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
Control of algae growth on concrete with coatings? 01490632 0 5535 Tuesday, February 25, 2014 2:17 PM 
Nitrate Lock Extended aeration Paul Robertson 0 5937 Thursday, December 26, 2013 11:19 AM 
Alien Bugs(2) 01663302 0 3464 Monday, December 23, 2013 10:09 AM 
Portable Suspended Solids Analyzer 01471237 0 6862 Friday, August 16, 2013 9:42 AM 
Water Fleas!!!(2) 01474775 0 1805 Wednesday, May 8, 2013 10:41 AM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 2110 Sunday, April 14, 2013 7:02 PM 
Ozone for Fecal Coliform Reduction 17633991 0 1067 Sunday, April 14, 2013 6:36 PM 
Ocean Outfall assessment 01607899 0 2509 Wednesday, January 9, 2013 3:51 PM 
pH of Mixed Liquor 17627563 0 2653 Monday, December 31, 2012 11:10 AM 
Oxidation ditch 01645290 0 3190 Thursday, November 29, 2012 10:24 AM 
flow meter calibration - Requires reporting to the regulators? 01782191 0 3552 Wednesday, October 17, 2012 5:35 PM 
flow meter calibration - that is requires reporting to the regulators? 01782191 0 2276 Tuesday, October 16, 2012 9:55 PM 
Determining the settlement tank's volume Hajar 0 3811 Tuesday, September 25, 2012 7:55 PM 
WWTP Opportunity - City of Kuna, ID DPFG 0 3679 Tuesday, September 4, 2012 12:17 PM 
Isopropanol issues 01797999 1 4110 Tuesday, August 28, 2012 2:38 PM 
ski resort WWTP operation 01463964 0 788 Friday, August 10, 2012 2:24 PM 
Request for info regarding Trojan UV systems T.O.C. 5 8348 Friday, August 10, 2012 2:22 PM 
We have a terrible foaming problem in our aerobic digesters DarylP 1 1143 Friday, August 10, 2012 2:18 PM 
Overheating wires with WEDECO UV system 01453718 0 754 Tuesday, August 7, 2012 2:46 PM 
Filiment Problem (O21N) Can't pinpoint the cause...Help. Daniel Knox 0 1118 Tuesday, June 26, 2012 9:52 AM 
Using Mag Hydroxide Andres Vinent 3 2674 Monday, June 25, 2012 1:17 PM 
High DO in Lagoons Kit Roush 2 3710 Tuesday, June 19, 2012 12:38 PM 
salinity in activated sludge Greg Gress 2 4853 Thursday, June 14, 2012 5:21 AM 
Log Sheet Data Rock 1 1440 Tuesday, June 12, 2012 1:37 PM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 1492 Sunday, May 20, 2012 11:25 AM 
FOG Causing Primary Clarifier Failures(4) Erwin Bonatz 0 943 Monday, May 14, 2012 10:44 AM 
FOG Causing Primary Clarifier Failures(2) Erwin Bonatz 0 954 Monday, May 14, 2012 10:38 AM 
Wastewater Blog Grant Weaver 5 10077 Monday, May 7, 2012 4:15 AM 
Operations help Victoria Caulfield 1 3976 Friday, May 4, 2012 11:10 AM 
Alkalinity control Andres Vinent 0 2914 Tuesday, February 21, 2012 3:51 PM 
Energy-Water Nexus and Pumps(2) KVertovec 0 2523 Friday, February 17, 2012 3:16 PM 
Energy-Water Nexus and Pumps KVertovec 0 2204 Friday, February 17, 2012 3:12 PM 
Affordable trash removal from biosolids Landbiosolid 0 3061 Thursday, February 9, 2012 10:13 AM 
RAS lines and clarifier balancing R Siddens 1 3457 Thursday, February 2, 2012 5:17 AM 
Septage/Grease Screening Units Frederick Auermuller 0 3653 Tuesday, January 3, 2012 3:51 PM 
buried natural gas piping condition assessment T. Butler 1 3947 Tuesday, December 13, 2011 12:08 PM 
envirofilt JK 0 3757 Sunday, December 11, 2011 6:52 PM 
Dam Odours Nick 0 4159 Tuesday, November 29, 2011 7:24 PM 
Mercury Control Jason Graham 0 3839 Tuesday, November 29, 2011 2:09 PM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 9460 Saturday, November 26, 2011 10:20 AM 
ORP control Mark Milne 2 8307 Friday, November 25, 2011 1:57 AM 
Polyethylene Glycol Treatability Keith Chapman 1 9780 Friday, November 25, 2011 1:56 AM 
Digester Piping Phosphate Scaling Inspection. Nash 0 3234 Wednesday, November 23, 2011 7:48 AM 
Digester Gas Piping GB Gehrke 6 11479 Wednesday, November 23, 2011 7:45 AM 
VFD control of Mamoth Rotors in Oxidation Ditch Greg Gress 1 4123 Tuesday, November 22, 2011 3:30 PM 
Wastewater Microbiology/Biology Workshop Victor Santa Cruz 0 5829 Sunday, November 13, 2011 11:03 PM 
Chlorine survival in activated sludge Jurek 6 11391 Sunday, November 13, 2011 11:03 PM 
Primary clarifier chain Chris 4 8692 Sunday, November 13, 2011 11:02 PM 
Frozen tank Deerfield Wastewater 1 7157 Sunday, November 13, 2011 11:01 PM 
Precipitation in bulk storage tank for sodium hypochlorite? GSain 3 10000 Sunday, November 13, 2011 11:00 PM 
 1 2 3 Next