Notice of Review of Preliminary Draft APDES Permit AK0022951- Mendenhall Wastewater Treatment Plant

NOTICE OF REVIEW OF ANALASKA POLLUTANT DISCHARGE ELIMINATION SYSTEM (APDES) PRELIMINARY DRAFT PERMIT TO DISCHARGE TO WATERS OF THE UNITED STATES DEC has prepared an APDES preliminary draft permit for the Mendenhall Wastewater Treatment Plant. The Preliminary Draft Permit and associated documents are available to the applicant for a 10-day review. Following the close of the 10-day applicant review period, DEC will prepare a draft permit and fact sheet for a formal 30-day public review period.Public comments will be accepted during the formal 30-day review period. You can access the documents on DEC’s Wastewater Discharge Authorization Program webpage at: https://dec.alaska.gov/water/wastewaterDEC Contact:Marie Klingman610 University AvenueFairbanks, AK 99709907-451-2101marie.klingman@alaska.govPreliminary draft permit review:Start Date: October 20, 2025End Date: October 31, 2025, 11:59 p.m. Alaska Standard TimePermit No.: AK0022951Applicant:City and Borough of JuneauMendenhall Wastewater Treatment Plant 2009 Radcliffe RoadJuneau, AK 99801 Proposed Project and Location:The discharge of secondary treated domestic wastewater from the Mendenhall Wastewater Treatment Plant. Discharge will occur at a maximum daily rate of 4.9 million gallons per day to the Mendenhall River at 58° 21’ 43” North latitude 134° 35’ 53” West longitude. Seasonal mixing zones are proposed for total ammonia as nitrogen, copper, zinc, dissolved oxygen, Escherichia coli bacteria, fecal coliform bacteria, temperature, and whole effluent toxicity. A five-year compliance schedule is proposed for copper.Administrative Record:The APDES preliminary draft 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.555 Cordova StreetAnchorage, AK 99501907-269-6285610 University AvenueFairbanks, AK 99709907-451-2100410 Willoughby Ave #303Juneau, AK 99811907-465-5300 43335 Kalifornsky Beach RoadSoldotna, AK 99615907-262-52101700 E Bogard Road #BSuite #103Wasilla, AK 99654907-376-1850If you would like to see any additional supporting technical documents, contact Marie Klingman. The documents are also accessible from the DEC website at: https://dec.alaska.gov/water/wastewater/Disability Reasonable Accommodation NoticeThe 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 review, please contact Megan MacPherson at (907)269-3096 or TDD Relay Service 1-800-770-8973/TTY or dial 711 to ensure that any necessary accommodations can be provided