Addendum No. 2 to HDWD WRF, WWTP and Sewer Collection System (SCH #2009061035) Consideration of District Alternative Treatment Technology for the WRF: Membrane

8 Documents in Project

Summary

SCH Number
2009061035
Lead Agency
Hi-Desert Water District
Document Title
Addendum No. 2 to HDWD WRF, WWTP and Sewer Collection System (SCH #2009061035) Consideration of District Alternative Treatment Technology for the WRF: Membrane
Document Type
NOD - Notice of Determination
Received
Posted
12/23/2014

Document Description
The District has proposed constructing a wastewater treatment and reclamation facility (WRF) and sewer collection system known as the Wastewater Reclamation Project (the "Project"). Following the District's adoption of a Mitigated Negative Declaration, the District proceeded with the detailed engineering needed to construct the Project. This effort has identified an alternative wastewater treatment system for use at the WRF known as "Membrane Bioreactor (MBR)" treatment technology in place of the originally proposed Oxidation Ditch treatment process that required the use of media filtration. The details of this system are provided in Addendum No. 2, but the District has concluded that a MBR treatment system, in place of the Oxidation Ditch followed by media filtration, would better meet the water quality objectives of the District. In addition, the build-out capacity of the WRF has been reduced to 2.87 million gallons per day (MGD) from the original proposed 6 MGD. Phase I flows now total 1.02 MGD compared to an original estimated capacity of 2 MGD with the remaining flows realized once Phase II and III are brought online. The reduction is due to a more detailed analysis of wastewater generation rates within the Project area. The location of the WRF and the environmental setting remain the same as evaluated in the 2009 environmental document.

Contact Information
Ed Muzik
Hi-Desert Water District
55439 29 Palms Highway
Yucca Valley, CA 92284

Phone : (760) 365-8333

Location

Coordinates
34°07'54"N 116°22'33"W
Cities
Yucca Valley
Counties
San Bernardino
Cross Streets
Indio Avenue/Sunnyslope Drive/La Contenta Road
Zip
92284
State Highways
Hwy 62
Base
SBB&M

Notice of Determination

Approving Agency
Hi-Desert Water District
Approving Agency Role
Lead Agency
Approved On
Final Environmental Document Available at
Hi-Desert Water District, 55439 Twentynine Palms Highway, Yucca Valley, CA 92284

Determinations

(1) The project will have a significant impact on the environment
No
(2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
No
(2b) A Negative Declaration was prepared for this project pursuant to the provisions of CEQA
Yes
(2c) An other document type was prepared for this project pursuant to the provisions of CEQA
No
(3) Mitigated measures were made a condition of the approval of the project
Yes
(4) A mitigation reporting or monitoring plan was adopted for this project
N/A
(5) A Statement of Overriding Considerations was adopted for this project
No
(6) Findings were made pursuant to the provisions of CEQA
N/A
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