City of Lathrop Water Supply Wells Arsenic Reduction Facilities

3 Documents in Project

Summary

SCH Number
2009012080
Lead Agency
Lathrop, City of (City of Lathrop)
Document Title
City of Lathrop Water Supply Wells Arsenic Reduction Facilities
Document Type
NOD - Notice of Determination
Received
Posted
3/11/2009
Present Land Use
Industrial/SC (Service Commercial / LI Limited Industrial)

Document Description
The project is necessitated by recent updated arsenic regulations adopted by the US Environmental Protection Agency. Certain existing water supply wells in the Lathrop system exceed the standards established by the EPA regulations. The proposed project would divert water from City wells 6, 7, 8, 9, and 10 via new pipelines to a new centralized arsenic treatment plant. Treated water would be reintroduced to the City water system. The project involves the construction of approximately 2.3 miles of 12 to 24 inch pipeline along existing paved and unpaved roads, and industrial and agricultural lands adjacent to the Union Pacific Railroad. The proposed treatment plant would be located on an existing industrial site adjacent to and south of Louise Avenue and would occupy an approximately 3-acre area. The treatment plant would involve raw water blending; coagulation of arsenic using ferric chloride and sodium hypochlorite as well as sulfuric acid, if required. Treated water would be filtered, mixed and returned to the City water system. Solids will be subject to evaluation as part of the backwash system; solids will be subject to testing and will be disposed to an approved waste facility. The project would be constructed, owned and operated by the City of Lathrop Public Works Department.

Contact Information
Gregory Gibson
City of Lathrop
390 Town Center Drive
Lathrop, CA 95330

Phone : (209) 941-7200

Location

Coordinates
37°48'16"N 121°15'57"W
Cities
Lathrop
Counties
San Joaquin
Cross Streets
Sixth Street, E. Louise Avenue, Mckinley Avenue
Zip
95330
Total Acres
20.8
Parcel #
198-160-03
State Highways
I-5
Railways
Union Pacific RR
Schools
Manteca Unified
Township
1S
Range
6E
Section
25& 36
Base
MDBM

Notice of Determination

Approving Agency
City of Lathrop
Approving Agency Role
Lead Agency
Approved On
Final Environmental Document Available at
City of Lathrop 390 Towne Centre Drive Lathrop, CA 95330

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 Mitigated or a Negative Declaration was prepared for this project pursuant to the provisions of CEQA
Yes
(2c) An other document type was prepared for this project pursuant to the provisions of CEQA
No
(3) Mitigated measures were made a condition of the approval of the project
Yes
(4) A mitigation reporting or monitoring plan was adopted for this project
N/A
(5) A Statement of Overriding Considerations was adopted for this project
No
(6) Findings were made pursuant to the provisions of CEQA
N/A

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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