Petroleum Tank Cleanup | Former McGaffick Service | Helena 2026

The Department of Environmental Quality (DEQ) has approved clean-up activities for the petroleum release at the former McGaffick Service. The clean-up activities are required by DEQ under the authority of 75-5-501 through 75-11-526, Montana Code Annotated (MCA) and Administrative Rules of Montana (ARM) 17.56.606. The DEQ Petroleum Tank Cleanup Section requested, reviewed, and approved the Corrective Action Plan (CAP) prepared and submitted by Air Water Soil, LLC, on behalf of the owner/operator of the facility listed below. Copies of the CAP are available upon request by contacting the Petroleum Tank Cleanup Section at the DEQ Remediation Division by emailing Thomas Dodge at thomas.dodge2@mt.gov.

FACILITY INFORMATION   

Facility Name:                         Former McGaffick Service

Facility Location:                     1020 N Last Chance Gulch, Helena, Lewis and Clark County

Facility ID:                                25-01709

TREADS ID:                               23433

Release Number:                     0656

Work Plan ID Number:           35083

The work to be conducted under the above-described CAP will include excavation and disposal of petroleum-contaminated soils, installation of a remedial system, and installation of borings and monitoring wells during the 2026 construction season, around the former McGaffick Service. The work will involve using a drill rig, an excavator, and related vehicles. Area residents and visitors can expect to see excavated soil around the former McGaffick Service for a short time. The excavated soil will be petroleum-contaminated material from the excavation pit and relocated to a waste disposal facility.

WMRD 483045

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Tags: Cleanup and Public Notice