TagStormwater(385)
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Miller Creek Basin Drainage Sub-Areas Map — Sea-Tac Communities Plan (STCP Section 6.3.3)
A drainage map from the Sea-Tac Communities Plan, sponsored by the Port of Seattle and King County (document reference 6.3.3, POS 21001), showing the Miller Creek Basin divided into numbered drainage sub-areas with general impervious surface factors (under 20% to 50% or greater) and percentage of total runoff contributions (40%, 28%, 18%, and 14%) for each major zone. -
Sea-Tac Communities Plan: Des Moines Creek Drainage Sub-Areas and Runoff Sources
A planning map from the Sea-Tac Communities Plan (document POS 21002, section 6.3.3) showing drainage sub-areas for Des Moines Creek, with impervious surface factors ranging from under 20% to 50% or greater, and annotating that 80% of total runoff originates from the northern sub-areas and 20% from the southern sub-areas. Sponsored by the Port of Seattle and King County. -
2025-08-12City of Normandy Park City Council Regular Meeting Agenda — August 12, 2025
The Normandy Park City Council held a regular meeting on August 12, 2025, covering routine consent items such as an interlocal jail services agreement and past meeting minutes, as well as new business including stormwater planning, property demolition, transportation grant applications, and ordinance updates on business licenses, utility regulations, and motorized scooters. The council also considered a proclamation on homelessness policy and accepted a City Hall building evaluation report. The meeting concluded with an executive session to discuss legal risks with counsel. -
2025-08-12
City of Normandy Park City Council Regular Meeting Agenda — August 12, 2025
Normandy Park City Council regular meeting agenda for August 12, 2025, held at City Hall, 801 SW 174th St, and remotely via Zoom. Consent agenda includes: Interlocal Agreement with Enumclaw Jail Services (Police Chief Dan Yourkoski), Resolution No. 1022 supporting City Employee Wellness Fund, meeting minutes from June 25 2024 through July 22 2025, and -
Tribes call for national ban on salmon-killing chemical in car tires
by John Ryan Three Northwest tribes have petitioned the federal government to ban a salmon-killing chemical found in tires and urban streams worldwide. As car and truck tires wear and leave behind skid marks and tire dust, the rubber stabilizer known as 6PPD turns into 6PPD-quinone (also called 6PPD-q), one of the most toxic substances -
Stormwater Retention Pond with Aircraft on Final Approach Near Sea-Tac Airport
A lined stormwater or noise-mitigation retention pond with a dark geomembrane liner sits in the foreground, with a commercial aircraft visible on final approach overhead. A bridge structure is visible in the background, consistent with infrastructure near a major airport environment. -
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2023-06-07Infrastructure improvements 2017-18
The City of Normandy Park, Washington completed several infrastructure improvement projects in 2017-18, including a $330,000 sidewalk project on 1st Avenue, a $2.2 million stormwater and paving project serving 250 homes in the Manhattan View area, and a $1.6 million Normandy Road Project. Additional work included a $375,000 road overlay on Marine View Drive and $25,000 in Recreation Center sidewalk and access improvements. This document provides a photographic overview of completed municipal construction projects in Normandy Park. -
2022-12-01Seattle-Tacoma International Airport Stormwater Pollution Prevention Plan (SWPPP) December, 2022
Stormwater Pollution Prevention Plan (SWPPP) for Seattle-Tacoma International Airport (Sea-Tac Airport), published by Port Of Seattle in December 2022, in accordance with NPDES Permit No. WA-0024651. Covers facility assessment, IWS and SDS drainage areas, receiving waters, industrial activities, materials inventory, spills and leaks, monitoring plan, illicit non-stormwater discharges, best management practices (BMPs) including operational source -
2022-12-01Seattle-Tacoma International Airport Stormwater Pollution Prevention Plan (SWPPP)
Stormwater Pollution Prevention Plan (SWPPP) for Seattle-Tacoma International Airport (Sea-Tac Airport), published by Port Of Seattle in December 2022, in accordance with NPDES Permit No. WA-0024651. Covers facility assessment, IWS and SDS drainage areas, receiving waters, industrial activities, materials inventory, spills and leaks, monitoring plan, illicit non-stormwater discharges, best management practices (BMPs) including operational source