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Discharges Associated with Produced Water

The purpose of the Produced Water General Permit is to regulate discharge wastewater resulting from oil/natural gas production wells to ephemeral drainage ways or holding ponds for the purpose of the prescribed beneficial use. Discharges are not authorized to state surface waters other than ephemeral drainages. The discharge for the beneficial use shall be in accordance with effluent limitations, monitoring requirements, and other conditions set forth in the General Permit.

Drill Pad

The Produced Water General Permit is in compliance with the Montana Water Quality Act, Title 75, Chapter 5, Montana Code Annotated (MCA), and the Federal Water Pollution Control Act (the “Clean Water Act”), 33 U.S.C. 1251 et. seq., A written authorization letter from the Department is required before and applicant is authorized to discharge under the General Permit.

  • General Permit for Discharges Associated with Produced Water
  • Permit Fee Schedule for Applications and Annual Fees
  • Application Package for Produced Water General Permit. 
    • Form 1 General Information Application for an individual MPDES Permit
    • Form 2C Existing Facilities
    • Form 2D New Facilities
    • Form PW-1 Produced Water Impoundment Capacity Self Evaluation
    • Water Quality Analysis – Applicants must submit a water quality analysis of the proposed discharge for the parameters listed in Table 3 of the General Permit for Discharges Associated with Produced Water (available above) as an attachment to their application package. By requiring submission of this analysis, the Department of Environmental Quality waives the water quality analysis requirements of EPA Form 2C, Section V pursuant to ARM 17.30.1322(7)(g)(i)(B). All applicants must submit this analysis whether submitting EPA Form 2C or 2D above.
  • Rules and Regulations