Iowa infrastructure

Iowa data center water reporting and use.

6 sourced items are documented. Reporting duties, permitted quantities and reported use retain separate meanings.

Historical record, Program requirements. Checked: October 27, 2026.

Evidence applies only to the subjects and dates in the linked sources. State context does not assign a tariff, permit or quantity to every facility.

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Sourced findings.

Google Council Bluffs 2025 water reporting
Google reported location totals only, potentially covering multiple facilities. These are not all operators in a city or state, approved supply allocations or an individual building reading.
Google. Source: Publication date not stated. Checked: October 23, 2026.
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Meta Altoona 2024 water withdrawal
Meta reported named facility withdrawal for 2024. The label may cover a campus; it is not an independent Atlas building measurement, statewide demand, approved allocation or future water requirement. Original megaliter unit and unknown site consumption remain explicit.
Meta Platforms. Source: Publication date not stated. Checked: October 23, 2026.
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Microsoft Des Moines fiscal 2025 water withdrawal
Operator reported whole megaliter withdrawal at a metropolitan location containing owned datacenters. Fiscal period, estimated data possibility, exclusions and absence of Deloitte review are explicit. No exact building join or net consumption calculation.
Microsoft. Source: Publication date not stated. Checked: October 24, 2026.
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Iowa data center direct withdrawal and municipal supply boundaries
Full substantive Iowa DNR data center regulatory guide reviewed. Agency framework only; underlying rules, individual withdrawal or discharge permits and exact record identities not reviewed.
Iowa Department of Natural Resources. Source: Publication date not stated. Checked: October 25, 2026.
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Iowa historical thermoelectric water context
Historical2015 state thermoelectric power estimates, including fresh and saline water. Not current2026 conditions, data center facility use, drinking water demand, permit allocation or proof of a data center effect. Withdrawal, total water use including deliveries and reclaimed wastewater, and consumptive use are distinct. Consumption may exceed withdrawal because other supplied water is included. Independent rounding is retained; no facility joins or per kWh allocation.
U.S. Geological Survey. Source: Publication date not stated. Checked: October 26, 2026.
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Iowa historical2020 modeled thermoelectric water context
USGS2008-2020 thermoelectric water-use reanalysis,published annual output filtered to2020:modeled annual-mean million gallons/day,not observed current2026 water use.958plant-year rows cover48conterminous states,not a complete facility census or data center inventory. Withdrawals include fresh/saline rows;consumption at coastal saline plants was not modeled.54Once-through saline source zero-consumption placeholders are excluded from consumption sums,not measured zero. State best/lower/upper figures are calculated sums of source plant model estimates and thermodynamic plausibility limits,not statewide statistical confidence intervals. Do not compare directly with2015county compilation as a measured trend;methods differ. HUC12 IDs and county labels do not certify parcels;README says public model-input coordinates use interpolated HUC12 centroids,not precise plant locations. No source coordinates adopted,site joins,permit/sustainable availability/datacenter allocation or causal inference.
U.S. Geological Survey. Source: October 31, 2023. Checked: October 27, 2026.
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