Virginia v. Maryland, 540 U.S. 56 (2003), was a 2003 decision of the Supreme Court of the United States that settled a centuries long dispute between the Commonwealth of Virginia and the State of Maryland regarding Virginia's riparian rights to the Potomac River.[1] The Court held in a 7–2 decision that Maryland did not have legal authority to regulate or prohibit Virginia and its citizens from building or improving structures on the river or drawing water from it.

Virginia v. Maryland
Argued October 7, 2003
Decided December 9, 2003
Full case nameCommonwealth of Virginia v. State of Maryland
Citations540 U.S. 56 (more)
124 S. Ct. 598; 157 L. Ed. 2d 1226e
Holding
Maryland has no authority to regulate or prohibit Virginia, its political subdivisions, or Virginia's residents from enjoying Virginia's riparian rights in the Potomac River. While Maryland owns the riverbed up to the low water mark of the Virginia shore, both states enjoy equal riparian rights.
Court membership
Chief Justice
William Rehnquist
Associate Justices
John P. Stevens · Sandra Day O'Connor
Antonin Scalia · Anthony Kennedy
David Souter · Clarence Thomas
Ruth Bader Ginsburg · Stephen Breyer
Case opinions
MajorityRehnquist, joined by O'Connor, Scalia, Souter, Thomas, Ginsburg, Breyer
DissentStevens, joined by Kennedy
DissentKennedy, joined by Stevens
Laws applied
Article I, Section 10, Clause 3

Background

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The dispute between Virginia and Maryland over the water rights to the Potomac River dates back to at least the 18th century, and eventually led to the Mount Vernon Conference and the Compact of 1785. The Compact provided that citizens of both states would have navigation and commerce rights to the river, but, significantly, did not settle the boundary between them.[2] Nearly a century of boundary disputes followed, until the two states submitted to binding arbitration in 1877. The "Black-Jenkins" arbitration award granted Maryland ownership of the riverbed, while recognizing Virginia's right to navigate the river, and set its boundary at the low-water mark along the Virginia shore.[3]

Relative peace followed after the Black-Jenkins Award, with Maryland freely granting Virginia entities permits to draw water from the Potomac. However, the conflict flared up again in 1996, when Maryland refused to allow the Fairfax County Water Authority permission to create a new water intake facility, fearing urban sprawl on the Virginia side of the river. That refusal led to Virginia filing this case with the Supreme Court of the United States in 2000.[2][4]

Supreme Court decision

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In a 7–2 decision, the Rehnquist Court ruled in favor of Virginia, with Chief Justice William Rehnquist writing the opinion. The Court decided that Virginia had full riparian rights to draw water from the river and to build and improve structures on it, and Maryland had no authority to regulate Virginia, its political subdivisions, or its citizens from exercising those rights.[5] The decision drew heavily on the Maryland–Virginia Compact of 1785, which had given equal access to the water to both states.[6][7]

Justices John Paul Stevens and Anthony Kennedy supported each others dissents from the majority opinion. The dissenting justices argued that both the Compact of 1785 and the arbitration clearly awarded ownership to Maryland, which carried sovereign regulatory authority.[3]

See also

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References

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  1. Virginia v. Maryland, 540 U.S. 56, 60 (2003).
  2. 1 2 Clemons, Josh. "Supreme Court Rules for Virginia in Potomac Conflict". National Sea Grant Law Center. University of Mississippi School of Law. Retrieved May 16, 2026.
  3. 1 2 Briant, Jared B. (2004). "Virginia v. Maryland, 124 S. Ct. 598 (U.S. 2003)". Water Law Review. 7 (2): 427. Retrieved May 16, 2026.
  4. Miyashita, Alex Meneses (December 9, 2003). "Supreme Court Sides with Virginia in Centuries-Old Dispute Over Potomac". CNS Maryland. Retrieved May 17, 2026.
  5. Virginia v. Maryland, 540 U.S. at 75 ("[W]e conclude that the Black-Jenkins Award gives Virginia sovereign authority, free from regulation by Maryland, to build improvements appurtenant to her shore and to withdraw water from the River, subject to the constraints of federal common law and the Award.").
  6. Virginia v. Maryland, 540 U.S. at 69-72.
  7. Raphael, Stuart A. (2012). "Practical Considerations in Original Action Litigation: Virginia V. Maryland and New Jersey v. Delaware". Wyoming Law Review. 12 (1): 17. Retrieved May 18, 2026.
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