Stonebridge Pacific AI Data Center (Columbia County)

Key facts

Location

Pacific, WI · Columbia County

Capacity

—

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Announced

2025-10

Last updated

2026-08-04

Siting context

Nearest named waterway

≈ 0.7 mi — Fox River

Nearest high-voltage line

≈ 3.2 mi — 345 kV line

Baseline water stress

Extremely High(>80%)

Principal aquifer

Cambrian-ordovician Aquifer System(Sandstone)

Straight-line distances. Nearest named waterway via the USGS National Hydrography Dataset; nearest transmission line via HIFLD. Baseline water stress and groundwater trend describe the surrounding hydrological basin (WRI Aqueduct 4.0, CC BY 4.0) — not this facility’s measured water use. Principal-aquifer system underlying the location (USGS, mapped at 1:2,500,000 — regional context, not site hydrogeology).

Status history

1. Cancelled2026-08

   Maryland-based developer Stonebridge stopped exploring the Town of Pacific site after the town chair required that any proposal be aired in a public meeting; no follow-up occurred.

   A $10 billion data center proposal vanished after a local official told the developer the process would have to unfold in public