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Compensation 990 is an independent service that uses public IRS Form 990 filings as its source data. We clean and standardize this information, but the original filings may contain errors or omissions. Years on this site refer to the organization’s fiscal year end date on the filing.

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Employees Sioux Rural Water System Inc Darwin Mack

Darwin Mack

Officer

President at Sioux Rural Water System Inc

Fiscal year ended December 31, 2024. Published on January 25, 2026.

$9,677
2024

Total compensation

Darwin Mack has been listed as an employee of Sioux Rural Water System Inc in Form 990 filings since at least fiscal year 2016. Total compensation for Darwin Mack has increased by 0.4% from 2016 to 2024.

Annual compensation details

$9,677
+10.6%
President
2024
$10k org
0.5 hrs/wk
$8,750
-1.6%
President
2023
$9k org
0.5 hrs/wk
$8,892
+20.2%
President
2022

Total compensation by year

Compare the compensation of Darwin Mack to:

2024

Other employees at Sioux Rural Water System Inc

Travis Steffensen
General Manager
$119,807
$85,655 from orgNo related comp$34,152 other
Jim Thyen
Vice President
$9,789
$9,789 from orgNo related compNo other comp
Todd Moritz
Secretary
$3,942
$3,942 from orgNo related compNo other comp
Daniel Schleusner
Treasurer
$3,563
$3,563 from orgNo related compNo other comp
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Revisions to this profile

January 25, 2026:
2024 Sioux Rural Water System Inc 990 published
January 25, 2026:
2023 Sioux Rural Water System Inc 990 published
January 25, 2026:
2022 Sioux Rural Water System Inc 990 published

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