NRRI Coleraine

NRRI Coleraine lab prepares for the future

Once a steel company’s train repair station and research facility, NRRI’s Coleraine Labs are a maze of buildings and industrial equipment. But upgrades to infrastructure are continually underway and modern equipment keeps coming in the door.

Contact us

nrriinfo@d.umn.edu

  • (800) 234-0054

NRRI Duluth: Labs and Admin
(218) 788-2694
5013 Miller Trunk Hwy
Duluth, MN 55811
NRRI Coleraine: Minerals, Metallurgy and Biomass Conversion Labs
(218) 667-4201
PO Box 188
One Gayley Avenue
Coleraine, MN 55722
NRRI delivers applied research solutions to balance our economy, resources, and environment for resilient communities.

About NRRI

The Natural Resources Research Institute (NRRI) at the University of Minnesota-Duluth is a non-profit applied research organization with research facilities located in Duluth and Coleraine, Minnesota.

Employing over 140 scientists, engineers and technicians, NRRI performs applied research to develop and deliver the understanding and tools needed to utilize the state's resources in a balanced and responsible manner.

Our Research Teams:
NRRI provides research and development tools and data to stakeholders in the following areas:

NRRI Impact:
In FY 2018 NRRI worked with more than 80 regional clients, ranging from small and mid-size businesses to government and nonprofit entities.

NRRI News

Arial view of a dozen buildings, water feature at far back of image.
July 9, 2019

Train tracks running through NRRI’s busy Coleraine labs are a daily reminder of a busy 100-year history. But the past is long gone.

Man in white lab coat and blue gloves works at bench in laboratory
July 9, 2019

Even though Minnesota has ambitious renewable energy goals – and is well on its way to achieving them – there’s always more to learn....

Two hands holding brown granular material
June 11, 2019

You know charcoal. (Summer picnic, anyone?) But do you know about the economic and environmental benefits of its close cousin, biochar...

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