Water Quality | Gildford Colony, Inc. | Hill County | Comment Period Closes September 8, 2026

August 07 2026

APPLICANT NAME:
Gildford Colony, Inc.

FACILITY NAME:
Gildford Colony, Inc.

FACILITY LOCATION:
Hill County

RECEIVING WATER:
Ninemile Coulee to Milk River
Unnamed tributary to Ninemile Coulee to Milk River

PERMIT NUMBER:
MTG010356

The Montana Department of Environmental Quality (DEQ) is proposing to issue new authorization under the 2023 Concentrated Animal Feeding Operation (CAFO) General Permit (GP) for a medium CAFO with maximum daily animal confinement of 8 mature dairy cows, 500 cow/calf pairs, 20 horses, 500 sheep, 50,000-layer chickens, and 1,000 ducks to Gildford Colony.

The MPDES CAFO General Permit MTG010000 regulates the manure, litter, and process wastewater generated by CAFOs to ensure that CAFO activities do not harm water quality.

The facility’s NOI-NMP package is being made available for a 30-day public review and comment period. During the public comment period, any interested person may submit written comments and may request a public hearing. A request for a public hearing must be in writing and must state the nature of the issues proposed to be raised in the hearing. DEQ will respond to any significant comments received during the comment period, and if necessary, require the CAFO owner or operator to review the NMP.

Associated Materials:

Comment Period Ends: September 8, 2026

Send Comments To:

DEQ Water Quality Division
Water Protection Bureau
PO Box 200901
Helena, MT 59620

Or electronically to: DEQWPBPublicComments@mt.gov

Tags: MEPA, Public Comment and Water