King William County, VA Water Table Trend
King William County, VA: what the water table is actually doing
Over 54 years of USGS readings, the well tracking King William County's aquifer is declining faster than most declining counties: 12.5 ft per decade.
One well stands in for King William County's whole aquifer here, the honest simplification every page on this site carries.
What the well actually measured
The most recent reading put water 238.9 ft below land surface. Readings span 1972-12-08 to 2026-09-02, 148 measurements from USGS well USGS-373459076510201 (56j 10), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where King William County ranks
Of the 1,449 US counties with a usable trend, King William County ranks 1413th from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 19,232 people live in King William County, Virginia. See the fastest-moving counties guide for how King William County stacks up against the most extreme cases nationally.
What a declining table means for a well pump
Because King William County's water table is actually declining, not just a general worry, a well owner here should consider comparing home-warranty plans that cover well-pump failure before one happens.
A dropping table says nothing about water quality
Whether King William County's water table is rising or falling is independent of what's actually in the water. Depletion can concentrate naturally-occurring minerals, so it's worth checking directly with a water test rather than assuming a depth trend says anything about quality.