B. Description of Proposed Boundary Modification

1. Short Description

   Extend the boundary of the Delta-Mendota Subbasin (5-22.07) to include all of Aliso Water District
2. Type of basin boundary revision

   • Jurisdiction Internal
3. Provide a narrative overview of the boundary modification request and how the resulting modification would affect likelihood of sustainable management.

   Aliso Water District boundaries overlie two basins: the Madera and the Delta-Mendota basins. Aliso Water District proposes to modify the existing basin boundary, moving the dividing line easterly to position the Aliso Water District wholly within the Delta-Mendota basin. Operating within one basin will allow for simpler governance and increased ability to sustainably manage groundwater.

   Attachment(s):
4. List the existing basin(s)/subbasin(s) to be modified by this request

   • 5-022.06 SAN JOAQUIN VALLEY - MADERA
   • 5-022.07 SAN JOAQUIN VALLEY - DELTA-MENDOTA
5. Provide the proposed name for the new basin(s) or subbasin(s)

   n/a

C. Initial Notification and Combination of Requests

1. Was an initial notification submitted to the Department?

   Yes
   List of submitted initial notification for the selected basin(s)/subbasin(s).

   Local Agency	Potential Basin(s)/Subbasin(s)
   San Luis & Delta-Mendota Water Authority	5-022.07 SAN JOAQUIN VALLEY - DELTA-MENDOTA , 5-022.06 SAN JOAQUIN VALLEY - MADERA
   Aliso Water District	5-022.07 SAN JOAQUIN VALLEY - DELTA-MENDOTA , 5-022.06 SAN JOAQUIN VALLEY - MADERA
   New Stone Water District	5-022.06 SAN JOAQUIN VALLEY - MADERA , 5-022.05 SAN JOAQUIN VALLEY - CHOWCHILLA
   Madera County	5-022.06 SAN JOAQUIN VALLEY - MADERA
   Kings River Conservation District	5-022.09 SAN JOAQUIN VALLEY - WESTSIDE , 5-022.12 SAN JOAQUIN VALLEY - TULARE LAKE , 5-022.08 SAN JOAQUIN VALLEY - KINGS , 5-022.07 SAN JOAQUIN VALLEY - DELTA-MENDOTA
   San Luis & Delta-Mendota Water Authority	5-022.07 SAN JOAQUIN VALLEY - DELTA-MENDOTA , 5-022.09 SAN JOAQUIN VALLEY - WESTSIDE
   San Luis & Delta-Mendota Water Authority	5-022.07 SAN JOAQUIN VALLEY - DELTA-MENDOTA , 5-022.15 SAN JOAQUIN VALLEY - TRACY
   	5-022.07 SAN JOAQUIN VALLEY - DELTA-MENDOTA , 5-022.05 SAN JOAQUIN VALLEY - CHOWCHILLA

2. Does this application include a combination of requests?

   No

D. Required Documents for All Modifications

1. A copy of the statutory or other legal authority under which the requesting agency was created with specific citations to the provisions setting forth the duties and responsibilities of the agency.

Attachment(s):

• Aliso WD Formation document.pdf (1.6MB) Uploaded on 02/16/2016 at 04:46PM

2. A copy of the signed resolution adopted by the requesting agency formally initiating the boundary modification request process.

Attachment(s):

• Resolution.pdf (378.5kB) Uploaded on 02/16/2016 at 04:47PM

3. A map of adequate scale (no greater than 1:24,000; e.g., 1:10,000 is not acceptable) showing the proposed modified basin boundary in relation to the existing Bulletin-118 basin boundary and the local agencies that are within or bordering the existing and proposed basin.

Attachment(s):

• deltamendota_agencies_aliso_modified_area.pdf (3.4MB) Uploaded on 02/16/2016 at 04:47PM

4. A GIS shapefile of the proposed modified groundwater basin boundaries. Download Existing B118 basin shape file | DWR Spatial Data Standards

Attachment(s):

• DeltaMendota_Subbasin_Proposed_Aliso.zip (43.9kB) Uploaded on 02/18/2016 at 05:54AM

5. A GIS shapefile of the political boundaries of any affected or adjacent local agency. Download water agency shape file

Attachment(s):

• Local_agencies_affected.zip (229.8kB) Uploaded on 02/18/2016 at 05:54AM

6. Any information, if necessary, to enable DWR to satisfy the requirements of a responsible agency pursuant to the California Environmental Quality Act.

this modification does not qualify as a project under CEQA.

