This resource provides a variety of documents used to support the implementation of Flood Risk Projects. This is a "searchable resource."

This resource serves as a tool to help residents identify their home's flood risk.

The Plan addresses Tigard’s existing flooding, water quality, erosion, and maintenance issues, and provides several corresponding recommendations.

This resource breaks down the purpose of various flood maps developed by FEMA, NOAA, and USGS.

See Table 1 for Post Construction Stormwater Standards by state (pages 1-7).

In urbanized areas, precipitation is unable to adequately infiltrate into the ground, increasing runoff and overwhelming the sewer system.

The guidelines and standards define the implementation details of the statutory and regulatory requirements for National Flood Insurance Program map.

This resource provides guidance in assessing impaired waters potentially contaminated with pollutants from stormwater sources.

This manual provides background for stormwater sampling, fundamentals of sampling, analytical considerations, flexibility in sampling, and safety.