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Advancing Water Reuse Act creates 30% investment tax credit for water-reuse projects

A federal investment tax credit aimed at industrial and municipal water-recycling capacity that redirects capital toward replacing freshwater with recycled water.

The Brief

The Advancing Water Reuse Act adds a new section 48F to the Internal Revenue Code to provide a 30% investment tax credit for qualified investments in certain water-reuse projects. The credit applies to depreciable tangible property placed in service for onsite industrial recycling, projects that substitute municipal recycled water for freshwater in production, and construction or expansion of municipal recycling systems used to supply industry.

The measure is designed to stimulate private and municipal investment in nonpotable and industrial recycled-water capacity by lowering the after-tax cost of equipment and construction. For practitioners, the bill creates a time-limited federal subsidy (construction must begin by Dec. 31, 2032), introduces a transfer rule to allocate credits when property moves to utilities, and folds the new credit into the existing section 46 investment-credit framework — all of which have implications for project structuring, tax appetite, and public–private partnerships.

At a Glance

What It Does

Creates a new 30% investment tax credit (section 48F) for the basis of depreciable tangible property placed in service as part of qualifying water reuse projects. The provision adopts familiar investment-credit mechanics, including progress-expenditure rules, and terminates for property whose construction starts after December 31, 2032.

Who It Affects

Directly affects industrial water users (manufacturing, data centers, food processing), municipal water utilities that build or receive recycled-water infrastructure, and owners/contractors of tangible, depreciable equipment used in recycling systems. It also implicates tax advisors, engineering contractors, and manufacturers of treatment equipment.

Why It Matters

Shifts federal capital incentives toward recycled-water infrastructure rather than direct grants or loans, creating a market signal for private investment and public–private deals. For firms with taxable income, the credit lowers project cost; for utilities and municipalities, the credit can influence how they structure asset ownership and agreements.

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What This Bill Actually Does

The bill creates a new, nonrefundable investment tax credit equal to 30% of the qualified investment in qualifying water reuse projects. 'Qualified investment' is defined as the taxpayer's basis in tangible property that is depreciable or amortizable and is placed in service as part of a qualifying project during the taxable year. The statutory language imports the familiar machinery from the investment-credit rules—so timing and basis rules (including progress-expenditure treatments) will drive how much of a project's costs qualify in each year.

A qualifying project is narrowly drafted to cover three commercial uses: (1) installation, replacement, or modification of onsite water-recycling systems within specified facilities (industrial, manufacturing, data centers, food processing); (2) projects that substitute recycled municipal water for freshwater sources in the production of goods or provision of services; and (3) construction or expansion of municipal recycling systems for the purpose of securing recycled water for production or service provision. That focus ties the subsidy to commercial water demand rather than residential or agricultural reuse.The bill includes a special anti-double-claiming and allocation rule for transfers of eligible property to utilities: if a developer transfers qualifying property to a utility under a binding written agreement, the transferor can be treated as having placed the property in service and claim the credit, while the utility is barred from claiming the same credit.

Practically, that language aims to let third-party developers monetize credits while utilities get infrastructure without claiming the tax benefit themselves.Finally, the credit is time-limited. It applies only to property whose construction begins on or before December 31, 2032, and the effective-date mechanics reference existing section 48(m) rules.

The bill also amends section 46 to list the new credit as part of the investment-credit bundle, so taxpayers and preparers must treat it alongside other investment credits in computing allowable credits and interactions with basis adjustments.

The Five Things You Need to Know

1

The bill establishes a 30% investment tax credit under a new section 48F for the basis of depreciable tangible property used in qualifying water-reuse projects.

2

Qualified property must be tangible, depreciable (or amortizable), and either constructed by the taxpayer or acquired with original use beginning with the taxpayer.

3

Qualifying water reuse projects are limited to: onsite industrial recycling systems; projects replacing freshwater with municipal recycled water for production or services; and building or expanding municipal recycling systems to secure recycled water for production.

4

If a person transfers qualifying property to a utility under a binding written agreement, the transferor can claim the credit (treated as having placed the property in service) while the utility is barred from claiming the credit for that property.

5

The credit does not apply to property the construction of which begins after December 31, 2032; effective-date rules follow the mechanics of existing section 48(m).

Section-by-Section Breakdown

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Section 1

Short title — 'Advancing Water Reuse Act'

A single-line provision setting the Act's short title. This has no operational effect on tax mechanics, but it signals the statute’s policy focus for regulators and practitioners when interpreting legislative intent.

Section 48F(a)

Establishes the 30% qualifying water reuse project credit

Subsection (a) creates the core tax incentive: a 30% credit measured by the qualified investment for the taxable year. Practically, taxpayers will compute the credit annually against their tax liability under the section 46 framework; because it is an investment credit, it will interact with other credits and potential ordering rules in section 46.

