Seeley County Water District Wastewater Treatment Plant Improvements Project
3 Documents in Project
Summary
SCH Number
2026040820
Lead Agency
Seeley County Water District (SCWD)
Document Title
Seeley County Water District Wastewater Treatment Plant Improvements Project
Document Type
NOD - Notice of Determination
Received
Posted
9/11/2026
Document Description
The proposed upgrades of the WWTP will result in a treated flow capacity of 0.15 MGD, lower than the facility’s current design capacity and permitted effluent flow limit but still capable of accommodating increases in flow associated with future growth in the service area. Project upgrades primarily consist of upgrading the WWTP’s secondary treatment system from a pressure sand filter system to a membrane bioreactor (MBR) system as well as several on-site improvements.
Contact Information
Name
Miriam Rosales
Agency Name
Seeley County Water District
Job Title
Administrative General Manager
Contact Types
Lead/Public Agency
Address
Phone
Location
Coordinates
Cities
Seeley (CDP)
Counties
Imperial
Regions
Southern California, Unincorporated
Cross Streets
Main Street and New River Blvd
Parcel #
051-430-007; 051-430-008; 051-430-009; 051-430-010
Township
T16S
Range
R12E
Section
11
Base
SBM
Notice of Determination
Approving Agency
Seeley County Water District
Approving Agency Role
Lead Agency
Approved On
County Clerk
Imperial
Final Environmental Document Available at
https://www.seeleywaterdistrict.ca.gov/
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
Yes
(5) A Statement of Overriding Considerations was adopted for this project
No
(6) Findings were made pursuant to the provisions of CEQA
Yes
Attachments
Notice of Determination
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