Overall Rating Silver
Overall Score 59.76
Liaison Lindsey MacDonald
Submission Date June 6, 2023

STARS v2.2

Western Washington University
OP-22: Rainwater Management

Status Score Responsible Party
Complete 2.00 / 2.00 Amanda Cambre
Director of Energy & Sustainability
Facility Development & Operations
"---" indicates that no data was submitted for this field

Which of the following best describes the institution’s approach to rainwater management?:
Comprehensive policies, plans or guidelines that require LID practices for all new projects

A brief description of the institution’s green infrastructure and LID practices:

WWU employs a combination of permeable pavement, green roofs, bioinfiltration swales, rain gardens, detention vaults, and engineered stormwater treatment units to maintain natural hydrology and remove pollutants from stormwater.

Western has purchased our own street sweeper that is used to remove debris and reduce pollutants entering water ways from our impervious roads and parking areas.


A copy of the institution’s rainwater management policy, plan, and/or guidelines:
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A brief description of the institution’s rainwater management policy, plan, and/or guidelines that supports the responses above:

WWU is covered under the State of Washington's NPDES Phase 2 Stormwater Permit, which mandates stormwater BMP's to maintain natural hydrology and treat stormwater to remove pollutants. It also mandates routine inspection and maintenance of all stormwater facilities, spill cleanup and reporting procedures, LID for new construction, and annual reporting.

https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Stormwater-general-permits/Municipal-stormwater-general-permits/Western-Washington-Phase-II-Municipal-Stormwater

Western also installed rain water sensors in irrigated areas and actively inspects our irrigation systems, weatherizes and shuts off irrigation meters during winter and proactively looks for leaks during the irrigation season.


Website URL where information about the institution’s green infrastructure and LID practices is available:
Additional documentation to support the submission:
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Data source(s) and notes about the submission:
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