Is dredging silt out of a nonprofit country club's irrigation reservoir a nontaxable maintenance activity, or a taxable repair to real property?

Plain-English summary

A nonprofit country club hired a dredging company to remove silt and sediment from its water reservoir, which is part of the club's irrigation system. The club believed this was nontaxable "maintenance" rather than a taxable repair.

The Comptroller disagreed, with a rule that turns on whether the reservoir is manmade. If it is, dredging it counts as repairing, remodeling, or restoring a nonresidential improvement to realty — a taxable service under Tax Code §§ 151.0047 and 151.0101(a)(13). Being a nonprofit organization doesn't change this analysis; the exemption question here turns on the nature of the property and the service, not the tax-exempt status of the organization requesting it.

The letter adds an important extension: even if a waterway started out as a naturally occurring formation — say, a natural lake that was dredged at some point to serve as a reservoir — once that improvement happens, the law treats the water body as a man-made structure going forward. Any future labor to repair, remodel, or restore it (including further dredging) is taxable on the same basis, even though the underlying geological feature began as natural.

What this means for you

Country clubs, HOAs, and nonprofit property owners with man-made water features

Don't assume "maintenance" language in a contract, or your organization's nonprofit status, exempts dredging or similar repair work from sales tax — what matters is whether the water body is a man-made improvement to realty, which most irrigation reservoirs, retention ponds, and constructed water features are.

Dredging and marine construction contractors

Charges for dredging channels, rivers, ponds, boat slips, and similar waterways are generally taxable repair/remodeling/restoration services when the water body is (or has become, through past improvement) a man-made structure — build this into your billing and tax collection practices.

Accountants and tax professionals

The "once improved, always man-made" rule is the key nuance here — a naturally occurring lake or waterway loses its "natural formation" status for tax purposes the moment it's first improved, so don't assume a waterway's natural origin protects later repair work from taxation.

Common questions

Q: Is dredging a reservoir considered nontaxable maintenance?
A: No — if the reservoir is a manmade improvement to realty, dredging it is a taxable repair, remodel, or restoration service.

Q: Does a nonprofit organization's tax-exempt status make dredging services exempt?
A: No. This letter addresses the nature of the property and service, not the requesting organization's tax status — nonprofit status alone doesn't exempt the dredging charge.

Q: What if the water body started out as a natural lake?
A: Once a naturally occurring formation is improved (e.g., dredged to serve as a reservoir), it's treated as a man-made structure going forward, and future repair/remodel/restoration labor on it is taxable.

Q: Can any country club or nonprofit rely on this exact answer?
A: Not directly. This is a Texas STAR letter ruling binding on the Comptroller only for the taxpayer it addresses (34 Tex. Admin. Code Rules 3.1, 3.10); confirm whether your own water feature is manmade or improved-natural with a tax professional.

Citations and references

Statutes:

• Tex. Tax Code § 151.0047 (real property repair and remodeling)
• Tex. Tax Code § 151.0101(a)(13) (taxable real property repair/remodeling/restoration services)

Source

• STAR search: https://star.comptroller.texas.gov/search?doc_type_code=L&tax_type_code=SST
• Opinion: https://star.comptroller.texas.gov/view/200010827L

Original ruling text

October 18, 2000

Dear **:

Thank you for your recent letter regarding your client and Texas sales tax.

You stated that your client, a nonprofit country club contracted with a
dredging company to dredge silt and sediment from their water reservoir, which
is part of their irrigation system. You asked if the dredging service is
subject to Texas sales tax. You feel that it is maintenance and the charge
should not be subject to Texas sales tax.

If the country club's reservoir is manmade, then it is a nonresidential
improvement to realty. A charge to repair, remodel or restore a nonresidential
improvement to realty is subject to Texas sales tax. When a naturally
occurring formation is "improved," (e.g., dredging a natural lake to use as a
reservoir), it is thereafter considered a man-made structure and any labor to
repair, remodel or restore it will be taxable (see Texas Tax Code Sections
151.0047 or 151.0101(a)(13)).

This opinion is based on the facts presented. Additional or different facts
may yield different results.

You may call me toll free 1-800-531-5441, extension 5-9787, if you have any
questions or need more information. The direct line is 512/305-9787. You may
also write to Tax Policy Division, Comptroller of Public Accounts.

Sincerely,

Philip Knisely
Tax Policy Division