Los Angeles County Unincorporated, California · General provision

22.44.1512, 22.44.1513, 22.44.1514

Extracted standards

8 individual requirements pulled out of this section’s prose, each with the sentence it came from.

Other

  • 2-year, 24-hour storm retention

    infiltrate on-site at least the runoff from a two-year, 24-hour rainfall event

  • 95th percentile storm retention100 pct

    retain on-site, 100 percent of the stormwater volume from the runoff of the 95th percentile, 24-hour rainfall event

  • Maximum Erosion Potential1

    Erosion Potential (Ep) in the receiving water channel shall approximate one (1)

  • Hydromodification mitigation required

    development projects must fully mitigate off-site drainage impacts caused by hydromodification

  • Minimum LID BMPs for small residential2 BMPs

    implement at least two LID BMP alternatives

  • Ongoing maintenance of LID features

    LID and hydromodification control features shall be maintained and shall remain operable at all times

  • LID/Hydromodification plan review required

    applicant ... shall submit an LID/Hydromodification plan to the Public Works Director for review and approval

  • Stormwater Quality Design Volume retention100 pct

    project shall retain one hundred percent of the Stormwater Quality Design Volume (SQDV) on-site

From the ordinance

Designated Projects ... retain one hundred percent of the Stormwater Quality Design Volume (SQDV) on-site ... Non-designated Projects ... integrate LID principles ... implement at least two LID BMP alternatives
22.44.1512, 22.44.1513, 22.44.1514