Southeastern Laboratories, Inc.
Serving the Water Treatment Industry Since 1973
We employ the latest technology and innovations
Our field engineers are among the most experienced in the boiler and cooling water treatment industry. SEL's specialists are able to provide recommendations that maximize system reliability and efficiency at an economical cost.
Southeastern Laboratories staff of highly qualified professionals are prepared to provide your company with the products and technologies you need to stay in compliance and maintain an image of environmental responsibility.
The first all natural and sustainable plant-based water treatment solution for today's water issues. Our products harness the natural properties of Sphagnum moss to improve water quality and affect every surface touched by water.
1
Operation at higher cycles in cooling towers reduces water use diminishing your carbon footprint along with lowering water and sewer costs.
2
Because treated process water systems no longer contain chemicals harmful to the environment, water can be used for other applications.
Southeastern Laboratories, Inc.
Who We Are
Incorporated in 1973, SEL is in its sixth decade of providing water treatment services and products to a wide range of industrial, commercial, governmental, and institutional users. In 2016, SEL expanded its offerings to include a plant-based water treatment program as a replacement option for their chemical treatment programs. This innovative approach to water treatment has positioned SEL as a leader in the industry's move towards more sustainable approaches to managing water.
SEL joined the CRB Water team in 2025. CRB Water, formerly known as Chemtron Riverbend, integrates the specialized capabilities of Premier Water, Browne Labs, Precision Chemical, Design Controls, and Southeastern Labs into one unified organization. Headquartered in St. Charles, Missouri, CRB Water combines deep technical expertise with responsive local support and proactive system monitoring to deliver smarter, greener, and more reliable water treatment solutions. From cooling and boiler systems to wastewater and biological treatment, CRB Water helps industrial and commercial facilities operate more efficiently, sustainably, and compliantly across North America.
Why Choose Us
Upcoming Event
AWT 2026 Annual Convention & Exposition
Location:
Oklahoma City, OK
Date: 2026/09/16-19
Location:
Oklahoma Convention Center and Omni Hotel
Oklahoma City, Oklahoma
About This Event:
The Association of Water Technologies (AWT) Annual Convention & Exposition continues to grow and evolve each year. With interactive sessions that provide you with additional industry knowledge, as well as lots of ways to network with your peers, the Annual Convention is an extremely valuable educational opportunity for all water treatment professionals.
Great Educational Sessions—You'll walk away with skills that can have an immediate effect on the future direction of your business—and impact your bottom line.
Networking—The convention is a perfect time to meet leading experts in the field and build long-term relationships.
Exposition Hall—You will learn about the latest advances in the industry and see demonstrations of products and technologies that are changing the field of water treatment.
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