Wawona Wastewater Treatment System Rehabilitation Project Environmental Assessment

2 Documents in Project

Summary

SCH Number
2018114001
Lead Agency
Yosemite National Park
Document Title
Wawona Wastewater Treatment System Rehabilitation Project Environmental Assessment
Document Type
EA - Environmental Assessment
Received
Present Land Use
National Park Service property

Document Description
Note: Review Per Lead The project rehabilitates the Wawona Wastewater Treatment System. Proposed actions include: - Improving the Wawona Wastewater Treatment Plant to increase treatment capacity, include solids handling ability, upgrade control systems, expand office/meeting spaces, and address staff safety hazards - Expanding land-based tertiary-treated effluent disposal capacity by constructing sub-surface disposal trenches at the Big Trees Lodge Golf Course - Improving the effluent disposal spray irrigation system at the Big Trees Lodge Golf Course by replacing ageing components and re-configuring parts of the spray field to improve turf watering - Upgrading the sewage conveyance infrastructure (lift stations, controls) along Wawona Road and Chilnualna Falls Road - Installing a sewer force main, power, and communications utilities along Wawona Road - Connecting Wawona Campground to central sewage treatment at the Wawona Wastewater Treatment Plant - Decommissioning the septic systems currently serving Wawona Campground - Decommissioning the infrastructure that provides for the ability to discharge tertiary-treated effluent to the South Fork of the Merced River - Eventual replacement of the vault toilet at the South Fork Picnic Area with a double-stalled flushing toilet restroom connected to the sewer force main that runs to the Wawona Wastewater Treatment Plant

Contact Information
Ninette Daniele
Yosemite National Park
PO Box 700-W
Yosemite National Park, CA 95389

Phone : (209) 379-1457

Location

Counties
Mariposa
Cross Streets
Wawona Rd adn Chilnualna Falls Rd
Zip
95389
State Highways
no (Wawona Rd not hwy Hwy 41 wit
Schools
Yosemite Wawona Charter School
Waterways
South Fork of Merced River and tributaries
Other Location Info
Wawona

Notice of Completion

Review Period Start
Review Period End
Development Type
Waste Treatment:Other (wastewater treatment system)
Local Action
Other Action Other Action: rehabilitate wastewater treatment system
Project Issues
Archaeologic-Historic Biological Resources Flood Plain/Flooding Public Services Recreation/Parks Septic System Sewer Capacity Solid Waste Vegetation Water Quality Water Supply Wetland/Riparian Growth Inducing Cumulative Effects Other Other Issues: resource protection measures/mitigation measures and emissions/c
Reviewing Agencies
Air Resources Board, Transportation Projects Cal Fire California Department of Fish and Wildlife, Central Region 4 California Department of Parks and Recreation California Department of Transportation, District 10 California Native American Heritage Commission California Regional Water Quality Control Board, Central Valley Fresno Region 5 California State Lands Commission Central Valley Flood Protection Board Department of Water Resources Office of Historic Preservation Resources Agency State Water Resources Control Board, Division of Drinking Water State Water Resources Control Board, Division of Water Quality State Water Resources Control Board, Divison of Financial Assistance

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613.

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