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Rural Water Supply Operations Seminar
Rural Water Supply Operations Seminar

Water Supply Officer Seminar
Water Supply Officer Seminar

Relay Pumping With Large Diameter Hose
Relay Pumping With Large Diameter Hose

Dry Fire Hydrants Seminar
FD Interface with Fire Protection Systems

Dry Fire Hydrants Seminar
Dry Fire Hydrants Seminar

Dry Fire Hydrant Designs and Installations
Dry Fire Hydrant Designs and Installations

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 Welcome to the Official Website for GBW Associates, LLC.

    

GotBigWater is the official website of GBW Associates, LLC, a privately owned training, consulting, and design firm located in Westminster, Maryland. Our specialty is water supply for public and private fire protection. We at GBW Associates, LLC are known for our training programs, our consulting services, our dry hydrants, and our testing services. Over the years, we have completed projects in over 43 different states and Canada ranging from rural water supply and incident command seminars to ISO water supply assessments to community master planning.

Use the menu at the left to take a look at our services and to contact us.  Be sure to check out the News Archive and  Big Water Information sections for a whole bunch of information on water supply delivery operations.

 Scroll down to see our recent activities, upcoming events, and website updates.

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Be sure to join the Members Area to discuss water supply issues, view our document library, and receive announcement notices concerning our website and our services- it is FREE!

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Upcoming Seminars, Courses, and Drills

Click on image to view flyer.

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New York      
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A "hasty-made" jet siphon using some rope and a length of 1-3/4" hose. Worked pretty well - we just don't show it anymore because too many things can go wrong in the execution.
A "hasty-made" jet siphon using some rope and a length of 1-3/4" hose. Worked pretty well - we just don't show it anymore because too many things can go wrong in the execution.

Dump Site Operations #39 - Old School Open Butt Jet Siphon

President Mark Davis, February 05

A few photos from our 2013 seminar in Fitzwilliam, NH at the Meadowood Area Fire Department's Fire Training Center. We were so honored to teach at this facility for it had a whole bunch of history for fire service folks throughout New England. We were sorting some photos and found the ones we took of a water transfer set-up we built using an open-butt end of 1-3/4" hose, a 25-ft length of rope, ... (Full Story & Photos)

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What's On Your Tanker #64 - Be Ready at Both Ends

President Mark Davis, January 29

We spend a fair amount of time in our seminars talking about how best to use apparatus coming to your water supply operation. Folks are generally most familiar with the mutual aid rigs that they commonly run with. It is that once-every-couple years, large-scale tanker shuttle operation where folks can encounter water haulers with which they are unfamiliar. We always say that "you get a pass" the ... (Full Story & Photos)

Large-scale tanker shuttle operations sometimes bring players to the game from far away.  Be ready to adapt fill and dump operations on the fly.
Large-scale tanker shuttle operations sometimes bring players to the game from far away. Be ready to adapt fill and dump operations on the fly.

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The new installation provides easy access to the Clarendon River along the Route 133 corridor. The installation is an example of excellent cooperative effort by the commercial property owner and the local fire department.
The new installation provides easy access to the Clarendon River along the Route 133 corridor. The installation is an example of excellent cooperative effort by the commercial property owner and the local fire department.

Dry Fire Hydrant Design #86 - Another Bridge Mount in Clarendon, Vermont

President Mark Davis, January 22

During the first week of December 2025, we completed another bridge mount dry fire hydrant installation for the Clarendon (Vermont) Volunteer Fire Department. Back in 2017, we installed one of our first systems in Vermont; that one was located on Walker Mountain Road in Clarendon. The 2025, installation involved a bridge privately owned by Casella Construction along Route 133. The unique challenge ... (Full Story & Photos)

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Dry Fire Hydrant Design #85 - Good Work by the South Salem Fire District!

President Mark E. Davis, January 15

Congratulations to the folks at the South Salem Fire District in Westchester County, New York on completing another dry fire hydrant installation. In January 2013, we completed a comprehensive water supply study/ assessment for the fire district. Since then, the fire district and fire department have worked hard to make improvements to their fire protection water supplies; they developed a plan and ... (Full Story & Photos)

Another successful installation in South Salem!
Another successful installation in South Salem!

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Loading tankers at an incredibly fast rate. Crews were credited with a 1,000 gpm for the ISO 2-hr water supply drill. Something pretty much unheard of in that era.
Loading tankers at an incredibly fast rate. Crews were credited with a 1,000 gpm for the ISO 2-hr water supply drill. Something pretty much unheard of in that era.

Haulin' Water - 42 Years Ago - Nikiski, AK - Fill Site Operations

President Mark Davis, January 08

We've been doing this work a long time...23 years under the GBW Associates, LLC moniker....a bunch of years prior to that with no moniker. July 1984 had us in Nikiski, Alaska with Larry Davis and Chief Billy Harris working on hauling big water for the folks on the Kenai Peninsula. Several, large industrial complexes populated the area and the need for alternative fire protection water supplies was ... (Full Story & Photos)

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2025 - It's a Wrap!

President Mark Davis, January 01

Many, many thanks to everyone who helped make 2025 a banner year for us here at GBW Associates, LLC. Our training seminars took us to places far and wide such as Athens, Alabama; Wheatland County, Alberta: Fairlee, Vermont: Floyd, Iowa: Watertown, South Dakota; and, Ottawa, Kansas just to name a few. Along the way we amassed just under 8,000 student hours of instruction and hauled around a million ... (Full Story & Photos)

Our first ever DFH install in Michigan was one of the many highlights for the year.
Our first ever DFH install in Michigan was one of the many highlights for the year.

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Innovation in the works!  Hopefully, this photo means something historical to NY water supply folks.
Innovation in the works! Hopefully, this photo means something historical to NY water supply folks.

What's on Your Tanker #63 - External Jet Dump

President Mark Davis, December 25

From the Larry Davis, Jr. Collection, a photo from somewhere in New York State showing an external jet dump on a tanker. This is probably a circa-1980s photo and this technology was pretty innovative at that time. Work was underway on many fronts to figure out how to make tankers dump their water faster. The external jet dump was one of the innovations that could be applied to an existing tanker. ... (Full Story & Photos)

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Dry Fire Hydrant Design #84 - Diagnosing an Air Leak

President Mark Davis, December 18

No rocket science here. A fair amount of our work involves troubleshooting dry fire hydrant and fire hydrant problems and developing recommendations/plans for repair or replacement. For dry fire hydrant suction heads, a common issue with the PVC/metal heads is failure of the sealant or gasket where the metal head is threaded into the PVC fitting. Some times this is production QC and sometimes it ... (Full Story & Photos)

A little water leak is a big air leak.
A little water leak is a big air leak.

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Your questions and feedback are important to us!  If you have a question about water supply or pumps or FD stuff in general, join our Members area (for free) to post your inquiry. We will provide our thoughts and perhaps other folks in the field will provide theirs also. 

Also - be sure to sign the guest book if this is your first time here - guestbook.

 


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