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Industry · Utilities

Water Supply and Irrigation Systems

NAICS 221310 · 8,322 matched workers · high confidence

Roughly balanced
51.5% Democratic, 48.5% Republican

Two-party shares across 8,322 workers in the Water Supply and Irrigation Systems industry.

51.5%
48.5%
DemocraticRepublican
Imputed
51.5% D · 48.5% R
Includes lean for unaffiliated registrants
Hierarchy
Utilities › Water, Sewage and Other Systems
NAICS2 22 · NAICS4 2213
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Where Water Supply and Irrigation Systems falls

More Democratic than 64% of industries in Utilities.

← DemocraticRepublican →Electric Power Distribution — 50% DemocraticFossil Fuel Electric Power Generation — 45% DemocraticOther Electric Power Generation — 50% DemocraticNatural Gas Distribution — 50% DemocraticElectric Bulk Power Transmission and Control — 56% DemocraticSolar Electric Power Generation — 64% DemocraticHydroelectric Power Generation — 47% DemocraticWind Electric Power Generation — 50% DemocraticNuclear Electric Power Generation — 45% DemocraticGeothermal Electric Power Generation — 53% DemocraticSewage Treatment Facilities — 49% DemocraticSteam and Air-Conditioning Supply — 32% DemocraticBiomass Electric Power Generation — 65% DemocraticWater Supply and Irrigation Systems — 52% Democratic0%25%50%75%100%
Each dot is one of the 13 other industries in Utilities; size scales by workforce. Hover to see names — click to jump.

How this is measured

VRscores estimate the partisan composition of an industry by linking voter registration records to employment profiles, then aggregating workers up the NAICS hierarchy. The two-party shares above exclude workers with no major-party affiliation.

Read the full methodology or the published Organization Science paper.

Top employers in Utilities

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Citation

Kagan, Max; Frake, Justin; Hurst, Reuben (2026). “VRscores: A New Measure and Data Set of Workforce Politics Using Voter Registrations.” Organization Science, 37(2), 444–465.
https://doi.org/10.1287/orsc.2025.20402