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 6214 Tuesday, March 15, 2011 7:02 AM 
Free Webinar: The Science of Mixing and Maintaining Water Quality in Water Storage Tanks NRWA Webinar 0 6028 Tuesday, May 17, 2011 2:20 PM 
Nitrate Lock Extended aeration Paul Robertson 0 6016 Thursday, December 26, 2013 11:19 AM 
Activated Sludge Process Control Workshop Victor Santa Cruz 1 6005 Wednesday, February 23, 2011 11:39 PM 
Trash(tampons, etc.) problem land application Landbiosolid 1 5985 Tuesday, September 20, 2011 10:06 AM 
In line nutrient monitoring mford 1 5978 Wednesday, July 6, 2011 9:16 AM 
tank numbering h2ochem 1 5868 Sunday, June 26, 2011 1:22 PM 
Wastewater Microbiology/Biology Workshop Victor Santa Cruz 0 5864 Sunday, November 13, 2011 11:03 PM 
chemical phosphorus removal using alum david 1 5697 Thursday, April 7, 2011 1:54 PM 
Control of algae growth on concrete with coatings? 01490632 0 5621 Tuesday, February 25, 2014 2:17 PM 
Digester Gas treatment, Sulfa Treat, Eco tec, Jenbacher Richard Roberts 0 5480 Wednesday, August 25, 2010 1:47 PM 
Lining stainless steel air pipe Larry Dolamore 0 5376 Monday, June 27, 2011 9:13 AM 
MBBR Media Tatya Tope 2 5275 Thursday, October 27, 2011 4:03 PM 
High Influent Sulfates Randy Siddens 0 4885 Tuesday, August 30, 2011 11:45 AM 
salinity in activated sludge Greg Gress 2 4868 Thursday, June 14, 2012 5:21 AM 
Why effluent clears-up after interruption of aeration? Jurek Patoczka 1 4786 Sunday, October 9, 2011 7:34 PM 
Reseeding Nitrification/Denitrification Oxidation ditch Shannon Taylor 1 4740 Friday, August 19, 2011 10:46 AM 
2011 Southern Oregon Water and Wastewater Short School Victor Santa Cruz 0 4450 Tuesday, August 23, 2011 8:01 PM 
Anaerobic capability Matt Forbes 0 4281 Wednesday, September 7, 2011 11:00 PM 
Dam Odours Nick 0 4182 Tuesday, November 29, 2011 7:24 PM 
Isopropanol issues 01797999 1 4131 Tuesday, August 28, 2012 2:38 PM 
VFD control of Mamoth Rotors in Oxidation Ditch Greg Gress 1 4128 Tuesday, November 22, 2011 3:30 PM 
Trash Racks before Parkson Screens? L Cipparone 1 3975 Sunday, October 9, 2011 7:23 PM 
buried natural gas piping condition assessment T. Butler 1 3957 Tuesday, December 13, 2011 12:08 PM 
Operations help Victoria Caulfield 1 3935 Friday, May 4, 2012 11:10 AM 
Mercury Control Jason Graham 0 3835 Tuesday, November 29, 2011 2:09 PM 
Determining the settlement tank's volume Hajar 0 3834 Tuesday, September 25, 2012 7:55 PM 
envirofilt JK 0 3747 Sunday, December 11, 2011 6:52 PM 
Toxicity of Sanitizers/Commercial Cleaners David Allen 0 3739 Thursday, November 10, 2011 5:01 PM 
High DO in Lagoons Kit Roush 2 3694 Tuesday, June 19, 2012 12:38 PM 
WWTP Opportunity - City of Kuna, ID DPFG 0 3687 Tuesday, September 4, 2012 12:17 PM 
Septage/Grease Screening Units Frederick Auermuller 0 3656 Tuesday, January 3, 2012 3:51 PM 
flow meter calibration - Requires reporting to the regulators? 01782191 0 3511 Wednesday, October 17, 2012 5:35 PM 
Alien Bugs(2) 01663302 0 3505 Monday, December 23, 2013 10:09 AM 
RAS lines and clarifier balancing R Siddens 1 3477 Thursday, February 2, 2012 5:17 AM 
Digester Piping Phosphate Scaling Inspection. Nash 0 3241 Wednesday, November 23, 2011 7:48 AM 
Oxidation ditch 01645290 0 3184 Thursday, November 29, 2012 10:24 AM 
Affordable trash removal from biosolids Landbiosolid 0 3063 Thursday, February 9, 2012 10:13 AM 
Alkalinity control Andres Vinent 0 2940 Tuesday, February 21, 2012 3:51 PM 
Using Mag Hydroxide Andres Vinent 3 2677 Monday, June 25, 2012 1:17 PM 
pH of Mixed Liquor 17627563 0 2647 Monday, December 31, 2012 11:10 AM 
Energy-Water Nexus and Pumps(2) KVertovec 0 2539 Friday, February 17, 2012 3:16 PM 
Ocean Outfall assessment 01607899 0 2524 Wednesday, January 9, 2013 3:51 PM 
flow meter calibration - that is requires reporting to the regulators? 01782191 0 2251 Tuesday, October 16, 2012 9:55 PM 
Energy-Water Nexus and Pumps KVertovec 0 2251 Friday, February 17, 2012 3:12 PM 
Ferric Flow Meters? Is it a good idea?(2) 01780074 1 2112 Sunday, April 14, 2013 7:02 PM 
Water Fleas!!!(2) 01474775 0 1766 Wednesday, May 8, 2013 10:41 AM 
FOG Causing Primary Clarifier Failures(5) Erwin Bonatz 1 1491 Sunday, May 20, 2012 11:25 AM 
Log Sheet Data Rock 1 1392 Tuesday, June 12, 2012 1:37 PM 
We have a terrible foaming problem in our aerobic digesters DarylP 1 1144 Friday, August 10, 2012 2:18 PM 
 Previous 1 2 3 Next