Lehigh Southwest Cement Company Calaveras Cement CKD-3 Closure Project

Summary

SCH Number
2020019054
Lead Agency
Regional Water Quality Control Board, Region 5 (Central Valley), Sacramento
Document Title
Lehigh Southwest Cement Company Calaveras Cement CKD-3 Closure Project
Document Type
MND - Mitigated Negative Declaration
Received
Project Applicant
Lehigh Hanson
Present Land Use
Open Space and Rural Residential

Document Description
Central Valley RWQCB has completed an 15/MND addressing the closure of CKD-3 by re-grading the site to install a low-permeability cover, installing a leachate collection and removal system (LCRS), and developing a surface water drainage plan. The Project proposed to significantly reduce infiltration of stormwater into the cement kiln dust (CKD) material at CKD-3 site, significantly reduce potential leaching of CKD material into nearby groundwater and surface waters, effectively manage potentially impacted groundwater, consolidate CKD material at the CKD-3 site under low-permeability cover, and close CKD-3 in compliance with WDR Order No. RS-2017-0077-01 and Title 27 Requirements.

Contact Information
Natasha Vidic
Central Valley RWQCB
11020 Sun Center Drive, Suite 200
Rancho Cordova, CA 95670-6114

Phone : (916) 464-4614

Location

Coordinates
38°10'18.2"N 120°40'6.18"W
Cities
San Andreas
Counties
Calaveras
Cross Streets
Pool Station Road
Zip
95222
Total Acres
15.6
State Highways
49
Airports
Calaveras County Airport
Schools
Calaveras River Academy
Waterways
Calaveritas Creek, South Fork Calaveras River, Willow Creek
Township
4N
Range
12E
Section
29

Notice of Completion

Review Period Start
Review Period End
Development Type
Hazardous Waste (Site Closure)
Local Action
None
Project Issues
Archaeologic-Historic Biological Resources Geologic/Seismic Soil Erosion/Compaction/Grading Toxic/Hazardous Water Quality
Reviewing Agencies
California Department of Conservation California Department of Fish and Wildlife, North Central Region 2 California Department of Parks and Recreation California Department of Transportation, Division of Aeronautics California Department of Water Resources California Highway Patrol California Native American Heritage Commission California Natural Resources Agency California Regional Water Quality Control Board, Central Valley Sacramento Region 5 California State Lands Commission Central Valley Flood Protection Board Department of Toxic Substances Control Office of Historic Preservation State Water Resources Control Board, Division of Drinking Water State Water Resources Control Board, Division of Water Quality California Department of Transportation, District 10

Attachments

Environmental Document
_SCH_Summary_Form_for_Document_Submittal_Lehigh CKD3 Project   PDF 579 K CEQA Initial Study and MND-Lehigh CKD 3 Project   PDF 3001 K CEQA Initial Study-Lehigh CKD 3 Project_App A-Air Quality Modelling   PDF 458 K CEQA Initial Study-Lehigh CKD 3 Project_App B-Bio Resources Database Results   PDF 384 K CEQA Initial Study-Lehigh CKD 3 Project_App C-Tribal Consultation   PDF 2994 K NOI_Lehigh CKD 3 Project   DOCX 60 K
NOC
NOC_Lehigh CKD 3 Project   PDF 1100 K
State Comments
2020019054_CAl-49-PM18   PDF 201 K

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