DVWTP soil haul and equipment pad


SCH Number
Public Agency
Zone 7 Water Agency
Document Title
DVWTP soil haul and equipment pad
Document Type
NOE - Notice of Exemption
Document Description
The project aims for beneficial re-use of native/virgin soil previously excavated at Zone 7’s Patterson Pass Water Treatment Plant (PPWTP) in Livermore. Specifically, Zone 7 Water Agency will have a contractor deliver 5,600 cubic yards of virgin soil from PPTWP to Zone 7’s Del Valle Water Treatment Plant (DVWTP) where it will be re-purposed in support of ongoing operations there. Hauling is expected to occur on Saturday October 16, 2021. The contractor will be delivering soil at DVWTP using super dump trucks which hold approximately 13 cubic yards. The total number of loads will be approximately 430. Delivery and stock piling of the soil at DVWTP will take up to 12 hours. Zone 7 staff and equipment will consist of two equipment operators, one bulldozer, one rubber tire loader, and 1-2 laborers to direct trucks were to dump and to keep access road wet to control dust. This is being done on a weekend day to avoid traffic concern and to be less impactful on daily operation of the treatment plants. The soil that is being delivered at DVWTP will be placed in a low area between drying beds 4 and 5. This area will act as a parking area for the Zone 7 dump truck and heavy equipment. The filling of the low area will be completed by December 3, 2021. Filling of the low area will be done in lifts and each lift will be compacted; the final lift will be ¾” base rock. Zone 7 staffing and equipment will consist of two equipment operators, 1 bulldozer, 1 rubber tire loader, 1 padfoot roller, and 1-2 laborers for dust control.

Contact Information

Elke Rank
Agency Name
Zone 7 Water Agency
Contact Types
Lead/Public Agency / Project Applicant


Cross Streets
901 E. Vineyard Ave. Livermore
Total Acres
Other Location Info
Del Valle Water Treatment Plant

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
15301, 15303
Reasons for Exemption
None of the conditions noted under the California Environmental Quality Act (CEQA) Guidelines 15300.2 (as revised) will occur. Furthermore, this project will not result in potential for significant environmental impacts because: • There will be no native ground disturbance; both treatment plants have previously been graded, developed, and partially paved. • The hauling will be completed in 1 weekend, and thus will have minimal construction-related nuisances to local residents or businesses such as disruptions to traffic and increased noise or dust, etc. All other work will take place on Zone 7 owned property which is considered previously disturbed, so impacts will be minimal. • Standard best management practices will be employed during construction to reduce the potential for common construction nuisances including dust, noise, and traffic. • No impacts to sensitive habitat or wildlife are expected. • There will not be any cumulative impacts because there are no planned successive projects of the same type and in the general same place, over time. • There is not a reasonable possibility that the project could result in a significant impact.
County Clerk


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