TagStormwater(385)
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2001-06-22Sea-Tac Airport Runway and Stormwater Pond Construction with Adjacent Industrial Facilities
Aerial photograph showing a runway and taxiway system in the upper portion of the frame, with a retention or stormwater pond under apparent construction or remediation in the mid-ground. The foreground shows warehouse and distribution facilities with truck loading areas, parking lots, and a multi-story office building, consistent with an airport-adjacent industrial zone. -
2001-06-22Sea-Tac Airport Runways, Taxiways, and Stormwater Retention Ponds — Aerial View
Aerial photograph showing a large airport's runway and taxiway system in the background, with a forested buffer zone and what appear to be stormwater retention or water treatment ponds in the foreground. The layout, scale, and Pacific Northwest landscape context (evergreen trees, mountain range, urban development) are consistent with a major regional airport facility. -
2001-06-22Aerial View of Sea-Tac Airport Runway System and Stormwater Pond Under Construction
Aerial photograph looking north toward Seattle-Tacoma International Airport, showing a runway and taxiway system in the mid-ground, a large retention/stormwater pond under construction in the middle distance, and commercial/industrial development in the foreground. The Boeing manufacturing facilities and Renton area are visible in the upper background, consistent with the airport's geography south of Seattle. -
2001-06-22Aerial View of Retention Pond Construction at Sea-Tac Airport
Aerial photograph showing a large retention or detention pond under active construction adjacent to what appears to be an airport runway and taxiway. Heavy equipment, graded earth, and what appear to be water treatment or stormwater management facilities are visible, consistent with airport infrastructure development or environmental mitigation work. -
2001-06-18EXH AR030796: Hart Crowser Letter of Transmittal — Borrow Area 3 Wetland Protection Swale Draft Plans, Third Runway Project
Hart Crowser Senior Principal Michael Bailey transmits revised draft plans and cross sections for the Borrow Area 3 Wetland Protection Swale (Job No. 4978-06) to Jim Kelley at Parametrix, June 18, 2001. Documents include Figure 1 (Post-Reclamation Topography and Drainage Facilities), Figure 2 (Typical Cross Sections), Figure 3 (Post-Reclamation Topographical Detail), and Figure 4 (Proposed -
2001-06-18EXH AR050603: Avoidance of Wetland Impacts, Temporary Stormwater Pond A, Sea-Tac Third Runway
Hart Crowser, Inc. report prepared for HNTB and the Port of Seattle, project number 4978-06, dated June 18, 2001, addressing avoidance of wetland impacts associated with Temporary Stormwater Pond A for the Sea-Tac Third Runway project. Includes summary of subsurface conditions, protection of wetlands analysis, groundwater seepage analysis, observed groundwater levels in monitoring wells near -
2001-06-07Exhibit 204: Email from Tom Luster re: Sea-Tac NPDES Permit Review, 401 Certification, and Construction BMPs
In this June 2001 internal email, Tom Luster documents a conversation with Ann K. regarding Senator Patterson's request that he review an NPDES stormwater permit related to the Sea-Tac Airport expansion project. Luster notes concerns about whether construction Best Management Practices (BMPs) in the permit were sufficient to meet water quality standards under Section 401 requirements, stating that BMPs with a history of non-compliance should be replaced with proven alternatives. He also addresses his role as an independent reviewer, emphasizing his goal of ensuring a legally defensible decision rather than advocating for any particular party's position. -
2001-05-29EXH AR016977: Ecology Letter to Port Of Seattle — NPDES Permit No. WA-002465-I Modification for STIA Construction Stormwater
Washington State Department of Ecology Northwest Regional Office letter dated May 29, 2001, to Michael D. Feldman, Director of Aviation Facilities, Port Of Seattle, modifying NPDES Permit No. WA-002465-I for Seattle-Tacoma International Airport (expiration July 30, 2002). Modification authorizes discharge of construction stormwater to Walker Creek including tributaries and Gilliam Creek including tributaries; adds monitoring -
2001-05-25EXH AR029179: 401 Permit Decision-Making Technical Meeting Notes — Sea-Tac Airport Third Runway, May 25, 2001
Final draft meeting notes from a 401 Permit Decision-Making technical meeting on May 25, 2001, regarding the Sea-Tac International Airport Third Runway project. Prepared by Rachel McCrea of Floyd & Snider Inc. Attendees included Ann Kenny (Dept. of Ecology), Kelly Whiting (King County), Keith Smith (Port of Seattle), Paul Fendt and Tom Atkins (Parametrix). Topics -
2001-05-17EXH AR017794: Email from Raymond Hellwig to Thomas Fitzsimmons Re: Discussion Paper on Key Issues — SMP, LFM, and NRMP
Email dated May 17, 2001 from Raymond Hellwig (Ecology) to Thomas Fitzsimmons and Tom Fitzsimmons, cc Ann Kenny, transmitting an ‘updated’ discussion paper marked deliberative and not yet available for public disclosure. The attached discussion paper (issuelink-1.doc) addresses three key issues carried forward from a September 2000 paper: (1) Stormwater Management Plan (SMP) led by