mgille 8 12557 Tuesday, July 6, 2010 10:33 AM 
High fecal coliform results Carmine Goneconte 7 10101 Sunday, November 13, 2011 10:59 PM 
P.H. Problems D.Mak 6 9757 Wednesday, September 21, 2011 7:27 AM 
Digester Gas Piping GB Gehrke 6 11480 Wednesday, November 23, 2011 7:45 AM 
Chlorine survival in activated sludge Jurek 6 11382 Sunday, November 13, 2011 11:03 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 12739 Sunday, July 25, 2010 9:08 PM 
Request for info regarding Trojan UV systems T.O.C. 5 8331 Friday, August 10, 2012 2:22 PM 
very low SVIs!! Deb 5 8470 Monday, November 29, 2010 5:55 PM 
Wastewater Blog Grant Weaver 5 10026 Monday, May 7, 2012 4:15 AM 
MBR sludge condition Elizabeth Lawrence 4 6462 Tuesday, March 22, 2011 10:29 PM 
SCADA advice needed Dennis Hudson 4 8436 Thursday, October 28, 2010 3:54 PM 
Primary clarifier chain Chris 4 8648 Sunday, November 13, 2011 11:02 PM 
aerobic digester-very high solids-odor problem jim 4 12031 Sunday, May 16, 2010 5:13 PM 
Using Mag Hydroxide Andres Vinent 3 2632 Monday, June 25, 2012 1:17 PM 
Quaternary Ammonium Compounds David Allen 3 12341 Monday, July 11, 2011 3:05 PM 
excessive dark foam on aeration tanks Mark 3 9007 Tuesday, April 5, 2011 11:33 AM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 9951 Sunday, November 13, 2011 11:00 PM 
High DO in Lagoons Kit Roush 2 3679 Tuesday, June 19, 2012 12:38 PM 
MBBR Media Tatya Tope 2 5201 Thursday, October 27, 2011 4:03 PM 
salinity in activated sludge Greg Gress 2 4797 Thursday, June 14, 2012 5:21 AM 
WASTEWATER MICROBIOLOGY & PROCESS CONTROL CLASS Terry 2 8165 Monday, August 8, 2011 1:17 PM 
managing activated sludge system during food shortage John Wang 2 8048 Wednesday, July 6, 2011 9:24 AM 
Flow verification James Royer 2 8128 Monday, October 25, 2010 12:34 PM 
ORP control Mark Milne 2 8271 Friday, November 25, 2011 1:57 AM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 9418 Saturday, November 26, 2011 10:20 AM 
Bar screen upstream level sensor Larry Dolamore 2 9107 Friday, May 28, 2010 5:15 PM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 9650 Friday, May 28, 2010 3:30 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 12026 Sunday, April 3, 2011 6:07 AM 
Measuring grit accumulation in a tank Larry Dolamore 2 9323 Sunday, May 2, 2010 1:28 PM 
reduction of flows cb 2 11146 Wednesday, January 27, 2010 9:24 AM 
Seasonal MLSS adjustment Joseph McDowell 2 15074 Sunday, April 11, 2010 2:01 PM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 2079 Sunday, April 14, 2013 7:02 PM 
Isopropanol issues 01797999 1 4066 Tuesday, August 28, 2012 2:38 PM 
We have a terrible foaming problem in our aerobic digesters DarylP 1 1095 Friday, August 10, 2012 2:18 PM 
Log Sheet Data Rock 1 1355 Tuesday, June 12, 2012 1:37 PM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 1432 Sunday, May 20, 2012 11:25 AM 
RAS lines and clarifier balancing R Siddens 1 3404 Thursday, February 2, 2012 5:17 AM 
Operations help Victoria Caulfield 1 3897 Friday, May 4, 2012 11:10 AM 
buried natural gas piping condition assessment T. Butler 1 3910 Tuesday, December 13, 2011 12:08 PM 
Trash Racks before Parkson Screens? L Cipparone 1 3919 Sunday, October 9, 2011 7:23 PM 
Why effluent clears-up after interruption of aeration? Jurek Patoczka 1 4688 Sunday, October 9, 2011 7:34 PM 
VFD control of Mamoth Rotors in Oxidation Ditch Greg Gress 1 4137 Tuesday, November 22, 2011 3:30 PM 
Reseeding Nitrification/Denitrification Oxidation ditch Shannon Taylor 1 4710 Friday, August 19, 2011 10:46 AM 
tank numbering h2ochem 1 5787 Sunday, June 26, 2011 1:22 PM 
Free webinar: pharmaceutical disposal and preventing pollution NRWA CW 1 6329 Tuesday, May 17, 2011 11:14 AM 
In line nutrient monitoring mford 1 5942 Wednesday, July 6, 2011 9:16 AM 
chemical phosphorus removal using alum david 1 5657 Thursday, April 7, 2011 1:54 PM 
Trash(tampons, etc.) problem land application Landbiosolid 1 5939 Tuesday, September 20, 2011 10:06 AM 
High COD Results evik 1 6379 Thursday, February 24, 2011 9:13 AM 
 1 2 3 Next