North Sandy Pond

Click map to enlarge. Watershed boundary in red.

 

Watershed Characteristics

	km2	Acres
Watershed area (including bay)	219.5	54,238
Watershed area (excluding bay)	209.8	51,834
Area of bay	9.73	2,403

 

Maps and Data

• Bathymetric map. Deepest point: 5.18m (17 feet); when lake level is 74.67 meters based on the IGLD-1985 datum.
• Hypsographic curve and data.
• Landcover.
• Stream network. Total stream length: 314.12 km (195.2 miles).
• Road network. Total length of roads: 239.6 km (148.9 miles).
• Digital elevation model. Lowest elevation: 75 m. Highest elevation: 435 m.
• Shaded relief map.
• Field sampling locations.
• Stream sampling locations, subwatershed delineation, and landcover.

 

Drainage Basin Characterization

DRAINAGE DENSITY	0.25 km/km2
MEAN DAILY DISCHARGE	5.551 m3/sec

Little Sandy Creek (north)

STREAM MOUTH X-COORDINATE	405729.65
STREAM MOUTH Y-COORDINATE	4832253.94
STREAM SOURCE X-COORDINATE	426960.72
STREAM SOURCE Y-COORDINATE	4837842.44
STREAM SOURCE ELEVATION	417 m
STREAM MOUTH ELEVATION	75 m
STREAM GRADIENT	12.20 m/km
MAIN CHANNEL LENGTH	28.04 km
MAIN CHANNEL SLOPE	13.69 m/km

Blind Creek (central)

STREAM MOUTH X-COORDINATE	407006.29
STREAM MOUTH Y-COORDINATE	4833912.21
STREAM SOURCE X-COORDINATE	412845.85
STREAM SOURCE Y-COORDINATE	4834114.59
STREAM SOURCE ELEVATION	154 m
STREAM MOUTH ELEVATION	75 m
STREAM GRADIENT	12.29 m/km
MAIN CHANNEL LENGTH	6.43 km
MAIN CHANNEL SLOPE	12.65 m/km

Skinner Creek (south)

STREAM MOUTH X-COORDINATE	405096.38
STREAM MOUTH Y-COORDINATE	4835694.52
STREAM SOURCE X-COORDINATE	421267.70
STREAM SOURCE Y-COORDINATE	4839690.03
STREAM SOURCE ELEVATION	331 m
STREAM MOUTH ELEVATION	75 m
STREAM GRADIENT	11.87 m/km
MAIN CHANNEL LENGTH	21.56 km
MAIN CHANNEL SLOPE	10.82 m/km

 

Data Sources

Watersheds and bays delineated using ArcHydro.
Landcover taken from 30m resolution EPA MRLC raster data. Area values will not coincide exactly with vector based watershed area values.
Total length of streams and roads in the watershed from 1999 Census TIGER line data (metadata).
Elevation calculated from USGS 10m digital elevation model (DEM).

*all data updated 08/05