Prado Basin Monitoring Wells Project

Summary

SCH Number
2020050465
Lead Agency
Orange County Water District
Document Title
Prado Basin Monitoring Wells Project
Document Type
NOE - Notice of Exemption
Received
Posted
5/21/2020

Document Description
The proposed Project consists of the installation and operation of ten (10) shallow monitoring wells within the Prado Constructed Wetlands on Orange County Water District (OCWD) property in Riverside County. The purpose of the project is to monitor the groundwater quality within Prado Basin. Well construction is proposed to begin during the summer of 2020 and early fall periods because the well sites are expected to be submerged and inundated by the Santa Ana River during the winter storm season. Each shallow monitoring well would be installed using the hollow stem auger drilling method to anticipated depths between 15 and 50 feet below ground surface (bgs). As necessary, OCWD would clear the proposed well site areas of vegetation to meet minimal equipment clearances to install the monitoring wells. See NOE for full details.

Contact Information
Shawn Nevill
Orange County Water District
18700 Ward Street
Fountain Valley, CA 92708

Phone : (714) 469-5740

Location

Cities
Corona
Counties
Riverside
Cross Streets
east of the State Route (SR) 71 freeway and north of the SR-91 freeway
State Highways
State Route (SR) 71
Waterways
Prado Basin, a reservoir located behind Prado Dam

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Class 3, Section 15303
Reasons for Exemption
The proposed project involves limited construction of narrow-diameter shallow wells at sites devoid of sensitive habitat and occurring within or adjacent to existing maintenance roadways and falls within Class 3 descriptions for a the new construction of small structures.

Attachments

Notice of Exemption
2020050465_OCWD Prado Basin Monitoring Wells CE (2020-05-21)   PDF 284 K

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