NOTICE of Review
APDES Proposed Final General Permit

Following the close of a 30-day public notice period, DEC has prepared an APDES proposed final general permit for Non-contact Cooling water.  Prior to making the final decision to issue the general permit, DEC invites you to view the proposed final general permit and associated documents. You can access the proposed final general permit and associated documents at DEC’s Wastewater Discharge Authorization Program web page at: http://www.dec.state.ak.us/water/wastewater/

Proposed Final Permit Review

Start Date: July 10, 2025

End Date: July 16, 2025, at 11:59 PM AST

Permit No.: AKG250000

Proposed Permit Coverage

Non-contact cooling water facilities discharging to fresh or marine surface water in the State of Alaska with design intake flows and discharges of less than 2.0 million gallons per day. The water is used to reduce temperature that does not come into direct contact with any raw material, intermediate product, waste product (other than heat), or finished product. Operations may include discharges of non-contact cooling water, defrost water, heat pump transfer water, and cooling tower blowdown. Non-contact cooling water maintains effective operating temperatures for buildings as well as equipment.

Mixing Zones

Applicants may request modified effluent limits and facility specific mixing zones for water-quality based effluent limits. DEC will authorize a mixing zone if it is consistent with the Clean Water Act and the mixing zone criteria at 18 AAC 70.240.

Determination

The DEC has determined to reissue the above listed general permit.

Administrative Record:

The APDES proposed final permit, fact sheet, and associated documents are available for public review at the DEC offices located in Anchorage, Fairbanks, Juneau, Soldotna, and Wasilla. Please contact the office of your choice to arrange for hard copies of the documents to be available for your review.

The documents are also accessible from the ADEC website at: http://www.dec.state.ak.us/water/wastewater/

Disability Reasonable Accommodation Notice

The State of Alaska, Department of Environmental Conservation complies with Title II of the Americans with Disabilities Act of 1990. If you are a person with a disability who may need a reasonable accommodation in order to participate in this public process, please contact ADA Coordinator Kristin Mabry, kristin.mabry@alaska.gov , 1-907-334-0884; or Alaska Relay Service/ TTY/TDD; 1-800-770-8973 or dial 711 to ensure that any necessary accommodations can be provided in a timely manner.