Irwin Thomas Gravel Mine Operation

Location of the gravel mine.

A gravel mining operation is expected to begin in 2020 on the property located south of Highway 119, east of the Harvest Junction development. The gravel mine was permitted by the Boulder County Commissioners in 2002 and was annexed into Longmont in 2018. The gravel mine operation was allowed into Longmont through a PUD (Planned Unit Development).

We have included on our main website project information related to the gravel mine operation, including conditions and requirements to protect the nearby residents. Visit https://www.longmontcolorado.gov/gravel-mine to learn more.

Where is the gravel mine located?

  • A gravel mine was permitted by Boulder County in 2002 to mine a 245-acre parcel of land south of Hwy 119, east of 119th Street, north of Quail Road and west of Martin Street.

Do you have questions about the gravel mine?

Please submit any questions to us using our Q&A tool below.

Location of the gravel mine.

A gravel mining operation is expected to begin in 2020 on the property located south of Highway 119, east of the Harvest Junction development. The gravel mine was permitted by the Boulder County Commissioners in 2002 and was annexed into Longmont in 2018. The gravel mine operation was allowed into Longmont through a PUD (Planned Unit Development).

We have included on our main website project information related to the gravel mine operation, including conditions and requirements to protect the nearby residents. Visit https://www.longmontcolorado.gov/gravel-mine to learn more.

Where is the gravel mine located?

  • A gravel mine was permitted by Boulder County in 2002 to mine a 245-acre parcel of land south of Hwy 119, east of 119th Street, north of Quail Road and west of Martin Street.

Do you have questions about the gravel mine?

Please submit any questions to us using our Q&A tool below.

Please submit your question below. We'll review it and respond during normal business hours. Please note that it may take us a few days to track down answers for you!

Q&A

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