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 0 608 Monday, June 15, 2015 6:25 AM 
Overheating wires with WEDECO UV system 01453718 0 852 Tuesday, August 7, 2012 2:46 PM 
ski resort WWTP operation 01463964 0 982 Friday, August 10, 2012 2:24 PM 
FOG Causing Primary Clarifier Failures(4) Erwin Bonatz 0 1113 Monday, May 14, 2012 10:44 AM 
FOG Causing Primary Clarifier Failures(2) Erwin Bonatz 0 1159 Monday, May 14, 2012 10:38 AM 
Filiment Problem (O21N) Can't pinpoint the cause...Help. Daniel Knox 0 1259 Tuesday, June 26, 2012 9:52 AM 
Ozone for Fecal Coliform Reduction 17633991 0 1276 Sunday, April 14, 2013 6:36 PM 
We have a terrible foaming problem in our aerobic digesters DarylP 1 1277 Friday, August 10, 2012 2:18 PM 
Log Sheet Data Rock 1 1487 Tuesday, June 12, 2012 1:37 PM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 1603 Sunday, May 20, 2012 11:25 AM 
Water Fleas!!!(2) 01474775 0 1888 Wednesday, May 8, 2013 10:41 AM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 2212 Sunday, April 14, 2013 7:02 PM 
flow meter calibration - that is requires reporting to the regulators? 01782191 0 2329 Tuesday, October 16, 2012 9:55 PM 
Energy-Water Nexus and Pumps KVertovec 0 2356 Friday, February 17, 2012 3:12 PM 
Energy-Water Nexus and Pumps(2) KVertovec 0 2698 Friday, February 17, 2012 3:16 PM 
Ocean Outfall assessment 01607899 0 2705 Wednesday, January 9, 2013 3:51 PM 
pH of Mixed Liquor 17627563 0 2805 Monday, December 31, 2012 11:10 AM 
Using Mag Hydroxide Andres Vinent 3 2970 Monday, June 25, 2012 1:17 PM 
Alkalinity control Andres Vinent 0 3048 Tuesday, February 21, 2012 3:51 PM 
Affordable trash removal from biosolids Landbiosolid 0 3156 Thursday, February 9, 2012 10:13 AM 
Oxidation ditch 01645290 0 3367 Thursday, November 29, 2012 10:24 AM 
Digester Piping Phosphate Scaling Inspection. Nash 0 3390 Wednesday, November 23, 2011 7:48 AM 
BNR Internal Recycle Cooper 0 3537 Wednesday, January 28, 2015 8:27 PM 
RAS lines and clarifier balancing R Siddens 1 3584 Thursday, February 2, 2012 5:17 AM 
flow meter calibration - Requires reporting to the regulators? 01782191 0 3677 Wednesday, October 17, 2012 5:35 PM 
Septage/Grease Screening Units Frederick Auermuller 0 3764 Tuesday, January 3, 2012 3:51 PM 
High DO in Lagoons Kit Roush 2 3782 Tuesday, June 19, 2012 12:38 PM 
Toxicity of Sanitizers/Commercial Cleaners David Allen 0 3827 Thursday, November 10, 2011 5:01 PM 
envirofilt JK 0 3844 Sunday, December 11, 2011 6:52 PM 
WWTP Opportunity - City of Kuna, ID DPFG 0 3881 Tuesday, September 4, 2012 12:17 PM 
Determining the settlement tank's volume Hajar 0 3910 Tuesday, September 25, 2012 7:55 PM 
Mercury Control Jason Graham 0 4050 Tuesday, November 29, 2011 2:09 PM 
Trash Racks before Parkson Screens? L Cipparone 1 4051 Sunday, October 9, 2011 7:23 PM 
buried natural gas piping condition assessment T. Butler 1 4098 Tuesday, December 13, 2011 12:08 PM 
Operations help Victoria Caulfield 1 4136 Friday, May 4, 2012 11:10 AM 
Isopropanol issues 01797999 1 4206 Tuesday, August 28, 2012 2:38 PM 
VFD control of Mamoth Rotors in Oxidation Ditch Greg Gress 1 4227 Tuesday, November 22, 2011 3:30 PM 
Dam Odours Nick 0 4328 Tuesday, November 29, 2011 7:24 PM 
Anaerobic capability Matt Forbes 0 4367 Wednesday, September 7, 2011 11:00 PM 
2011 Southern Oregon Water and Wastewater Short School Victor Santa Cruz 0 4546 Tuesday, August 23, 2011 8:01 PM 
Reseeding Nitrification/Denitrification Oxidation ditch Shannon Taylor 1 4831 Friday, August 19, 2011 10:46 AM 
Why effluent clears-up after interruption of aeration? Jurek Patoczka 1 4897 Sunday, October 9, 2011 7:34 PM 
High Influent Sulfates Randy Siddens 0 4965 Tuesday, August 30, 2011 11:45 AM 
salinity in activated sludge Greg Gress 2 5069 Thursday, June 14, 2012 5:21 AM 
MBBR Media Tatya Tope 2 5329 Thursday, October 27, 2011 4:03 PM 
Lining stainless steel air pipe Larry Dolamore 0 5435 Monday, June 27, 2011 9:13 AM 
Digester Gas treatment, Sulfa Treat, Eco tec, Jenbacher Richard Roberts 0 5580 Wednesday, August 25, 2010 1:47 PM 
chemical phosphorus removal using alum david 1 5785 Thursday, April 7, 2011 1:54 PM 
tank numbering h2ochem 1 5922 Sunday, June 26, 2011 1:22 PM 
Wastewater Microbiology/Biology Workshop Victor Santa Cruz 0 5938 Sunday, November 13, 2011 11:03 PM 
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