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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
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 44 different states and three Canadian provinces - 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

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Not all dump chutes are the same height.  Before trying to retrofit an older, rear-dumpling tanker with a swivel chute, check your measurements to ensure the chute will clear the dump tank frame.
Not all dump chutes are the same height. Before trying to retrofit an older, rear-dumpling tanker with a swivel chute, check your measurements to ensure the chute will clear the dump tank frame.

What's On Your Tanker? #71 - Dump Chute Height Matters

President Mark Davis, August 06

This week’s topic is straightforward but highly important. When operating a swiveling rear dump chute, it is crucial to ensure that the chute clears the top of the dump tank when deployed. Although there is no specific standard for dump tank height, most tanks from major manufacturers are typically 29 inches tall. This means the dump chute must extend past the frame of the dump tank to function correctly.

The ... (Full Story & Photos)

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What's On Your Tanker #70? - Filling Through the Dump - The Odd Adaptor

President Mark Davis, July 30

Adaptors played an important role during the May 2025 seminar in Fairlee, Vermont. Fill site crews worked to speed up operations by finding a way to load Ryegate’s 3,000-gallon tanker more efficiently. Instead of relying on the single 2-1/2 inch threaded direct fill line, crews used the 6-inch round dump for filling.

To make this possible, a device was needed to connect a 6-inch cam lock to a Storz ... (Full Story & Photos)

With the right adaptor, crews were able to load this older, 3,000-gallon tanker using the 6-inch dump connection and not the 2-1/2" fill valve.  All that was needed as a 6-inch cam lock to Storz fitting...they found one...and loaded much faster.
With the right adaptor, crews were able to load this older, 3,000-gallon tanker using the 6-inch dump connection and not the 2-1/2" fill valve. All that was needed as a 6-inch cam lock to Storz fitting...they found one...and loaded much faster.

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Ready to do the water supply work!
Ready to do the water supply work!

What's On Your Engine #27? - Ready for Work

President Mark Davis, July 23

These images were taken during our April 2026 seminar in Broadbrook, Connecticut, where participants gained hands-on experience operating large capacity pumpers and tankers in a tanker shuttle operation. The featured photos highlight Broadbrook ET139, a unit with a 2,000-gallon-per-minute pump and a 2,500-gallon water tank. The pump house area is set up to enable rapid water supply operations.
Since ... (Full Story & Photos)

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Underground Tank #3 - It Isn't Full...But Maybe It Is?

President Mark Davis, July 16

Much of our work involves addressing issues with dry fire hydrants, standard fire hydrants, and underground water storage tanks. Many underground fire protection water storage tanks rely on the Cistern Vent and Sight Assembly to indicate water levels. These assemblies are generally reliable, with thousands in use without issue. However, we are sometimes contacted about sight assemblies that do not ... (Full Story & Photos)

The 30,000-gallon underground tank is full, but the site indicator shows otherwise. Not a big deal, probably an easy fix.
The 30,000-gallon underground tank is full, but the site indicator shows otherwise. Not a big deal, probably an easy fix.

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Ohio Twp Tender 3463 - a 2500-gallon beast!
Ohio Twp Tender 3463 - a 2500-gallon beast!

What's On Your Tanker #69? - A HEMTT as Tender 3463 Ohio Twp, Kansas

President Mark Davis, July 09

Last October, during our seminar in Franklin County, Kansas, a repurposed HEMTT (Heavy Expanded Mobility Tactical Truck) was featured as a water-hauling tender for the Ohio Township Fire Department. Tender 3463 is an M978 2,500-gallon fuel tanker that has been converted for use in transporting water to support fire suppression operations in the Ohio Township area.

Although not exceptionally fast, ... (Full Story & Photos)

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What's On Your Tanker #68? - Repurposed Pumper Chassis - Ramona, South Dakota

President Mark Davis, July 02

Last week, we highlighted a new wildland tender in our coverage. This week, our focus is on a functional, older wildland tender. During ourJune 2026 seminars at the South Dakota State Fire School in Watertown, South Dakota, we utilized Ramona Fire Department's 2,000-gallon tender for water hauling.

This vehicle uses a repurposed Ford pumper chassis, which has been converted to carry 2,000 gallons ... (Full Story & Photos)

Ramona FD's 2,000-gallon tender "gettin" it done at our June 2026 seminar in Watertown, SD.
Ramona FD's 2,000-gallon tender "gettin" it done at our June 2026 seminar in Watertown, SD.

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Tender 2 brings 2000 gallons of water to the game!
Tender 2 brings 2000 gallons of water to the game!

What's On Your Tanker #67? - Wildland Tender - Bruce Fire & Rescue, South Dakota

President Mark Davis, June 25

At a recent seminar in Watertown, South Dakota, participants had the opportunity to utilize a 2,000-gallon wildland-style tender from Bruce Fire & Rescue. The 2024 vehicle, built by Midwest Design and sold by M&T Fire and Safety, is engineered to supply water primarily for wildland firefighting operations. Additionally, the tender is equipped to support structural fire attacks, featuring a Newton ... (Full Story & Photos)

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Haulin' Water - South Dakota Style!

President Mark Davis, June 18

Last weekend we had the distinct privilege of presenting our Rural Water Supply Operations Seminar at the 140th South Dakota State Fire School. This was our 3rd consecutive year presenting at the school; the previous two years were our 8-hr Water Supply Officer Seminar. This year we "got outside" and spent time reviewing the best practice of hauling water with vehicles. We delivered two sessions ... (Full Story & Photos)

Efficient dump site operations was one of the key focal points of the seminar.
Efficient dump site operations was one of the key focal points of the seminar.

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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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