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Home My WebLink About2026-09-01 PL-REZ-2026-000104 DEM Wastewater Comments _____________________________________________ Item #5 Talon 1 Properties (PL-REZ-2026-000104/Amend REZ 727) 2026-09-01 DEM Wastewater Comments Info Given at WPC 9-3-26 Meeting From: Roy, Alex To: Steen, Raimee Subject: FW: PL-SMA-2025-000085 / PL-REZ-2026-000104 – Request for Wastewater Comments – TMK (3) 2-2-033:011 Date: Wednesday, September 2, 2026 9:37:08 AM Attachments:2026-09-01 PL-REZ-2026-000104 - TMK 2-2-033-011.pdf Location Map TMK 2-2-033-011.pdf Alex J. Roy, MSc County of Hawaii Planning Department – Hilo Office SMA Section – Planner VI From: Kajiyama, Susan (Amelia) <Amelia.Kajiyama@hawaiicounty.gov> Sent: Tuesday, September 1, 2026 1:54 PM To: Roy, Alex <Alex.Roy@hawaiicounty.gov>; WasteWater Admin internet email <cohwwdadmin@hawaiicounty.gov>; Laude, Christopher <Christopher.Laude@hawaiicounty.gov> Cc: Jackson, Maija <Maija.Jackson@hawaiicounty.gov> Subject: RE: PL-SMA-2025-000085 / PL-REZ-2026-000104 – Request for Wastewater Comments – TMK (3) 2-2-033:011 Hi Alex, Please see attached comments and Location Map. Please let us know if you need anything else. Kind Regards, Amelia S.Amelia Kajiyama Civil Engineer III Hawaii County DEM Wastewater Division _____________________________________________ 345 Kekūanāo‘a St Ste 41 Hilo, HI 96720 (808)961-8587 Cell (808) 640-6235 amelia.kajiyama@hawaiicounty.gov From: Roy, Alex <Alex.Roy@hawaiicounty.gov> Sent: Friday, August 28, 2026 8:00 AM To: WasteWater Admin internet email <cohwwdadmin@hawaiicounty.gov>; Laude, Christopher <Christopher.Laude@hawaiicounty.gov> Cc: Jackson, Maija <Maija.Jackson@hawaiicounty.gov> Subject: PL-SMA-2025-000085 / PL-REZ-2026-000104 – Request for Wastewater Comments – TMK (3) 2-2-033:011 Aloha Wastewater Division, The Planning Department is currently processing Special Management Area Use Permit Application PL-SMA-2025-000085 and Change of Zone Amendment Application PL-REZ- 2026-000104 (Amend REZ 727) for Talon 1 Properties LLC, involving TMK: (3) 2-2- 033:011, located at 525 Piʻilani Street, Waiākea, South Hilo, Hawaiʻi. The current proposal is to construct and operate a three-story, approximately 98,500-square-foot self-storage warehouse containing approximately 264 storage units, together with associated parking, loading areas, drainage, utility improvements, and related development. The project also proposes extension of the County sewer system from its existing terminus near the intersection of Piʻilani Street and Mililani Street. In 2018, the Planning Department processed SMA Use Permit Application SMA 18- 000070 and an amendment to Change of Zone Ordinance No. 92-122 (REZ 727) for the same parcel. That prior proposal involved development of a potable water well and bottling facility with related improvements. In comments dated June 25, 2018, the Department of Environmental Management, Wastewater Division, indicated that a County Council Resolution would be required to approve an extension of the County sewer pursuant to Hawaiʻi County Code §21-26.1; that, if required by the DEM Director, the applicant would need to prepare a sewer study to evaluate the downstream wastewater system and identify any necessary sewer-line or facility improvements; and that the proposed connection to the County sewer should be accomplished via Piʻilani Street. Because the current self-storage proposal differs substantially from the 2018 water bottling facility, please advise whether these prior wastewater requirements remain applicable to PL-SMA-2025-000085 and PL-REZ-2026-000104. In particular, please confirm: (1) whether a County Council Resolution is still required for the proposed sewer extension; (2) whether a sewer study will be required prior to connection and, if so, the appropriate timing for completion of that study; (3) whether the connection or extension must be constructed via Piʻilani Street, or whether another alignment, including the proposed Mililani Street alignment, may be acceptable; and (4) whether any additional sewer-extension, capacity, facility-improvement, or connection requirements should be incorporated into the conditions of the Change of Zone amendment and/or SMA Use Permit. We would appreciate any recommended condition language DEM believes should be included in the land use approvals. Thank you, Alex J. Roy, MSc County of Hawaii Planning Department – Hilo Office SMA Section – Planner VI County of Hawai‘i DEPARTMENT OF ENVIRONMENTAL MANAGEMENT 345 