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
Decanting solds & scum Dwayne 1 1687 Friday, June 19, 2015 6:28 AM 
BNR Internal Recycle Cooper 0 4185 Wednesday, January 28, 2015 8:27 PM 
Control of algae growth on concrete with coatings? 01490632 0 9892 Tuesday, February 25, 2014 2:17 PM 
Nitrate Lock Extended aeration Paul Robertson 0 9611 Thursday, December 26, 2013 11:19 AM 
Alien Bugs(2) 01663302 0 6520 Monday, December 23, 2013 10:09 AM 
Portable Suspended Solids Analyzer 01471237 0 10092 Friday, August 16, 2013 9:42 AM 
Water Fleas!!!(2) 01474775 0 2064 Wednesday, May 8, 2013 10:41 AM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 2298 Sunday, April 14, 2013 7:02 PM 
Ozone for Fecal Coliform Reduction 17633991 0 1462 Sunday, April 14, 2013 6:36 PM 
Ocean Outfall assessment 01607899 0 2759 Wednesday, January 9, 2013 3:51 PM 
pH of Mixed Liquor 17627563 0 2877 Monday, December 31, 2012 11:10 AM 
Oxidation ditch 01645290 0 3466 Thursday, November 29, 2012 10:24 AM 
flow meter calibration - Requires reporting to the regulators? 01782191 0 3864 Wednesday, October 17, 2012 5:35 PM 
flow meter calibration - that is requires reporting to the regulators? 01782191 0 2483 Tuesday, October 16, 2012 9:55 PM 
Determining the settlement tank's volume Hajar 0 4057 Tuesday, September 25, 2012 7:55 PM 
WWTP Opportunity - City of Kuna, ID DPFG 0 4091 Tuesday, September 4, 2012 12:17 PM 
Isopropanol issues 01797999 1 4559 Tuesday, August 28, 2012 2:38 PM 
ski resort WWTP operation 01463964 0 1158 Friday, August 10, 2012 2:24 PM 
Request for info regarding Trojan UV systems T.O.C. 5 8628 Friday, August 10, 2012 2:22 PM 
We have a terrible foaming problem in our aerobic digesters DarylP 1 1408 Friday, August 10, 2012 2:18 PM 
Overheating wires with WEDECO UV system 01453718 0 1108 Tuesday, August 7, 2012 2:46 PM 
Filiment Problem (O21N) Can't pinpoint the cause...Help. Daniel Knox 0 1471 Tuesday, June 26, 2012 9:52 AM 
Using Mag Hydroxide Andres Vinent 3 3000 Monday, June 25, 2012 1:17 PM 
High DO in Lagoons Kit Roush 2 3879 Tuesday, June 19, 2012 12:38 PM 
salinity in activated sludge Greg Gress 2 5173 Thursday, June 14, 2012 5:21 AM 
Log Sheet Data Rock 1 1651 Tuesday, June 12, 2012 1:37 PM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 1824 Sunday, May 20, 2012 11:25 AM 
FOG Causing Primary Clarifier Failures(4) Erwin Bonatz 0 1276 Monday, May 14, 2012 10:44 AM 
FOG Causing Primary Clarifier Failures(2) Erwin Bonatz 0 1226 Monday, May 14, 2012 10:38 AM 
Wastewater Blog Grant Weaver 5 10391 Monday, May 7, 2012 4:15 AM 
Operations help Victoria Caulfield 1 4219 Friday, May 4, 2012 11:10 AM 
Alkalinity control Andres Vinent 0 3206 Tuesday, February 21, 2012 3:51 PM 
Energy-Water Nexus and Pumps(2) KVertovec 0 2789 Friday, February 17, 2012 3:16 PM 
Energy-Water Nexus and Pumps KVertovec 0 2561 Friday, February 17, 2012 3:12 PM 
Affordable trash removal from biosolids Landbiosolid 0 3276 Thursday, February 9, 2012 10:13 AM 
RAS lines and clarifier balancing R Siddens 1 3741 Thursday, February 2, 2012 5:17 AM 
Septage/Grease Screening Units Frederick Auermuller 0 3950 Tuesday, January 3, 2012 3:51 PM 
buried natural gas piping condition assessment T. Butler 1 4257 Tuesday, December 13, 2011 12:08 PM 
envirofilt JK 0 4089 Sunday, December 11, 2011 6:52 PM 
Dam Odours Nick 0 4586 Tuesday, November 29, 2011 7:24 PM 
Mercury Control Jason Graham 0 4080 Tuesday, November 29, 2011 2:09 PM 
Anaerobic sludge digestion Magnesium hyroxide slug mack72 2 9888 Saturday, November 26, 2011 10:20 AM 
ORP control Mark Milne 2 8606 Friday, November 25, 2011 1:57 AM 
Polyethylene Glycol Treatability Keith Chapman 1 10102 Friday, November 25, 2011 1:56 AM 
Digester Piping Phosphate Scaling Inspection. Nash 0 3486 Wednesday, November 23, 2011 7:48 AM 
Digester Gas Piping GB Gehrke 6 11841 Wednesday, November 23, 2011 7:45 AM 
VFD control of Mamoth Rotors in Oxidation Ditch Greg Gress 1 4382 Tuesday, November 22, 2011 3:30 PM 
Wastewater Microbiology/Biology Workshop Victor Santa Cruz 0 6177 Sunday, November 13, 2011 11:03 PM 
Chlorine survival in activated sludge Jurek 6 11654 Sunday, November 13, 2011 11:03 PM 
Primary clarifier chain Chris 4 9060 Sunday, November 13, 2011 11:02 PM 
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