Arsenic Remediation in City Well No. 15B

3 Documents in Project

Summary

SCH Number
2009031080
Lead Agency
Chino Hills, City of (City of Chino Hills)
Document Title
Arsenic Remediation in City Well No. 15B
Document Type
NOD - Notice of Determination
Received

Document Description
The CA Dept. of Public Health, as the responsible agency, will be issuing a water supply permit. The City of Chino Hills proposed project included the arsenic remediation of city well no. 15B through well-head treatment using coagulation filtration (CF) process. CF is an environmentally friendly treatment approach that removes arsenic chloride, sodium hypochlorite, and hydrochloric chemical injection. The resultant ferric hydroxide/arsenate precipitant particles coagulate and are captured in the filter media. A polymer is added to the precipitate to densify the material. The resultant sludge is estimated at 42 gallons per acre foot of water treated and can be disposed of in a local landfill.

Contact Information
Sean McCarthy
CA Dept. of Public Health
San Bernardino District Office 464 W. 4th Street, Room 437
San Bernardino, CA 92401

(909) 338-4328

Location

Cities
Chino
Counties
San Bernardino
Cross Streets
Eucalyptus Ave and Telephone Ave
Zip
91710
Total Acres
0.07
Parcel #
1021-621-05
State Highways
SR 71
Township
8W
Range
2S
Base
SBB&M

Notice of Determination

Approving Agency
CA Dept. of Public Health
Approving Agency Role
Responsible Agency
Approved On
Final EIR Available Location
City of Chino Hills Anne R. Dutrey 909 364-2760

Determinations

(1) The project will have a significant impact on the environment
No
(2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
No
(2b) A Negative Declaration was prepared for this project pursuant to the provisions of CEQA
Yes
(3) Mitigated measures were made a condition of the approval of the project
No
(4) A Statement of Overriding Considerations was adopted for this project
No
(5) Findings were made pursuant to the provisions of CEQA
No
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