Discharges Associated with Disinfected Water

The purpose of the Disinfected Water General Permit is to discharge wastewater resulting from hydrostatic testing or disinfecting with water containing chlorine or other approved oxidants used for disinfection. Discharges are authorized to state waters after treatment. Discharges shall be in accordance with effluent limitations, monitoring requirements, and other conditions set forth in the General Permit.

Float tube in a Swimming Pool

The Disinfected 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 an applicant is authorized to discharge under the General Permit.

Go To Facts

Click the logo to go to FACTS, the Water Protection Bureau’s online system to apply for and manage wastewater and stormwater discharge permits. All permits, individual surface and groundwater as well as general permits, are included in the system.