Layer Estimates:

Layer: Water quality and land cover (ID:0)
Count: 30
Extent:

XMin: -8527429.21713529
YMin: 4697006.75157261
XMax: -8514104.27408733
YMax: 4718095.4652049
Spatial Reference: 102100 (3857)

Layer: Station basins (ID:35)
Count: 30
Extent:

XMin: -8535869.96489398
YMin: 4695172.01570243
XMax: -8513193.96313794
YMax: 4729111.14324928
Spatial Reference: 102100 (3857)

Layer: River reaches (ID:2)
Count: 728
Extent:

XMin: -8534776.930138
YMin: 4695195.36422146
XMax: -8511545.68761305
YMax: 4728504.38762486
Spatial Reference: 102100 (3857)