Why the Dulles South Denial Is About Infrastructure, Not NIMBYism

In the wake of the Prince William Board of County Supervisors’ historic denial of the 1,930-acre Dulles South data center initiation—and QTS’s subsequent withdrawal of the final Digital Gateway court appeal—proponents of industrial and suburban sprawl have scrambled to rewrite the narrative. One pro-developer representative dismissively claimed that the hundreds of community members who mobilized to oppose the project were simply “against all development.”

This is a calculated, and overused tactic. By framing our defense as reflexively "anti-development," the real estate lobby attempts to reduce a sophisticated ecological and logistical defense into an irrational "NIMBY" zoning dispute. Let me set the record straight: We are not anti-development. We are pro-water.

The 250 properties making up the Sanders Lane corridor are not “open land,” surplus acreage, or an empty canvas waiting to be optimized for corporate and developer wealth generation. They are part of the former Rural Crescent’s irreplaceable source-water protection system. This land is active, working natural infrastructure: the primary filter and recharge zone for the fragile, fractured-rock aquifers of the Culpeper Basin that help sustain our streams, wells, and ultimately our drinking water supply.

Our local rivers, streams, and tributaries do not survive on rainfall alone; during dry summer months, they depend on groundwater for base flow. The open fields, forests, and soils of the former Rural Crescent act as a sponge, absorbing rain where it falls, filtering it slowly, and feeding the subterranean network that keeps the watershed alive. More densely developing these open areas would do the opposite: it would seal the recharge zone under roofs, roads, concrete pads, substations, and parking lots, cutting off the natural filtration system that protects and filters the water we drink. Paving this corridor destroys a functioning utility buffer just as surely as cutting a major public water pipe.

This is not an abstract environmental concern; it is a direct threat to drinking water. This acreage is essential source-water infrastructure for the Occoquan Reservoir, which supplies clean drinking water to nearly one million Northern Virginians. Replacing a permeable natural shield with heavy industry or densely packed housing turns the landscape into a stormwater funnel. Heavy rains on sun-baked roofs, roads, and parking lots generate high-velocity runoff, triggering inland flooding, downstream erosion, and severe thermal pollution. That runoff carries sediment, heat, oils, metals, nutrients, and other contaminants toward the regional drinking water supply, forcing downstream public water treatment plants to work harder and spend more—costs passed straight to taxpayers and utility rate-payers. Once source water is degraded, it is far more expensive to treat, and far harder to restore.

To be pro-water is to demand that true economic development respect the physical limits of the land and the public’s dependence on clean drinking water. Growth belongs where infrastructure already exists to support it—within established development areas and the Data Center Overlay District, where high-capacity water lines, roads, and utilities were planned to absorb intensive demand. Forcing massive industrial complexes or dense suburban buildout into the former Rural Crescent is not responsible development; it is the sacrifice of our county’s environmental safety net and drinking-water buffer for short-term fiscal gain.

The developers targeted our community to exploit a dangerous regulatory vacuum. Because Prince William County was excluded from the DEQ's Item 366 groundwater evaluation, we have no state-enforced pumping caps. Proponents saw this loophole as an open invitation to treat our shared aquifers as a free corporate commodity—whether by drilling industrial wells that risked drying out the wells of 16,000 private users or demanding a multi-million-dollar public infrastructure bailout to pipeline water into a rural zone.

The Board of County Supervisors did the right thing by holding the line and denying the Dulles South initiation. Moving forward, the county must continue to fly by the light of independent science, allowing the data from the ongoing U.S. Geological Survey (USGS) water study and future monitoring well verification to guide our land-use policies.

Our water supply is a shared public trust, not a blank slate for private wealth. The defense of Sanders Lane was never about stopping progress—it was about protecting the source water for our region. If we allow the remaining open areas of the former Rural Crescent to be densely developed, we will be choosing more pavement, more runoff, and more risk over the natural systems that safeguard the water coming out of our taps. We must protect it.