Kekūanāoʻa Street, Suite 41 · Hilo, Hawai‘i 96720 · cohdem@hawaiicounty.gov Ph: (808) 961-8083 · Fax: (808) 961-8086 Hawai‘i County is an Equal Opportunity Provider and Employer Daniel Girvan, P.E. Director Craig Kawaguchi Deputy Director C.Kimo Alameda, Ph.D.Mayor William V. Brilhante Jr. Managing Director MEMORANDUM Date : September 1, 2026 To : Jeffrey Darrow, Director Planning Department From : Daniel Girvan, Director Department of Environmental Management Subject : PL-REZ-2026-000104 ______________________________________________________________________________ The Wastewater Division has reviewed the subject application and offers the following comments and/or recommendations: ☐No Comments☐The proposed subdivision is accessible to a sewer. The applicant is required to connect all existing and proposed structures to the public sewer in accordance with Section 21-6 and Division 2 of theHawaii County Code.☐The proposed subdivision is within 300-linear feet of an existing sewer system. The applicant shallinstall sewer lines as required by Section 23-85 of the Hawaii County Code. Sewer lines shallcomply with Chapter 21, Division 2 ☒Extensions of the public sewer system: The applicant shall submit a letter application to the director detailing where and why the sewer extension is being requested, and a payment mechanism: ☒The applicant constructs and pays full cost for the extension and may receive for 10 years after completion one-half of all sewer charges collected by the County from other properties thatconnect to the extension, provided the reimbursement does not exceed the cost incurred by theapplicant.☐County constructs the extension (the County has yet to create a program to allow this):☐The applicant pays the full cost for the extension and may receive for 10 years after completion one-half of all sewer charges collected by the County from other properties thatconnect to the extension, provided the reimbursement does not exceed the cost incurred bythe applicant.☐The applicant pays one-half the cost and the County pays the other half of the extensioncost. The applicant shall submit sewer engineering plans and sewer study to the WastewaterDivision for review. Jeffrey Darrow, Planning Director September 1, 2026 Page 2 ☒ The applicant shall submit a study documenting proposed additional sewer flows so the director can evaluate the capacity of the existing system to handle them. Contact Wastewater Division staff for Sewer Study requirements. ☐ The proposed subdivision may be subject to existing or future federal, state, or county regulation under Title 40 CFR 403. Contact the Wastewater Division Pretreatment Group for information regarding pretreatment standards and requirements. ☐ The proposed subdivision is about 4 miles from nearest Hawaiʻi County Sewer. The applicant shall comply with Department of Health requirements, and all other applicable federal, state, and county regulations. The applicant shall submit plans for treatment facilities to the Department of Health and to the Department of Environmental Management director for review as required by Section 21-11. For sewers in private roadways: ☐ Sewers will be dedicated to the County in accordance with Section 21-19. Contact the Wastewater Division for sewer and easement details and requirements. Applicant shall hold the County harmless for any damage to roadway corridors during or caused by the construction. Contact Wastewater Division for Permit to Perform Work on the Public Sewer System. ☐ Sewers will be private and will not be dedicated to the County. The applicant shall comply with all Department of Public Works requirements. Contact the Wastewater Division for Permit to Perform Work on the Public Sewer System. ☐ Other: WRS:Initials Location Map - TMK 2-2-033-011 Sources: Esri, Vantor, Airbus DS, USGS, NGA, NASA, CGIAR, N Robinson, NCEAS, NLS, OS, NMA, Geodatastyrelsen, Rijkswaterstaat, GSA, Geoland, FEMA, Intermap, and the GIS user community, Sources: Esri, USGS, Sources: Esri, TomTom, Garmin, FAO, Service Connections Connected Assumed Connection Permit Pending Not Connected Not Connected - Additional Lateral Manholes County Dropline Manhole County Manhole Non-County Manhole Mains County Gravity Main Non-County Gravity Main County Force Main Non-County Force Main County Stub Flow Direction Laterals County Lateral Non-County Lateral Treatment Plants and Pump Stations County Pump Station Sewer 300 ft Buffer COH_Parcels_TMK NatGeoStyleBase World_Hillshade 9/1/2026, 12:45:42 PM 0 0.1 0.20.05 mi 0 0.15 0.30.07 km 1:4,885