Skip to main content

Table 1 Visual verification of well locations

From: Population allocation at the housing unit level: estimates around underground natural gas storage wells in PA, OH, NY, WV, MI, and CA

State Active UGS facilities // wells Wells visually verifieda Visually unidentified wellsa Median (SD) visual offset distance (ft.)
CA 12 // 346 17 5 10.9 (7.4)
MI 39 // 2394 119 4 10.9 (8.2)
NY 26 // 972 48 4 52.3 (174.8)
OH 21 // 3318 166 26 55.5 (117.3)
PA 46 // 1332 67 11 62.7 (126.5)
WV 25 // 1472 73 30 82.8 (131.3)
  1. aVerified and unidentified wells combined equal 5% random sample of active UGS wells per state