Arsenic Removal Water Treatment Plant

Summary

SCH Number
2020080260
Lead Agency
Corrections and Rehabilitation, Department of (California Department of Corrections and Rehabilitation)
Document Title
Arsenic Removal Water Treatment Plant
Document Type
NOE - Notice of Exemption
Received
Posted
8/17/2020

Document Description
The purpose of the Valley State Prison (VSP) Arsenic Treatment Water Plant project is for CDCR to design and construct a coagulation-filtration water treatment plant to remove both arsenic and manganese from the water supply for both VSP and Central California Women's Facility (CCWF). The water plant will treat water from all of the five existing groundwater wells located at these institutions. The project scope will construct a treatment system that will include: filter vessels, chemical injection systems for ferric chloride, sodium hypochlorite, and caustic soda; backwash recovery equipment including a backwash reclaim tank; settled solids holding tank associated valves and piping; and, controls to provide treated and blended water to the VSP and CCWF storage tanks. The project also includes construction of an approximate 6,300 square foot treatment plant building with water, sewer, natural gas, and electrical utility connections that will house electronic controls/monitors, equipment, and chemical storage. This treatment plant will ensure compliance with the Environmental Protection Agency (EPA) and State Water Resources Control Board (SWRCB) drinking water quality standards related to arsenic levels at both VSP and CCWF by providing a permanent solution to the elevated arsenic levels detected in Wells 1, 2, and 402 after monitoring began in 2006. All work shall be in compliance with CDCR Design and Construction Policy Guidelines, Building Codes, and State Fire Marshal requirements.

Contact Information
Peter J Connelly
California Department of Corrections and Rehabilitation
9838 Old Placerville Road, Suite B
Sacramento, CA 95827

Phone : (916) 255-3010

Location

Cities
Chowchilla
Counties
Madera
Cross Streets
21633 Avenue 24
Zip
93610
Other Location Info
Valley State Prison

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
ection 15301 & 15303 (Existing Facilities & New Construction)
Reasons for Exemption
This project involves no expansion of existing use and located within a previously disturbed area that is not considered environmentally or historically sensitive. This is one of a class of projects that the Secretary for Resources has found do not have a significant effect on the environment, and therefore is declared categorically exempt from the requirement for preparing an environmental document.

Attachments

Notice of Exemption
2020080260_Arsenic Removal NOE   PDF 263 K

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