Water Reclamation Plant No. 7 Headworks Project

2 Documents in Project

Summary

SCH Number
2011091063
Lead Agency
Coachella Valley Water District
Document Title
Water Reclamation Plant No. 7 Headworks Project
Document Type
MND - Mitigated Negative Declaration
Received

Document Description
CVWD is proposing to construct a new headworks facility at its Water Reclamation Plant No. 7 (WRP 7) in Indio, CA that would include screening, pumping, and grit removal and handling. The headworks section of a treatment plant is the location where wastewater enters the facility and receives preliminary treatment for removal of large solids and grit. The headworks facility at WRP 7 would use screens to remove large objects. The screened effluent would be pumped to the above-grade grit chamber, which would remove heavy inorganic materials, such as sand and gravel. Following preliminary treatment at the headworks, effluent would be conveyed to existing secondary treatment facilities (i.e. aeration tank). Under the proposed project, two new influent pipelines and one new effluent pipeline would connect the proposed headworks to the existing influent trunk sewer, influent force main, and existing aeration tank. The proposed improvements would not increase the treatment or flow capacity of WRP 7 beyond what has already been approved in previous CEQA documentation (Montgomery Watson, 2000). The project would also reconstruct portions of Avenue 38 and Madison Street and construct frontage improvements adjacent to and outside the fence line of WRP 7, including new landscaping, sidewalks, and block walls for visual screening, if necessary. Also included in the project is extension of the existing 18-inch water main lines along WRP 7 frontages.

Contact Information
Luke Stowe
Coachella Valley Water District
85-995 Avenue 52
Coachella, CA 92236

(760) 398-2651

Location

Cities
Indio
Counties
Riverside
Cross Streets
Avenue 38/Madison Street
Zip
92203
Total Acres
~.5
Parcel #
VAR
State Highways
I-10
Railways
UPRR
Schools
Shadow Hills School
Waterways
Coachella Canal
Township
5S
Range
7E
Section
4
Base
SBB&M

Notice of Completion

Review Period Start
Review Period End
Development Type
Waste Treatment:Other (Headworks)
Project Issues
Cumulative Effects Landuse Growth Inducing Wildlife Water Supply Water Quality Vegetation Traffic/Circulation Toxic/Hazardous Sewer Capacity Population/Housing Balance Noise Geologic/Seismic Flood Plain/Flooding Biological Resources Archaeologic-Historic Air Quality Aesthetic/Visual
Reviewing Agencies
Native American Heritage Commission California Department of Parks and Recreation California Department of Public Health Caltrans, District 8 Department of Conservation Department of Fish and Wildlife, Region 6 Department of Water Resources Regional Water Quality Control Board, Region 7 Resources Agency State Lands Commission State Water Resources Control Board, Division of Water Quality State Water Resources Control Board, Divison of Financial Assistance
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