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Environmental Documents

ENVIRONMENTAL PUBLIC REVIEW

Business Hours: Monday through Friday, 7am to 4pm

CONTACT INFORMATION

Makayla Dillon | Management Analyst
Phone: 209.532.5536 Ext. 512
Email: mdillon@tudwater.com

TUD PROJECTS

PROJECT: Sierra Pines Regional Water Treatment Facility

PUBLIC REVIEW: 
October 8, 2020 – November 9, 2020 

PROJECT DESCRIPTION:

TUD is proposing to construct and operate the proposed Project on 46-acres near Twain Harte, California in unincorporated Tuolumne County. The first phase of the proposed Project (the subject of analysis in the IS/MND) involves construction and operation of a water treatment facility with an initial operational capacity of 3 million gallons per day (mgd). The proposed Project water treatment facilities include a new 30-acre-foot-capacity raw water reservoir, a raw water pump station, filter building, sludge lagoons associated appurtenances and electrical structures, water conveyance pipelines, a stormwater detention basin, as well as new recreational trails and amenities. New water transmission pipelines would be installed offsite (within the franchise position of roadways and other public rights of way) to convey treated water to existing TUD facilities.

NOTICE OF INTENT TO ADOPT A MITIGATED NEGATIVE DECLARATION:

(Pursuant to CEQA Section 21092 and CEQA Guidelines Section 15072)

In accordance with the California Environmental Quality Act (CEQA) and the CEQA Guidelines, the Tuolumne Utilities District (TUD), has prepared an Initial Study and proposed Mitigated Negative Declaration (IS/MND) for the Sierra Pines Regional Water Treatment Facility Project (the proposed Project). Based on the results of the Initial Study, TUD determined that construction and operation of proposed Project would not have significant impacts on the environment. All potentially significant impacts identified in the Initial Study would be reduced to less than significant levels with implementation of appropriate mitigation measures.

NOTICE IS HEREBY GIVEN:

Notice is hereby given hat the TUD Board of Directors intends to adopt a CEQA Mitigated Negative Declaration in December 2020 for TUD’s Sierra Pines Regional Water Treatment Facility Project in accordance with the CEQA Guidelines.

WRITTEN COMMENTS ARE DUE BY 5 PM ON NOVEMBER 9, 2020 AND MAY BE SENT VIA MAIL TO:

Tuolumne Utilities District
Attn: Erik Johnson, District Engineer
18885 Nugget Blvd.
Sonora, CA 95370

OR

Via Email to ejohnson@tudwater.com
Please reference Sierra Pines Comment in the Subject Line

PUBLIC INFORMATION MEETING SCHEDULED – OCTOBER 22nd

Thursday October 22nd, 2020: Two meeting times, 3:00pm & 4:30pm at S. Fork Rd. & Sierra Pines Ave in Twain Harte

Meet at the proposed project site located at the intersection of S. Fork Rd. & Sierra Pines Ave in Twain Harte. TUD signs will be posted. To comply with social distancing the meeting is offered at two sessions. Information will be presented at 3:00pm and 4:30pm. Please attend only one session. Presentation length is estimated at 30 minutes followed by questions and answers. Bring your own chair if desired. Click this link for the Sierra Pines Informational Meeting Flyer.

*In the event of rain, the public meeting will be held via Zoom. Please visit the TUD website for details*

PROJECT DOCUMENTS
1) Sierra Pines Public Information Meeting Flyer
2) Notice of Intent-Sierra Pines Regional Water Treatment Facility (SPRWTF)
3) Notice of Completion & Environmental Document SPRWTF
4) SPRWTF Initial Study/Mitigated Negative Declaration

 

Date Released
October 8, 2020

Comments Due
November 9, 2020
by 5:00pm

Addendum 1 – Algerine Slum Dam Project
Initial Study and Mitigated Negative Declaration (ISMND) Ditch Maintenance Activities

Project Overview:
The Tuolumne Utilities District prepared a master initial study/mitigated negative declaration for system-wide ditch maintenance activities certified by the TUD Board of Directors on September 12, 2017 hereby incorporated by reference as follows and available online at
https://tudwater.com/wp-content/uploads/2017/12/Final-Ditch-Maintenance-IS-MND-9-12-17-1.pdf

Algerine Slum Dam Project:
The Tuolumne Utilities District (TUD) receives raw water from the South Fork of the Stanislaus River via the PG&E Main Tuolumne Canal at points near Twain Harte and Phoenix Lake in Tuolumne County near Sonora California. The District operates about 70 miles of open ditch system delivering water from the Main Tuolumne Canal to 11 active water treatment plants spread throughout the TUD service area serving treated water to roughly 31,000 people and raw water to over 600 customers. One of these raw water conveyance structures is TUD’s Algerine Ditch that serves water to livestock ranches in the Wards Ferry ‐ Algerine Area. A slum dam diverts water from Curtis Creek into the Algerine Ditch and a small, private diversion (west bank), at a point located approximately 1,000 feet north of Old Wards Ferry Road. Water diverted by the Algerine ditch is first delivered to Curtis Creek upstream of this location via TUD’s Phoenix Ditch. The slum dam is a gold rush era structure that spans Curtis Creek, approximately 50 feet, and only functions to divert water; no water is impounded. The construction of the diversion is comprised of stacked rocks secured with mortar with a shotcrete overlay on most of the downstream and upstream dam facing surfaces.

