A flood channel runs right through
The East Garden Grove-Wintersburg Channel was built in 1959 to carry stormwater and urban runoff from neighboring cities to the Bolsa Chica wetlands. In 2009 the County of Orange filed plans to repair the channel levee between the tide gates and Warner Avenue, including rock slope repairs and a new earthen berm. FEMA map revisions in June 2019 and August 2020 then moved properties near the channel out of flood zone A and into zone AE or zone X (shaded).




