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Cucamonga Basin Annual Report  10/01/2022 - 09/30/2023

Watermaster Information

Cucamonga Basin 8-02.02 UPPER SANTA ANA VALLEY - CUCAMONGA
San Antonio Water Company v. Foothill Irrigation Company, et al., San Bernardino Superior Court 92645 04/25/1958
Cucamonga Valley Water District, San Antonio Water Company and West End Consolidated Water Company c/o John Bosler, Cucamonga Valley Water District, 10440 Ashford Street Rancho Cucamonga 97130
johnb@cvwdwater.com (909) 987-2591
Lynn Groundwater 455 W. Fir Avenue Clovis 93611
lgroundwater@ppeng.com 559-449-2700
1958 Decree.pdf (1.6MB)
CucBasin_AdjBdry_WEI2017.zip (33.2kB)
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A

Groundwater Level

Is water level data submitted to the CASGEM Program?
Yes
Does this watermaster collect or receive additional groundwater levels?
Yes
Does this watermaster measure groundwater levels?
Yes
Comment(s)
b. Consistent with the 2022 water year reporting for the Cucamonga Basin, the data for wells that are not reported through CASGEM will not be loaded as ?voluntary? wells. Legal counsel to CVWD determined the submission of this data not required. c. Consistent with the 2022 water year reporting for the Cucamonga Basin, the data for wells that are not reported through CASGEM will not be loaded as ?voluntary? wells. Legal counsel to CVWD determined the submission of this data not required. 
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B

Groundwater Use

Reporting Period
From 10/01/2022 To 09/30/2023 
Total Annual Groundwater Extraction (AF)
Method used to determine extraction (if available):
  Volume (AF) Explanation Uncertainty
Groundwater Extraction by water use sector (if available):
Sector Volume (AF) Explanation Uncertainty
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C

Surface Water Use

Reporting Period
From 10/01/2022 To 09/30/2023 
Surface Water Supply (AF)
Method used to determine
 
Uncertainty
 
Water available for recharge or in-lieu use by source type (if available):
  Volume (AF) Explanation Uncertainty
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D

Total Water Use

These data are not available
Explanation
The three water producer parties in the Cucamonga Basin (CVWD, SAWCo, and the City of Upland) have service areas that extend beyond the boundaries of the Basin, and the specific proportion of their total water use within and outside the Basin is measured and maintained by each of the three pumpers in the Cucamonga Basin.
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E

Change in GW Storage

Reporting Period
From 10/01/2022 To 09/30/2023 
Change in storage (AF)
Method used to determine
The same basic methodology was used to calculate change in basin storage as was used last year. The calculation is based on specific yield as defined in a 2020 report, ?Chino Basin 2020 Safe Yield Recalculation Final Report? (Wildermuth Environmental, Inc.). 
Uncertainty
 
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F

Required Documents

Reporting Period
From 10/01/2022 To 09/30/2023 
Please submit an electronic (PDF preferred) copy of your annual report.
2023WY_CVWD Annual Report- FINAL.pdf (782.2kB) Uploaded on 03/29/2024 at 09:35AM
 
Please submit additional reports or documents.