Addendum 1 – Algerine Slum Dam Project (ISMND) – December 2019

CEQA Process:

NOTICE IS HEREBY GIVEN that the Tuolumne Utilities District will conduct a public hearing at 2:00 p.m., or as shortly thereafter as may be heard, on the 14th day of January 2020 at the TUD Board Room, 18885 Nugget Blvd Sonora, CA 95370 to consider the following:   

Addendum to the Tuolumne Utilities District 2017 Initial Study and Mitigated Negative Declaration for Ditch Maintenance to include improvements to the Algerine Slum Dam along Curtis Creek.

At the above time and place, all persons interested in the above, either for or against, will be given the opportunity to be heard.  Copies of the proposed Addendum to the Mitigated Negative Declaration, maps, and supporting documents for the above proposal are available for public inspection at the Tuolumne Utilities District Offices located at 18885 Nugget Blvd, Sonora, CA 95370, 209.532.5536 during regular business hours or on their website at www.tudwater.com

Questions regarding the project may be directed to Amy Augustine, AICP at (209) 532-7376 or (209) 743-2323 (c), tuolandplanner@gmail.com

Pursuant to State law, challenges in court to actions on the above proposal may be limited to issues raised at public hearings or meetings conducted on the matter, or in correspondence submitted at, or prior to, the hearing or meeting.  If you need assistance to participate in this meeting, please contact the Tuolumne Utilities District offices at 209.532.5536 prior to the hearing.

 

Date Released
December 19, 2019

Public Hearing
January 14, 2020
at 2:00pm

Sonora Regional Wastewater Treatment Facility Improvements Project – Draft CEQA ISMND

Project Overview:
The proposed Sonora Regional Wastewater Treatment Facility Improvements Project will provide replacement of existing polishing ponds with a new activated sludge treatment facility consisting of the following: headworks primary screening and grit removal, new activated sludge/extended aeration secondary treatment processing, new secondary clarifiers, new chlorine disinfection facilities, renovated sludge digestion to aerated digestion, and new sludge dewatering facilities. A new administration and electrical building (Building A) will be constructed adjacent to the treatment facility. A new Building B will contain headworks and sludge dewatering systems. The existing digestion building will be a renovated Building C. Existing septage receiving station, headworks, primary clarifiers, trickling filters, and secondary clarifiers will be demolished as part of the project. The existing Emergency Storage Basin Pond A will be lined and reused in the proposed Project. The new facilities will be constructed in the location of the existing polishing ponds. The land area will be reclaimed by draining and filling the ponds with approximately 90,000 cubic yards of fill material to be generated onsite. Construction activities will include grading, site preparation, excavation, concrete placement, and mechanical and electrical equipment installation. The proposed Project construction is anticipated to take place in 2021 and 2022.

CEQA Process:

The District is seeking public comments on the environmental document for the proposed Project from local and state agencies, and interested organizations/persons. Written comments are preferred. The Initial Study/ Mitigated Negative Declaration (ISMND) discloses that, with the incorporation of mitigation, no significant environmental impacts are anticipated with the proposed Project. Comments received will be duly considered by the District prior to adoption of the document. The ISMND for the Project is available for review at the Tuolumne Utilities District office located at 18885 Nugget Boulevard, Sonora, CA 95370 and the Tuolumne County Clerk Office at 2 S. Green Street, Second Floor, Sonora, CA 95370.

The District requests written comments be submitted as soon as possible to ensure each comment is addressed adequately. The public review period begins December 3, 2019 and ends January 3, 2020. Written comments should be sent directly to the Tuolumne Utilities District, Erik D. Johnson, 18885 Nugget Boulevard, Sonora, CA 95370 or via email at ejohnson@tudwater.com.

Administrative Draft CEQA Initial Study/Mitigated Negative Declaration
Environmental Assessment

Date Released
December 3, 2019

Public Review
December 3 to
January 3, 2020 

Addendum 1 – Algerine Slum Dam Project
Initial Study and Mitigated Negative Declaration (ISMND) Ditch Maintenance Activities

Project Overview:
The Tuolumne Utilities District prepared a master initial study/mitigated negative declaration for system-wide ditch maintenance activities certified by the TUD Board of Directors on September 12, 2017 hereby incorporated by reference as follows and available online at
https://tudwater.com/wp-content/uploads/2017/12/Final-Ditch-Maintenance-IS-MND-9-12-17-1.pdf