Section 48F(b)

Defines 'qualified investment' and 'qualified property'

Subsection (b) ties the credit to the taxpayer’s basis in depreciable tangible property placed in service. It repeats standard investment-credit conditions: property must be depreciable or amortizable and either newly constructed by the taxpayer or acquired with original use commencing with the taxpayer. The subsection also adopts rules analogous to section 46 progress-expenditure rules, which matter for long-lead projects and phased construction because they determine when costs are treated as placed in service and how much credit is claimable in each period.

2 more sections
Section 48F(c)

Limits on qualifying water reuse projects — narrow commercial focus

Subsection (c) enumerates three discrete project categories that qualify. The drafting deliberately targets commercial production uses (industry, data centers, food processing) and municipal systems that serve production, not broad residential reuse or agricultural irrigation. That restricts the subsidy to projects that directly reduce industrial freshwater demand or secure recycled supply for goods and services.

Section 48F(d)–(e) and conforming

Transfer-to-utility rule, termination date, and conforming code changes

Subsection (d) permits a transferor to retain the credit for property transferred to a utility if a binding agreement says so, and it prevents the receiving utility from claiming the credit. Subsection (e) terminates eligibility for property whose construction starts after Dec. 31, 2032. The bill also amends section 46 to add the new credit to the investment-credit list and updates the code table; the effective-date clause follows section 48(m) mechanics, which practitioners must consult to determine application across projects already underway.

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Who Benefits and Who Bears the Cost

Every bill creates winners and losers. Here's who stands to gain and who bears the cost.

Who Benefits

  • Industrial water users (manufacturing, food processors, data centers): They lower capital cost for installing onsite recycling and switching to recycled municipal water, improving project economics for industrial water-efficiency investments.
  • Municipal utilities and public water systems: They can attract private developers to build or expand recycled-water systems under agreements where the private partner claims the tax credit, accelerating municipal infrastructure without the utility bearing the tax burden.
  • Engineering, construction, and equipment manufacturers: Demand for treatment systems, membranes, pumps, and project engineering rises as firms invest to capture the 30% credit.
  • Project developers and tax-equity investors: Developers who retain tax appetite or enter into credit-sharing agreements can monetize the credit, improving returns on private investment in recycled-water projects.
  • Private capital providers and infrastructure funds: The credit creates a predictable federal subsidy that can be modeled into investment returns, potentially unlocking more private financing for water infrastructure.

Who Bears the Cost

  • Federal Treasury / taxpayers at large: The credit represents forgone revenue and increases federal outlays implicitly; the fiscal cost will depend on uptake and project sizing.
  • Smaller municipalities and under-resourced utilities: They may face transaction and legal costs to negotiate binding agreements with developers and to integrate new recycled-water projects into existing systems.
  • Companies without sufficient taxable income: Firms that cannot absorb the credit themselves may need to pay intermediaries or accept less favorable commercial terms to monetize the credit, raising effective project costs.
  • Regulators and the IRS: They bear administrative burdens to interpret eligibility, oversee progress-expenditure elections, verify placed-in-service dates, and police potential abuse or double-claiming across owners.
  • Groundwater suppliers and incumbent freshwater vendors: Reduced industrial freshwater demand could affect revenue streams and business models for entities that currently sell or manage freshwater supplies.

Key Issues

The Core Tension

The central dilemma is a trade-off between catalyzing rapid private investment in recycled-water infrastructure by using a substantial tax credit and the risk that the same credit misallocates federal subsidy dollars, favors tax-capable developers over smaller public entities, and complicates water planning by privileging projects that are tax-efficient rather than those that best serve long-term resource management.

The bill prioritizes commercial and municipal production uses and excludes broader classes of reuse (notably agriculture and residential reuse) that could also yield water-resource benefits; that choice focuses federal money but narrows the policy reach. Because the credit attaches to depreciable property basis and uses progress-expenditure rules, long-duration projects will need careful timing and accounting to capture the intended credit amounts; disputes over when construction 'begins' or when property is 'placed in service' are likely and will require IRS guidance to avoid inconsistent outcomes.

The transfer rule creates workable paths for third-party financing, but it also creates transactional complexity: binding agreements between transferors and utilities must be precise about ownership, operations, and maintenance while ensuring that only one party claims the credit. That structure may favor larger developers and utilities that can handle sophisticated tax-structuring over smaller local governments.

Finally, because the credit reduces the federal tax base, implementing agencies will have to weigh the environmental benefit per dollar against alternative spending vehicles (grants, direct loans) and coordinate with state-level incentives to avoid overlapping subsidies or unintended market distortions.

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