WWTP Secondary Clarifiers Upgrade

2 Documents in Project


SCH Number
Public Agency
State Water Resources Control Board
Document Title
WWTP Secondary Clarifiers Upgrade
Document Type
NOE - Notice of Exemption
Document Description
The Project will rehabilitate the degraded secondary clarifier mechanisms and bring them in line with current seismic safety standards. The clarifiers are an integral part of the South Tahoe Public Utility District’s water pollution control plant (WPCP). The Project will improve the reliability and performance of the secondary treatment process at the WPCP. The Project is the first stage of the implementation of the selected alternative: Plant Replacement - Conventional Activated Sludge (CAS). In this first stage, a CAS facility will be constructed which will operate in parallel with the existing secondary treatment process in a split flow operation until the second stage is constructed.

Contact Information

Cedric Irving
Agency Name
State Water Resources Control Board-Division of Financial Assistance
Job Title
Environmental Scientist
Contact Types
Lead/Public Agency


South Lake Tahoe
El Dorado
Other Information
Project will be constructed within the District’s approximately 18.46 acres Waste Water Treatment Plant property at 1275 Meadow Crest Drive in South Lake Tahoe California, which is situated adjacent to the confluence of Trout Creek and Heavenly Valley Creek and is mapped within the South Lake Tahoe USGS 7.5-minute quadrangle, Section 3, Township 12 North, Range 18 East, Mount Diablo meridian.

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Section 15301 (Class 1)
Reasons for Exemption
The Project involves repair and upgrade of existing structures involving no expansion of capacity.
County Clerk
El Dorado


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