E. General Information

1. Describe the lateral boundaries of the alluvial aquifer or aquifers that form the groundwater basin and the definable bottom of the basin. The description must be in terms that are clear, definite, and sufficiently detailed to allow an authoritative map of the proposed basin boundaries to be plotted using the given description.

the lateral boundary description was coordinated with the SLDMWA request, and is attached below for the entire Delta-Mendota Sub-basin. Definable bottom as defined by base of fresh water: http://pubs.usgs.gov/ha/489/plate-1.pdf

Attachment(s):

• Delta Mendota Subbasin Revised Boundary Description-final.docx (16.2kB) Uploaded on 03/15/2016 at 10:35AM

F. Notice and Consultation

1. List all local agencies and public water systems affected by the basin(s) modification request.

see file

Attachment(s):

• Affected Agencies.xls (27.5kB) Uploaded on 02/16/2016 at 05:44PM

2. Explain the methods used to identify interested local agencies and public water systems in the affected basin(s):

overlying counties, established GSAs, Regional Authorities, local agencies and cities within 5 miles, and public water systems within 5 miles.

3. Provide information regarding the nature of consultations with affected or interested agencies. Attach and cite any copies of correspondences with local agencies and public water systems and/or any other persons or entities consulted.

Attached is a letter sent to notice affected agencies of our proposed modification. Also, informal consultations garnered to supported demonstrated in question F. 5.

Attachment(s):

• 2016-0310 Support Letter.pdf (3.2MB) Uploaded on 03/14/2016 at 06:41AM

4. Provide a summary of all public meetings at which the proposed boundary modification was discussed or considered by the requesting agency. Attach and cite any copies of agendas and notices published.

Initial Notification: 12/24/2015 Formal Resolution: 1/26/2016

Attachment(s):

• Board Meeting Agenda_20160126.pdf (187.5kB) Uploaded on 02/16/2016 at 05:56PM
• Board Meeting Minutes_20160126.pdf (400.7kB) Uploaded on 03/14/2016 at 06:45AM
• Board Meeting Minutes_20151224.pdf (402.9kB) Uploaded on 03/14/2016 at 06:55AM

5. Attach a copy of all comments regarding the proposed boundary modification received by the requesting agency and a summary of any responses made by the requesting agency.

waiting for notification period to begin before receiving comments. However have received support from the attached.

Attachment(s):

• SJRECWA Support Minutes.pdf (255.1kB) Uploaded on 02/16/2016 at 05:58PM
• Madera Sub-basin GSA letter.pdf (140.6kB) Uploaded on 02/16/2016 at 05:58PM

G. General Existing Groundwater Management

1. Explain how sustainable groundwater management exists or could likely be achieved in the basin:

Aliso WD relies solely on groundwater as its supply. This groundwater is principally recharged by the San Joaquin River. The District is experiencing an overdraft of 2,200 af/yr on an average annual basis. The District is currently split between the Delta-Mendota and the Madera Sub-basins. Managing the District in two different basins, and complying with two different GSPs is unnecessary. Aliso WD more closely aligns with the activities of the Delta-Mendota Sub-basin. Many of the actions mentioned the Groundwater Management Plan to rectify groundwater overdraft, are similar to those methods that would be used by others in their vicinity, given their similar water supply and geology.

2. Explain how the proposed boundary modification would affect the ability of adjacent groundwater basins to sustainably manage groundwater in those groundwater basins.

The adjacent basins welcome the change to the groundwater basin boundary modifications. They recognize the difficulty Aliso WD would face managing for two different GSPs, as evident by their letters of supports. Since Aliso WD is reliant on groundwater, the Madera Sub-basin will likely see an increased ability to manage its water supplies to reach sustainability. The Delta-Mendota Sub-basin contains agencies that Aliso typically collaborates with. These relationships will allow for Aliso WD as well as the Delta-Mendota Sub-basin to sustainable manage groundwater.

3. Provide a historical summary of the sustainable management of groundwater levels in the proposed basin(s) or subbasin(s).

There are many AB3030 groundwater management plans that overlay the area. Aliso WD's GWMP identifies representative hydrographs of the region. While the trend is downward, the GWMP has identified many corrective actions that could be used to rectify the problem if it is determined to be significant and unreasonable during the development and implementation of the GSP. The GWMPs of the SLDMWA and the SJRECWA recognize that overdraft does exist and that it is localized. These plans have also identified methods to correct problem.

