Layer Estimates:

Layer: WWTP (ID:0)
Count: 9
Extent:

XMin: -76.3256959999704
YMin: 38.9850360001114
XMax: -75.8401890002222
YMax: 39.2966710000666
Spatial Reference: 4326 (4326)

Layer: Marinas (ID:1)
Count: 15
Extent:

XMin: -76.2857220001702
YMin: 38.9735429998096
XMax: -75.9774580000866
YMax: 39.2440200002229
Spatial Reference: 4326 (4326)