Algerine Slum Dam Project:
The Tuolumne Utilities District (TUD) receives raw water from the South Fork of the Stanislaus River via the PG&E Main Tuolumne Canal at points near Twain Harte and Phoenix Lake in Tuolumne County near Sonora California. The District operates about 70 miles of open ditch system delivering water from the Main Tuolumne Canal to 11 active water treatment plants spread throughout the TUD service area serving treated water to roughly 31,000 people and raw water to over 600 customers. One of these raw water conveyance structures is TUD’s Algerine Ditch that serves water to livestock ranches in the Wards Ferry ‐ Algerine Area. A slum dam diverts water from Curtis Creek into the Algerine Ditch and a small, private diversion (west bank), at a point located approximately 1,000 feet north of Old Wards Ferry Road. Water diverted by the Algerine ditch is first delivered to Curtis Creek upstream of this location via TUD’s Phoenix Ditch. The slum dam is a gold rush era structure that spans Curtis Creek, approximately 50 feet, and only functions to divert water; no water is impounded. The construction of the diversion is comprised of stacked rocks secured with mortar with a shotcrete overlay on most of the downstream and upstream dam facing surfaces.

Addendum 1 – Algerine Slum Dam Project (ISMND) – December 2019

CEQA Process:

NOTICE IS HEREBY GIVEN that the Tuolumne Utilities District will conduct a public hearing at 2:00 p.m., or as shortly thereafter as may be heard, on the 14th day of January 2020 at the TUD Board Room, 18885 Nugget Blvd Sonora, CA 95370 to consider the following:   

Addendum to the Tuolumne Utilities District 2017 Initial Study and Mitigated Negative Declaration for Ditch Maintenance to include improvements to the Algerine Slum Dam along Curtis Creek.

At the above time and place, all persons interested in the above, either for or against, will be given the opportunity to be heard.  Copies of the proposed Addendum to the Mitigated Negative Declaration, maps, and supporting documents for the above proposal are available for public inspection at the Tuolumne Utilities District Offices located at 18885 Nugget Blvd, Sonora, CA 95370, 209.532.5536 during regular business hours or on their website at www.tudwater.com

Questions regarding the project may be directed to Amy Augustine, AICP at (209) 532-7376 or (209) 743-2323 (c), tuolandplanner@gmail.com

Pursuant to State law, challenges in court to actions on the above proposal may be limited to issues raised at public hearings or meetings conducted on the matter, or in correspondence submitted at, or prior to, the hearing or meeting.  If you need assistance to participate in this meeting, please contact the Tuolumne Utilities District offices at 209.532.5536 prior to the hearing.

 

Date Released
December 19, 2019

Public Hearing
January 14, 2020
at 2:00pm

Sonora Regional Wastewater Treatment Facility Improvements Project – Draft CEQA ISMND

Project Overview:
The proposed Sonora Regional Wastewater Treatment Facility Improvements Project will provide replacement of existing polishing ponds with a new activated sludge treatment facility consisting of the following: headworks primary screening and grit removal, new activated sludge/extended aeration secondary treatment processing, new secondary clarifiers, new chlorine disinfection facilities, renovated sludge digestion to aerated digestion, and new sludge dewatering facilities. A new administration and electrical building (Building A) will be constructed adjacent to the treatment facility. A new Building B will contain headworks and sludge dewatering systems. The existing digestion building will be a renovated Building C. Existing septage receiving station, headworks, primary clarifiers, trickling filters, and secondary clarifiers will be demolished as part of the project. The existing Emergency Storage Basin Pond A will be lined and reused in the proposed Project. The new facilities will be constructed in the location of the existing polishing ponds. The land area will be reclaimed by draining and filling the ponds with approximately 90,000 cubic yards of fill material to be generated onsite. Construction activities will include grading, site preparation, excavation, concrete placement, and mechanical and electrical equipment installation. The proposed Project construction is anticipated to take place in 2021 and 2022.

CEQA Process:

The District is seeking public comments on the environmental document for the proposed Project from local and state agencies, and interested organizations/persons. Written comments are preferred. The Initial Study/ Mitigated Negative Declaration (ISMND) discloses that, with the incorporation of mitigation, no significant environmental impacts are anticipated with the proposed Project. Comments received will be duly considered by the District prior to adoption of the document. The ISMND for the Project is available for review at the Tuolumne Utilities District office located at 18885 Nugget Boulevard, Sonora, CA 95370 and the Tuolumne County Clerk Office at 2 S. Green Street, Second Floor, Sonora, CA 95370.

The District requests written comments be submitted as soon as possible to ensure each comment is addressed adequately. The public review period begins December 3, 2019 and ends January 3, 2020. Written comments should be sent directly to the Tuolumne Utilities District, Erik D. Johnson, 18885 Nugget Boulevard, Sonora, CA 95370 or via email at ejohnson@tudwater.com.

Administrative Draft CEQA Initial Study/Mitigated Negative Declaration
Environmental Assessment

Date Released
December 3, 2019

Public Review
December 3 to
January 3, 2020 

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