Dec 28, 2000

Hydra-Stop Acquired by Severn Trent Services, Inc.'s Pipeline Services Group

Severn Trent Services, Inc. has acquired Hydra-Stop, a pipeline products
and services company with special expertise in water pipelines, serving
industry and municipalities worldwide. Hydra-Stop will become a part of
the Pitometer Pipeline Services Group of Severn Trent Services, Inc.

Kevin Murphy, President of Hydra-Stop stated, "Severn Trent Services,
Inc. is an excellent fit for our products and services because of its breadth
of capabilities in both water and wastewater. We are excited about integrating
into Severn Trent Services and further growing this segment of the business."

Bill Hall, Vice President, Severn Trent Services, Pipeline Services Group
commented, "Hydra-Stop will strengthen our current pipeline capabilities
by further enhancing our expertise in rehabilitation and repair services.
We are excited about Hydra-Stop joining us at this time of dynamic growth
within our Pipeline Services Group."

Hydra-Stop, which began operations in 1980, now operates offices in Chicago,
IL and County Durham, England. The company is recognized for its proprietary
technology as applied to linestopping and linetapping.