Hyperion Advanced Water Purification Facility (HAWPF)

An Initial Study/Negative Declaration (IS/ND) has been prepared for the Hyperion Advanced Water Purification Facility (HAWPF) in accordance with the California Environmental Quality Act.

PROJECT LOCATION: The proposed project site is located at Hyperion Water Reclamation Plant, 12000 Vista Del Mar, Playa Del Rey, CA 90293, within Council District 11, in the City of Los Angeles. Figure 1 shows the location of the proposed project.

PROJECT DESCRIPTION: The City of Los Angeles is seeking to construct an advanced water purification facility at the existing Hyperion Water Reclamation Plant (HWRP). This project entails the construction of a 1.5-million gallon per day (mgd) advanced water purification facility, expandable to 5 mgd, to provide water to HWRP and other nearby facilities for a variety of non-potable uses.

PUBLIC REVIEW PERIOD: The proposed project Initial Study Negative Declaration will be circulated for a thirty (30) day public review period, beginning on September 7, 2017 and ending on October 6, 2017. Copies of the document are available for review at the following locations:

  • El Segundo Library
111 West Mariposa Ave., El Segundo, CA 90245: (310) 524-2722
  • City Clerk, City of El Segundo
350 Main St., El Segundo, CA 90245: (310) 524-2305
  • LA Sanitation, Regulatory Affairs Division
1149 South Broadway St., 10th Floor, Los Angeles, CA 90015: (213) 847-5182
  • Office of the City Clerk, City of Los Angeles
200 N Spring St., Room 3951, Los Angeles CA 90012: (213) 978-1020

Please send your written/typed comments on the Draft IS/ND to LA Sanitation by one of the following delivery methods. In your comments, please include your name, email address, telephone number, address, and an RE: HAWPF IS/ND Comments at the top of your comments.

Fax:     (213) 847-1779
Post:    Mr. Paul Cobian
             LA Sanitation – Regulatory Affairs Division
            1149 S. Broadway, 10th Floor
             Los Angeles, CA 90015

LA Sanitation requests that written comments be provided at the earliest possible date, but no later than 5:00 p.m. on October 6, 2017.

(Click on italicized text to view report)
Review Status
Public Review Period
PDF iconNotice of Availability/Notice of Intent Closed 9/7/17 to 10/6/17
PDF iconInitial Study/Negative Declaration Closed 9/7/17 to 10/6/17
PDF iconAdopted Final Negative Declaration