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GSP Annual Report

6-054 INDIAN WELLS VALLEY
2021 (OCT. 2020 - SEP. 2021)
Single Annual Report

GSP Annual Report Information Comments

03/31/2022 4:43 PM

2021 (OCT. 2020 - SEP. 2021)

Single Annual Report
6054_WY_2021.pdf (166.7MB)
GSP_Annual_Reporting_Elements_Guide (3).xlsx (17kB)
6-054 INDIAN WELLS VALLEY
Carol Thomas-Keefer (Colusa Groundwater Authority GSA - Colusa)

A Groundwater Extraction

Total Groundwater Extractions (AF)

20,800

Water Use Sectors

6,530
2,180
8,900
0
0
0
3,190
Other includes Federal Use: (1,770 AF) and Domestic/Mutual/Co-Ops: (1,420 AF)

B Groundwater Extraction Methods

Meters

0

        

        

Electrical Records

0

        

        

Land Use

0

        

        

Groundwater Model

0

        

        

Other

20,800
Estimate
Other
Compilation of data from multiple sources and self-reported data (estimated using various methods) acquired through stakeholder outreach efforts and reporting efforts. 
Accuracy is unknown due to data compiled from multiple sources and multiple methods including water meters, electrical meters, population estimates, and land use estimates. 

C Surface Water Supply

Total Surface Water Supply (AF)

1,300

Methods Used to Determine

Methods include meters and estimates based on total treatment plant influent. 

Water Source Types

0
0
0
0
0
1,300
0
0

        

D Total Water Use

Total Water Use (AF)

22,100

Methods Used to Determine

Water meters, electrical meters, population estimates, land use estimates, other estimates

Water Source Types

20,800
0
1,300
0
0

        

Water Use Sectors

6,930
2,180
9,010
0
0
0
3,980
Other includes Federal Use: (1,770 AF), Domestic/Mutual/Co-Ops: (1,420 AF), and recycled water percolation/habitat support (790 AF).

E Change in Storage


Method used to calculate change in storage

Due to data gaps and data collection issues, current groundwater datasets are considered insufficient for estimating the total change of groundwater storage for WY 2021. The IWVGA has taken steps to resolve the data collection issues and has discussed these issues with DWR staff. Please see the WY 2021 Annual Report for further explanation and a discussion of groundwater levels observed between 2015 and 2021.

F Monitoring Network Module

SGMA Wells Elevation Readings Export (CSV)


General Sites Elevation Readings Export (CSV)