Northern Utah County Groundwater Northern Utah County Groundwater Management Plan Status and Review November 3, 2010 Teresa Wilhelmsen, P.E. UL/JR Regional Engineer Division of Water Rights

Outline Current Management Policy Water Usage Estimates Summary of Water Rights Future Direction

Utah/Goshen Valley Groundwater Management Plan Effective November 15, 1995 Utah/Goshen Valley defined Relationship between surface and ground water Groundwater Resources of Northern Utah Valley, Utah 1985 Estimated recharge and discharge to be about 200,000 acre-feet per year

Utah/Goshen Valley Groundwater Management Plan Appropriation history of the area –Early 60s closed to appropriations greater than 3.0 acre-feet –1967 moratorium on all groundwater appropriations in southern Utah Valley due to water level declines –1975 levels recovered and the previous policy was reinstated –1995 with this plan the Utah/Goshen Valley was closed to new groundwater appropriations

Utah/Goshen Valley Groundwater Management Plan Withdrawal limits: –Northern Utah Valley Annual withdrawals from wells are limited to an average of 160,000 acre-feet per year, using a 5-year moving average. Maximum withdrawals in any one year shall not exceed 200,000 acre-feet.

Where are we today? Hydrology of Northern Utah Valley, Utah County, Utah, –Published 2008

Where are we today? Groundwater Conditions in Utah, Spring of 2010 Table 3

Where are we today? Groundwater Conditions in Utah, Spring of 2010 Table 2

Where are we today? Water Rights –Nearly 4,700 rights –Approved and Perfected Water Rights and Change Applications “Approved” Change Applications –210 Change Application from other areas 95% Municipal

Disclaimer Estimated Amounts No Claim Filed (Adjudication) Duplicate Groups Overlapping Water Rights

WR 1 UGWC 1912WR 2 DECREE WR 3 Diligence

WR 1 UGWC 1912WR 2 DECREE WR 3 Diligence 30 acres 55 acres 15 acres

WR 1 UGWC 1912WR 2 DECREE WR 3 Diligence 30 acres 55 acres 15 acres Total Acres = 55 NOT = 100 acres

Where are we today? Water Right Summary –Domestic & Stock 5,717 acre-feet –Irrigation137,431 acre-feet –Municipal103,350 acre-feet –Other 92,390 acre-feet Total Estimated Diversion 338,888 acre-feet

Water Rights Summary Non-consumptive Rights –23,813 acre-feet Underground Water Claims –~2600 rights Approved Applications to Appropriate –34 rights … ~15,300 acre-feet

Utah Lake Rights Irrigation Companies East Jordan Irrigation Company »9,967 acre-feet South Jordan Irrigation Company »2,622 acre-feet Utah Lake Distributing Company »5,236 acre-feet Utah and Salt Lake Canal Company »2,139 acre-feet (just within Northern Utah County area)

Listing of Estimated Values –Meetings Past Meetings –November 3, 2010, Northern Utah County Groundwater Management Plan »Water Rights Priority Listing

Summary of Data 1995 – 200,000 AF/yr 2000 – 73,000 AF/yr 2008 – 153,000 (+/- 31,5000) AF/yr 2010 – 338,888 AF/yr

Where do we go from here?  Feedback  Ideas  Comments  Considerations

Where do we go from here? Notice – applications filed after September 30, 2010, will be held “All Applications which represent a new groundwater withdrawal from the Northern Utah County Groundwater Management Area filed after September 30, 2010 will be held until a new groundwater management plan is adopted or a decision is made not to modify the current plan.”

Where do we go from here? 60 days to submit comments (January 4, 2011) We will continue to study this issue and review the Water Rights Review Comments (will be made available on our website) Public Meeting (early next year)