ASBS Stormwater Improvement Project - Phase 2

Summary

SCH Number
2019059011
Lead Agency
Trinidad, City of (City of Trinidad)
Document Title
ASBS Stormwater Improvement Project - Phase 2
Document Type
MND - Mitigated Negative Declaration
Received

Document Description
Note: Reference SCH #2013112045 The proposed project includes decommissioning the existing stormwater outfall and replacing it with a system of localized stormwater treatment chambers and infiltration basins within Underwood, Edwards and Ewing rights-of-way and the harbor parking area. The project also includes installation of a new stormwater drainage pipe from the intersection of Galindo and Van Wycke down to Edwards and the harbor parking area. The existing storm drain pipe between the intersection of Van Wycke and Galindo and the existing outfall will be abandoned in place. The purpose of the project is to comply with a discharge prohibition into the Trinidad Head ASBS and the City's ABSB Compliance Plan. The design was informed by a geotechnical analysis and a groundwater model to ensure septic systems and slope stability are not negatively impacted.

Contact Information
Becky Price-Hall
City of Trindad
PO Box 390
Trinidad, CA 95570

707-499-6454

Location

Coordinates
41°03'28"N 124°08'45"W
Cities
Trinidad
Counties
Humboldt
Cross Streets
Underwood, Ewing Edwards, Van Wycke, Galindo rights-of-way; Harbor Area
Zip
95570
Total Acres
<1
State Highways
101
Schools
Trinidad ES
Waterways
Mill Creek, Parker Creek, Trinidad Head ASBS
Township
8N
Range
1W
Section
15
Base
HBM

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (Stormwater system improvements)
Local Action
Grading
Project Issues
Landuse Wetland/Riparian Water Supply Water Quality Vegetation Traffic/Circulation Toxic/Hazardous Solid Waste Soil Erosion/Compaction/Grading Septic System Schools/Universities Recreation/Parks Public Services Population/Housing Balance Noise Minerals Geologic/Seismic Forest Land/Fire Hazard Flood Plain/Flooding Drainage/Absorption Coastal Zone Biological Resources Archaeologic-Historic Air Quality Agricultural Land Aesthetic/Visual
Reviewing Agencies
California Coastal Commission California Department of Parks and Recreation Caltrans, District 1 Department of Fish and Wildlife, Region 1E Native American Heritage Commission Office of Emergency Services, California Office of Historic Preservation Regional Water Quality Control Board, Region 1 Resources Agency State Lands Commission State Water Resources Control Board, Division of Drinking Water State Water Resources Control Board, Division of Drinking Water, District 1 State Water Resources Control Board, Divison of Financial Assistance

Attachments

Environmental Document
Trinidad Stormwater P2 IS Final Draft 04-29-19   PDF 669 K Summary_Form_for_Document_Submittal   PDF 194 K Figures   PDF 2233 K Attachments 9-17   PDF 2729 K Attachments 1-8   PDF 2568 K
NOC
NOC   PDF 1898 K
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