Who We Are
Representatives for manufacturers of municipal and industrial water and wastewater treatment equipment and environmental systems, serving Iowa and Nebraska. Our online store serves the world.

Markets
municipal water treatment
municipal wastewater treatment
industrial water treatment
industrial wastewater treatment
power plants

Pumps
wastewater pumps
water pumps
sludge pumps
progressive-cavity pumps
lift stations
pressure boooster stations

Gates and Valves
air release valves
sluice gates
slide gates
flap gates
pinch valves
expansion joints

Process Equipment
aeration (fine-bubble)
aeration (coarse-bubble)
anaerobic digesters
baffle curtains
belt filter presses
clarifiers
clarifier covers
dissolved air floatation
enclosures
gravity belt thickeners
grinders
grit traps
lagoon covers
lagoon liners
mixers
sand filters
soil-reinforcement geotextiles
static mixers
tanks (bolted-steel)
tanks (fiberglass)
turbidity barriers

Instruments
ambient air monitors
flowmeters
inspection robots
samplers
toxic gas sensors
water quality monitors

Online Store
portable pumps
portable gas monitors
chlorination tablets
sump pumps

Can't find it?
DJ Gongol & Associates D.J. Gongol and Associates, Inc.
PO Box 180
4328 North Dawson
Cumming, IA 50061
515-223-4144
515-981-0581 fax
www.gongol.net
info@gongol.net

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Mechanical aerators for lagoons

September 21, 2016

One of the best-known options for lagoon aeration is a floating mechanical aerator like the Tornado from RWL Water. These operate on the principle that air can be induced to enter a submerged tube, where it can be broken apart by the shear of a small propeller to create small bubbles with a useful amount of surface area over which oxygen can be transferred into the water.

The Tornado aerator is grease-lubricated for a long and reliable service life, and uses premium-efficiency motors for low operating costs. They come with a variety of options for ease of installation and performance, including floats, erosion shields, and low-level legs. For even better oxygen transfer, optional blowers are available.

If you have applications in lagoons, sludge holding tanks, or activated sludge tanks, please contact us and we will be happy to help you.

Lift station backup options

September 7, 2016

Emergency pumping options -- join us to hear about them on September 7th

September 4, 2016

Join us at the Iowa WEA Operators Conference in Marshalltown on September 7th, when we present a talk on "Backup Power and Emergency Operations" for pumping systems. The talk follows lunch on Wednesday and is one of many presentations we make available to industry conferences, engineering firms, college programs, and other eligible organizations free of charge.

Doing More With Less

June 9, 2016

Applying the lessons of manufacturing at Toyota and Honda to the world of public works, construction, and engineering:

Gorman-Rupp Eradicator upgrade solves problems with "new sewage"

May 26, 2016

For a variety of reasons, the kinds of things entering municipal wastewater collection systems have become more challenging than ever. Gorman-Rupp's legendary solids-handling capability built into the integral design of the self-priming Super T and Ultra V pump series is already better-suited than any other pump type to the tough job of handling those solids.

Rugged solids-handling capability means less downtime, and less downtime makes for a more reliable and cost-effective system. But in those cases where the "new sewage" is making life difficult, the Eradicator upgrade takes that legendary Gorman-Rupp performance up to an even higher level.

Why might you want the Eradicator upgrade?

  • You're having problems with wipes or other stringy solids
  • Grease and oils have been congealing along with solids in your collection system and sending messy solids into your wetwells
  • Complicated solids like feathers or leaves have been showing up in your system like never before

You can get the Eradicator upgrade kit as a retrofit for existing Gorman-Rupp T Series pumps or you can get the upgrade added to a brand-new Gorman-Rupp pump. Contact us to find out more about your options.

Flexible-impeller pumps now for sale

May 17, 2016

We now feature dry-priming, positive-displacement pumps with flexible impellers from Zuwa in our online store. They come in both 110 VAC and drill-powered configurations and are good for small liquid-transfer applications.

Parallel, series, and parallel-series pumping

April 21, 2016

Or, "If we're running two pumps, why aren't we getting twice as much flow?"

One of many educational presentations we offer at conferences and by private request. Great for lunch-and-learn sessions.

Total system efficiency

March 24, 2016

When people use the word "efficiency" in the world of water systems, they're usually taking a very narrow view -- talking about something like pump hydraulic efficiency. But there is far more to the story. Total system efficiency goes much farther than that:

"Pump Maintenance and Troubleshooting" presentation

January 27, 2016

We're delivering this presentation today at the Snowball Conference in Kearney, Nebraska. Contact us if you'd like this presentation delivered at a meeting or in-house session.

Welcome, Homa!

January 11, 2016

We are pleased to welcome Homa Pump to our linecard. Homa manufactures a very wide range of submersible pumps, and we think they complement our other pump offerings quite well. The Homa range includes wet-pit, dry-pit, and shredder-style submersible pumps. Contact us with your pump inquiries anytime.

Equipment rental: Great for pilot projects and short-term needs

December 18, 2015

Sometimes, a plant doesn't need equipment permanently but only for a short period. This can happen when, for instance, a replacement plant is being constructed but existing facilities need to meet new discharge limits until the new system comes on-line. Or it can happen if a seasonal industry adds temporary loads to a wastewater stream that are only present for a few months at a time.

Under these conditions -- or if you're in a situation where a long-term trial with the option to buy fits better than an up-front purchase -- you may find something you like in the RWL Water rental program. Most RWL Water aeration products are available for rental for as little as three months at a time. And if you're using that period to run a pilot project or test trial, you can extend the lease or get credit for part of the initial rental fee applied to the purchase of the same equipment. It's an exceptional value and a great way to use public funds efficiently. Contact us for more information.


Hydrogen sulfide hazards
November 23, 2015

As colder weather sets in and doors get closed more often than they do in warmer months, now is a good time to review OSHA's guidance on the hazards of hydrogen sulfide. It's both poisonus and explosive, so take precautions to ensure your safety.

If you need assistance with monitoring hazardous gases, please take a look at our offerings from ATI or send us your questions.


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