Cooling + water · checked 12 September 2026

EPA documents an operating water-reuse system serving Microsoft's Quincy campus.

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Cooling + water · WA · microsoft-quincy

Sources re-read on 12 September 2026 (software-assisted second check, not an outside audit)

Supported as of EPA observations spanning operation from 2021, 2022 connection status and early-2023 context

Said by US EPA case study (government) in US EPA case study.

Checked 12 September 2026

EPA documents an operating water-reuse system serving Microsoft's Quincy campus.

What the evidence supports

EPA documents operation beginning June 30, 2021 and describes a city-operated treatment and recirculation system serving Microsoft's campus. EPA estimates 138 million gallons per year of potable-water savings, reports about 260 million gallons per year of canal-water makeup and says potable groundwater supplies about 5% of annual makeup. These are different measures and are not additive total consumption or a current meter audit.

Still unknown

Current measured withdrawal, consumption and discharge; a reconciled explanation of Microsoft's separate 380-million-gallon estimate; and operating changes after EPA's dated observations.

Confidence: high — government case study · 1 sources

US EPA case study → Gov. record

Open full claim → History (1) →

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Evidence details

  1. US EPA case study → Gov. record

    Exact location Project Highlights; Solution paragraphs 2-4; Make-up Water Sources paragraphs 2 and 4

    What it supports Operation since 2021, reuse-system design, estimated potable-water savings and reported makeup-water figures. Not current total consumption.

    Retrieved 12 September 2026 · published updated 2026-07-06; original publication not established

Counterevidence

Next check

Recheck current operating status against a later agency or utility record

History

Correction · 12 September 2026 · Software-assisted second check

microsoft-quincy → Cooling + water

Field Cooling + water

From Microsoft Quincy: Supported as delivered; combined measures and a 2021-2022 observation window

To EPA documents an operating reuse system; distinct estimates and dated observations are separated

Why The second review separated estimated savings, canal makeup and potable makeup share and removed an unsupported original-publication year.

Evidence No additional evidence link; see the linked record or claim.

Data + actions

This claim as JSON →

Microsoft Quincy · Linked record

Suggest a correction → Claim ID claim:microsoft-quincy:cooling-water and the page are prefilled. Accepted material corrections appear publicly on Changes.