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
Seasonal MLSS adjustment Joseph McDowell 2 15309 Sunday, April 11, 2010 2:01 PM 
Chemical Phosphorus Removal Tyrone McCabe 6 12972 Sunday, July 25, 2010 9:08 PM 
disinfection with paracetic acid mgille 8 12779 Tuesday, July 6, 2010 10:33 AM 
Quaternary Ammonium Compounds David Allen 3 12598 Monday, July 11, 2011 3:05 PM 
Activated sludge process -WAS claculation Azmathulla Zaffrulla 2 12139 Sunday, April 3, 2011 6:07 AM 
aerobic digester-very high solids-odor problem jim 4 12110 Sunday, May 16, 2010 5:13 PM 
Operators Meeting in WI Terry 0 11746 Friday, January 8, 2010 12:20 PM 
Digester Gas Piping GB Gehrke 6 11584 Wednesday, November 23, 2011 7:45 AM 
Chlorine survival in activated sludge Jurek 6 11521 Sunday, November 13, 2011 11:03 PM 
reduction of flows cb 2 11257 Wednesday, January 27, 2010 9:24 AM 
W3QLAS Anaerobic Digestion/Solids Dewatering Process Control Workshop Victor Santa Cruz 0 10830 Thursday, January 21, 2010 8:24 PM 
High fecal coliform results Carmine Goneconte 7 10290 Sunday, November 13, 2011 10:59 PM 
color codes for equipment and pipes deepleveltrash 1 10217 Wednesday, March 31, 2010 4:38 PM 
floating sludge problem JC 1 10212 Saturday, April 24, 2010 6:42 PM 
Wastewater Blog Grant Weaver 5 10191 Monday, May 7, 2012 4:15 AM 
head loss at air diffused system Tiger 1 10109 Monday, July 5, 2010 11:55 AM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 10099 Sunday, November 13, 2011 11:00 PM 
Sand filters Flow rate peak cals..... SHARIFF 1 9964 Tuesday, February 23, 2010 12:45 AM 
P.H. Problems D.Mak 6 9963 Wednesday, September 21, 2011 7:27 AM 
Polyethylene Glycol Treatability Keith Chapman 1 9896 Friday, November 25, 2011 1:56 AM 
trash pump solids handling recommended for mixed liquor Tom Hons 2 9880 Friday, May 28, 2010 3:30 PM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 9527 Saturday, November 26, 2011 10:20 AM 
Request for Spiral Heat Exchanger experience Richard Roberts 0 9516 Monday, March 15, 2010 7:24 AM 
Measuring grit accumulation in a tank Larry Dolamore 2 9421 Sunday, May 2, 2010 1:28 PM 
Bar screen upstream level sensor Larry Dolamore 2 9192 Friday, May 28, 2010 5:15 PM 
excessive dark foam on aeration tanks Mark 3 9103 Tuesday, April 5, 2011 11:33 AM 
grey slime in trickling filters & SBRs Todd Boling 0 9079 Saturday, May 1, 2010 4:19 PM 
Primary clarifier chain Chris 4 8842 Sunday, November 13, 2011 11:02 PM 
very low SVIs!! Deb 5 8567 Monday, November 29, 2010 5:55 PM 
SCADA advice needed Dennis Hudson 4 8558 Thursday, October 28, 2010 3:54 PM 
ORP control Mark Milne 2 8550 Friday, November 25, 2011 1:57 AM 
Request for info regarding Trojan UV systems T.O.C. 5 8419 Friday, August 10, 2012 2:22 PM 
Portable Suspended Solids Analyzer 01471237 0 8417 Friday, August 16, 2013 9:42 AM 
Where to sell New Surplus Siemens Clarifier Drive ? surplusbuyer 1 8303 Saturday, July 24, 2010 1:33 PM 
Flow verification James Royer 2 8266 Monday, October 25, 2010 12:34 PM 
Outfall Shorezone Protection T. Butler 1 8242 Wednesday, March 17, 2010 12:14 PM 
WASTEWATER MICROBIOLOGY & PROCESS CONTROL CLASS Terry 2 8187 Monday, August 8, 2011 1:17 PM 
managing activated sludge system during food shortage John Wang 2 8125 Wednesday, July 6, 2011 9:24 AM 
SBR Omniflow Jerry 0 7967 Thursday, August 26, 2010 3:34 PM 
transportation of dewatered alum sludge Doctor Sewage 0 7946 Monday, August 2, 2010 3:55 AM 
Control of algae growth on concrete with coatings? 01490632 0 7944 Tuesday, February 25, 2014 2:17 PM 
Nitrate Lock Extended aeration Paul Robertson 0 7814 Thursday, December 26, 2013 11:19 AM 
Oxidation Ditch Structural Assesment watertech 1 7713 Wednesday, September 22, 2010 2:15 PM 
aerobic-anoxic operation ale 0 7433 Sunday, November 14, 2010 2:04 AM 
Frozen tank Deerfield Wastewater 1 7250 Sunday, November 13, 2011 11:01 PM 
Caroling Sewermen Victor Santa Cruz 0 7115 Wednesday, December 29, 2010 1:44 PM 
W3QLAS Activated Sludge Process Control Workshop Victor Santa Cruz 0 6835 Thursday, January 21, 2010 8:23 PM 
Wastewater operator training opportunity at Wausau, Wisconsin February 1, 2011. Terry 0 6791 Wednesday, January 5, 2011 9:15 AM 
MBR sludge condition Elizabeth Lawrence 4 6573 Tuesday, March 22, 2011 10:29 PM 
High COD Results evik 1 6462 Thursday, February 24, 2011 9:13 AM 
 1 2 3 Next