22-105973-Sewer Availability Cert-01-12-231221039037 wtr swr.docx (Form Update 1/20/22) Page 3 of 4
SEWER CERTIFICATE OF AVAILABILITY
Lakehaven Water & Sewer District – Development Engineering Section
31623 – 1st Ave S PO Box 4249 Federal Way, WA 98063-4249
Email: DE@Lakehaven.org Telephone: 253-945-1581 or 253-945-1580
This certificate is intended to provide the applicant, land use agencies &/or public health departments with
information necessary to evaluate development proposals. Lakehaven Water & Sewer District, at its sole
discretion, reserves the right to delay, or deny, sewer service based upon capacity &/or supply limitations
in Lakehaven’s or Other Purveyor’s system facilities.
Proposed Land Use: Building Permit-SFR () Building Permit-MFR () Building Permit-Other
Subdivision (20) Short Subdivision () Binding Site Plan
Boundary Line Adjustment Other (specify/describe)
Parcel Number(s): 1221039037 Site Address: 310XX – 21st Ave SW LWSD GIS Grid: F-07
Ex. Bldg. Area to Remain: N/A sf New Bldg. Area Proposed: TBD sf
SEWER SYSTEM INFORMATION
1. Sewer service can be provided by service connection to an existing ” diameter sewer main/trunk that is +/- feet
from the site and the sewer system has the capacity to serve the proposed land use.
2. Sewer service for the site will require an improvement to LWSD’s sanitary sewer system of:
a. feet of ” diameter sewer main or trunk to reach the site; and/or
b. The construction of a sanitary sewer collection system on the site; and/or
c. A major portion of LWSD’s comprehensive wastewater system plan would need to be implemented and/or
constructed; and/or
d. Other (describe): LWSD Developer Extension (DE) Agreement required.
3. a. The existing sewer system is in conformance with LWSD’s Comprehensive Wastewater System Plan.
b. The existing sewer system is not in conformance with LWSD’s Comprehensive Wastewater System Plan and an
Amendment to this Plan will be required. This may cause a delay in issuance of land use approvals or permits.
4. a. The proposed site land use is within the corporate limits of Lakehaven Water & Sewer District, or has been granted
Boundary Review Board approval for extension of sewer service outside of LWSD’s sewer service area.
b. Annexation or Boundary Review Board approval will be necessary to provide service.
5. Sewer service is subject to:
a. Payment of connection charges (to be determined by LWSD, for any new/modified service connection);
b. Proof or reservation of easement(s) as required by LWSD;
c. Other: LWSD Service Connection Applications required, subject to completion of associated LWSD DE Agreement
project. Private Grinder Pump, and associated Private Grinder Pump Agreement, potentially indicated for some lots.
Comments/special conditions: Some finish floor elevation(s) potentially less than one-foot (1’) above nearest upstream manhole
indicated, Backwater Check Valve(s) potentially indicated, contact local building official for requirements &/or additional information.
I hereby certify that the above sewer system information is true. This certification shall be valid for one (1) year from the date of
signature.
Name: BRIAN ASBURY Title: DEVELOPMENT ENGINEERING SUPERVISOR
Signature: Brian Asbury (e-signed) Date: 5/13/22
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