Operation of Yosemite Spring Park Utility Company - Well 49B (Replacement to Well 49A) Project (Project)

Summary

SCH Number
2018088085
Lead Agency
State Water Resources Control Board
Document Title
Operation of Yosemite Spring Park Utility Company - Well 49B (Replacement to Well 49A) Project (Project)
Document Type
NOE - Notice of Exemption
Received
Posted
8/6/2018

Document Description
The Yosemite Spring Park Utility Company proposes to drill Well 49B, a 150-gpm 880-ft well, to replace Well 49A, a well of the same capacity and depth, as the liner has failed on Well 49A rendering the well unusable. A 6-ft existing fence will be extended 116ft^2 to enclose the new well. An existing shade cover will house the treatment facilities and pump. (The existing treatment facilities includes a 55-gallon tank of ortho-polyphosphate for iron and manganese treatment and a 30-gallon tank of sodium hypochlorite for disinfection.) The existing treatment facilities and pumps will be moved 3 ft towards the well. The existing 3/8 in diameter chlorination piping will be extended 5 ft from the tank to the chlorine injection port. The 3/8-in diameter iron and manganese treatment piping from the tank to the injection port will also be extended 3 ft. The well will be connected to the rest of the system with 5 ft of 3-in diameter piping. A 2-in diameter, 8-ft long discharge line will also be installed from the well to the discharge point. Electrical controls will also be installed. Well 49A will be decommissioned. The project will provide for the operation of the system.

Contact Information
Kassy Chauhan
State Water Resources Control Board
265 West Bullard Ave, Suite 101
Fresno, CA 93704

Phone : (559) 447-3300

Location

Counties
Madera
Other Location Info
42515 Artesian Court, Coarsegold

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
15301, 153012, 15303
Reasons for Exemption
The exiting fence, shade structure, treatment tanks, pumps, and lines (and movement of) include existing privately-owned facilities involving negligible expansion of use beyond that existing at the time of the lead agency's determination, (section 15301b). The extension of the chlorination lines, treatment piping, connection piping, and discharge piping, as well as the electrical controls, are additions to existing structures provided the additions don't result in 50% of the floor area or 2,500 ft^2, (section 15301e). The replacement of Well 49A with Well 49B, is class 2, replacement of existing utility systems within the same site and involving no expansion of capacity, (existing water system property, section 15302c). The extension of the fence includes accessory structures (section 15303e).
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