Where We Drill: the Bi-State Metro

St. Louis, MO-IL HDD service area — 8 component counties, principal and satellite cities — The greater St. Louis service area — U.S. Census Bureau county boundaries; cities marked are where crews most often mobilize.

The service area is the OMB-defined St. Louis metro, served through its principal jurisdictions — the independent city, St. Louis, St. Charles, Jefferson, and Franklin counties in Missouri, and Madison, St. Clair, and Monroe counties in Illinois. Jurisdiction pages below carry the local picture: the corridors, the banks, and the authorities whose permits govern crossings.

The City of St. Louis

The independent city: the riverfront, the geospatial corridor, and the brick grid.

St. Louis County

The great quilt: dozens of municipalities from Clayton to the Meramec's karst country.

St. Charles County

The growth bank: the confluence country's boom side between two great rivers.

St. Clair County, Illinois

The Bottom and the bluffs: East St. Louis' flats, Belleville's seat, and Scott's orbit.

All component counties: St. Louis City · St. Louis · St. Charles · Jefferson · Franklin · Madison IL · St. Clair IL · Monroe IL.