Water Wells Briefing (Presentation)

Montecito Water DistrictOverview of Groundwater Basin

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Montecito Planning CommissionNovember 19, 2014

Montecito Water District

Total Service Area - 9,225 Acres

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Population Served - 13,500

Communities Served - Montecito, Summerland, Toro Canyon

Groundwater Studies / Reports

• Safe Yield Evaluation of the Montecito Basin and Toro Canyon Area;Hoover, March 1980

• Original Report and Addendum, Hydrogeologic Assessment, Determination of Groundwater in Storage within the Montecito Water District; Slade, October 1991

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• Hydrogeologic Investigation, Montecito Ground Water Basins;Geotechnical Consultants, Inc., January 1974

• Hydrogeologic Assessment, Proposed Water Augmentation Measures, Seaward Migration of Groundwater; Slade, August 5, 1987

Groundwater Studies / Reports

• Delineation of Montecito Basin Evaluation of Recharge to Basin from Consolidated Rocks; Hoover, April, 1979

• Hydrogeologic Assessment of Bedrock Water Well Sites Within the Montecito Water District; Slade, August 1984

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• Hydrogeologic Assessment, Water Augmentation Measures; Slade, August 1987

• Development of Additional Water Supplies in the Doulton Tunnel, Proposal; BCI Geonetics, Inc., August 14, 1989

MONTECITO GROUNDWATER BASINSTORAGE UNIT MAP

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MONTECITO WATER DISTRICTSERVICE BOUNDARY PARCEL MAP

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MONTECITO WATER DISTRICTPRODUCTION WELLS

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MONTECITO WATER DISTRICTGROUNDWATER MONITORING PROGRAM

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MONTECITO WATER DISTRICTMAP OF WELL SITES

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10

20

30

40

Ele

vatio

n A

bove

Sea

Lev

el (

ft)Amapola Well - Historical Water Level

Spring Monitoring Periods

10

-20

-10

0

10

1996 1998 2000 2002 2004 2006 2008 2010 2012 2014 2016

Ele

vatio

n A

bove

Sea

Lev

el (

ft)

12

13

14

15

16

17P

rodu

ctio

n (A

F)

Amapola Well Production

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8

9

10

11

12

Pro

duct

ion

(AF

)

180

200

220

240E

leva

tion

Abo

ve S

ea L

evel

(ft)

Valley Club Well - Historical Water Level Spring Monitoring Periods

12

100

120

140

160

1996 1998 2000 2002 2004 2006 2008 2010 2012 2014 2016

Ele

vatio

n A

bove

Sea

Lev

el (

ft)

2.0

2.5

3.0

3.5

4.0

4.5

5.0

Pro

du

ctio

n (

AF

)Valley Club Well Production

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0.0

0.5

1.0

1.5

2.0

Pro

du

ctio

n (

AF

)

STORAGE UNIT 3PROPERTIES W/O DISTRICT SERVICE

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STORAGE UNIT 3WELL LOCATIONS

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Groundwater Management Recommendations

Prepare and send a letter to SB County Environmenta l Health Department and the Board of Supervisors requesting:

1. During the Water Shortage Emergency, the immedia te suspension on the issuance of new groundwater well permits and moratorium on new water well construction withi n the

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and moratorium on new water well construction withi n the Montecito Water District service boundary. *

* Does not affect the permitting for the replacemen t of existing producing wells.

Groundwater Management Recommendations

SANTA BARBARA COUNTY PLANNING & DEVELOPMENT

2. All properties subject to new land use permits w ith existing (and future *) wells (within the Montecito Water District service boundary) shall include the following conditions:

a) Wells to be equipped with a District approved wat er meter and to provide District with annual groundwater usage/extr action data .

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provide District with annual groundwater usage/extr action data .

b) Owner to participate in the District’s groundwate r monitoring program permitting the District reasonable property/well a ccess for collection of bi-annually well static water level.

c) All properties with wells shall have an approved backflow detection device installed at the District meter and be enrol led in the District’s Cross Connection Protection Program.

*Future wells are those that would be permitted fol lowing suspension of the recommended new water well drilling moratorium.