4. Discuss potential impacts to state programs resulting from the proposed boundary modification, including, but not limited to, the California Statewide Groundwater Elevation Monitoring (CASGEM), Groundwater Management Plans developed pursuant to AB 3030, Groundwater Sustainability Plans developed pursuant to the Sustainable Groundwater Management Act, any applicable state or regional board plans, and other water management and land use programs.

The only State program that could be impacted is CASGEM. The monitoring entity for Aliso WD is currently in the Madera Sub-basin. SLDMWA is the monitoring entity of the Delta-Mendota area and can accommodate the Aliso WD if deemed necessary by the State.

H. Local Support

1. Provide any evidence that sufficient information was provided to affected agencies and systems regarding the proposed boundary modification.

See attached letter sent notifiy affected agencies and requesting support. Also,see draft letter to be sent during notification period.

Attachment(s):

• 2016-0216 Notification Letter.pdf (3.5MB) Uploaded on 02/16/2016 at 06:03PM
• 2016-0310 Support Letter.pdf (3.2MB) Uploaded on 03/14/2016 at 06:41AM

2. Provide a list of all affected agencies and affected systems that submitted comments and/or documents in support or opposition to the proposed boundary. The agency submitting their support or opposition for a boundary modification must provide a copy of a resolution formally adopted by the decision-making body of the affected agency or system or a letter signed by an executive officer or other official with appropriate delegated authority who represents the agency or system. Attach copies of the resolution and/or signed letter detailing the support or opposition submitted.

Only one formal support letter has been received so far.

Attachment(s):

• Madera Sub-basin GSA letter.pdf (140.6kB) Uploaded on 02/16/2016 at 05:58PM

3. Provide any evidence that rebuts any opposition to the proposed boundary modification.

No opposition yet.

I. Hydrogeologic Conceptual Model

1. Principal aquifer units within requested basin.
2. Lateral boundaries of the proposed basin, including:
   1. Geologic features that significantly impede or impact groundwater flow.
   2. Aquifer characteristics that significantly impede or impact groundwater flow.
   3. Significant geologic and hydrologic features and conditions of the principle aquifer units, as appropriate, including information regarding the confined or unconfined nature of the aquifer, facies changes, truncation of units, the presence of faults or folds that impede groundwater flow, or other groundwater flow restricting features.
   4. Key surface water bodies, groundwater divides and significant recharge sources.
3. Recharge and discharge areas within the basin.
4. Definable bottom of the basin or subbasin.

The department may waive this requirement for an internal boundary modification if the requesting agency is able to demonstrate that the proposed boundary modification is unlikely to affect sustainable groundwater management.

It is requested that the Hydrogeologic Conceptual Model requirement be waived for this internal boundary modification. This modification does not include new hydrogeologic features that would impact sustainable groundwater management in either the Delta-Mendota or the Madera Sub-basins.

L. Technical Studies for All Jurisdictional Modifications

1. A water management plan that covers or is in the immediate vicinity of the proposed basin or portion of the proposed basin and satisfies the requirement of Water Code sections 10753.7(a) or 10727 by attaching one of the following:
   1. An adopted groundwater management plan, a basin wide management plan, or other integrated regional water management program or plan.
   2. Management pursuant to an adjudication action.
   3. One or more technical studies that cover the relevant portion of a basin or subbasin and adjacent areas.

URL: http://www.water.ca.gov/groundwater/docs/GWMP/SJ-12_SanJoaquinRiverExchangeContractorsWAs_GWMP_2008.pdf, http://www.water.ca.gov/groundwater/docs/GWMP/SJ-14_SanLuis&Delta-MendotaWA_Southern%20Agencies_GWMP%20_2009.pdf, http://www.water.ca.gov/groundwater/

Attachment(s):

• Aliso Water District Groundwater Mangement AB3030 Plan.pdf (7.2MB) Uploaded on 02/17/2016 at 07:13AM
• Aliso WD Groundwater Management Plan_Update.pdf (1.2MB) Uploaded on 02/17/2016 at 07:13AM

2. A statement of the existing and planned coordination of sustainable groundwater management activities and responsibilities where required.

The Delta Mendota subbasin is in the process of organizing GSAs, and determining how the GSPs will be prepared. Aliso WD will collaborate with the other entities in the basin through coordination agreements to sustainably manage groundwater.