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.

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

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
clarifier covers
dissolved air floatation
gravity belt thickeners
grit traps
lagoon covers
lagoon liners
sand filters
soil-reinforcement geotextiles
static mixers
tanks (bolted-steel)
tanks (fiberglass)
turbidity barriers

ambient air monitors
inspection robots
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
515-981-0581 fax

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Today's Water News

Selling your project to a council or board
August 26, 2014

A sneak preview of the presentation we're offering tomorrow at the Iowa AWWA short course in Ankeny:

We offer lots of presentations for qualified industry organizations, engineering firms, and operators. Call us or contact us online to schedule yours.

Ozone gas generators
July 30, 2014

Now available: Portable ozone generators for quick calibration of detectors in most types of locations.

Pump troubleshooting
July 9, 2014

Get a sneak preview of our upcoming presentation to the Ankeny Annual Water Conference. We're talking about pump troubleshooting:

See the complete list of presentations that we can make to conferences and engineering seminars.

Our neighbors make us look pretty dull
June 16, 2014

Record rainfall in Siouxland last night
June 15, 2014

Sioux Falls received 4.68" of rain in 24 hours, setting a new one-day record. Sioux City got hit hard, too, with rain and hail. Drought relief is welcome in northwest Iowa, but big storms don't really resolve a persistent shortage.

We serve the stormwater control market as well as municipal water and wastewater.

Iowa WEA convention
June 4, 2014

Maintenance: How not to hate it
April 29, 2014

A presentation delivered today to the Iowa AWWA/WEA spring short course in Ankeny.

Winter's over, but the drought isn't
April 24, 2014

Some rain fell over most of our territory during the last 24 hours, and it's badly needed. 78% of Iowa and 90% of Nebraska are in some kind of an abnormal dry spell or drought. In a recent presentation, we called this "Mother Nature's Attitude Problem" -- whether it's attributable to global warming or not, it's clear we have to accommodate weather extremes when planning for source water protection.

Request check valve quotes 24 hours a day
April 8, 2014

Our new check valve quote-request page is live and available to you 24 hours a day, 7 days a week to submit requests for quotes on check valves from anywhere in the world. If we're not your local representatives, we'll get the request into the right hands for you.

Plug valve request form is now live
April 7, 2014

Our new plug valve quote request form is now live for quick quotations on plug valves.

Gorman-Rupp named to "Most Trustworthy Companies" list
March 27, 2014

Congratulations to the people of the Gorman-Rupp company, named for the fourth time to the Forbes list of "100 Most Trustworthy Companies in America". We have trusted Gorman-Rupp since we began our formal relationship with them in 1984.

Grass fires in southern Iowa
March 26, 2014

I-35 in southern Iowa is being obscured by a grass fire this afternoon, according to KCCI-TV. We are in the opening phase of the high-risk spring wildfire season -- the effects of last year's serious drought are lingering, and until some rains come in to alleviate that risk, we're going to have a relatively high risk of wildfires. And today's high winds aren't helping anything. If you're in a high-risk area, check out our portable firefighting pumps and be prepared.

Harsh winter leads to eastern Iowa fish kills
March 25, 2014

KCRG-TV is reporting on fish kills in eastern Iowa, caused by the harsh winter. If you're trying to keep a pond or a lake free of ice, we have aeration and mixing solutions that can help. Contact us for more details.

Top ten hassles in wastewater pumping
March 24, 2014

One of many educational presentations we offer.

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For more news, visit the Water News Archives from 2005 through today