|
Date: October 3, 2002
Time: 2:15 PM
HUC8: 10270205
Visual
Assessment
Weather in the past 24 hours: Showers (intermittent rain)
Weather Today: Overcast
Major Land Uses in the watershed: Cropland; Active grazing
land &/or feedlots
Trash at the Creek: Broken glass, cans; Other: Metal &
Irrigation Pipe
Animals at the Creek: Frogs
Animals in the Creek: Fish, Water Striders
Stream Bank
Cover (1 is the least, 8 is the greatest):
Left Bank: Concrete
(0), Big rocks/rip rap (2), Bare soil or sand (6), Grasses (5),
Woody shrubs/small trees (5), Big trees (2), Lawn (0); Other: Fallen
Leaves (8)
Right Bank: Concrete (0), Big rocks/rip rap (0), Bare soil
or sand (1), Grasses (7), Woody shrubs/small trees (2), Big trees
(4), Lawn (0); Other: Fallen Leaves (8)
Stream Bank Conditions:
Left Bank: Undercut
Right Bank:
Steeply Sloping
Habitat Types: Pools
Shape of the Channel: Wide Banks (>6 feet), Shallow Water
(<3 feet), Deep Banks (>3 feet)
What's in the water?:
Naturally Occurring: N/A
Human Impact: N/A
Is the creek in the sunshine or shade?: Shade
What type of algae are present?:
Algae Present: N/A
Type of Algae: Algae matted on rocks
Conditions in your stream: Yellow-brown to dark brown water;
No unusual color
Embeddedness (How much silt is around the rocks, 1 is the least,
4 is the greatest): 2
Content of the Stream Bed (1 is the least, 5 is the greatest):
Mud (1), Silt (0), Sand (1), Gravel (1), Cobbles (4), Boulders
(0), Bedrock (0), Cement platform (0)
Chemical
Assessment
Temperature:
14
C
Dissolved Oxygen: 4 ppm
Percent Oxygen Saturation: 39%
Nitrate: 0 ppm
Phosphate: 2 ppm
pH: 8
Turbidity: 40 JTU
Total Coliforms: N/A
Biological Oxygen Demand: 4 ppm
Stream Flow: N/A
Macroinvertebrate
Assessment
Sensitive
Species: Mayfly
Nymphs, Riffle Beetle Adults (~25)
Somewhat Sensitive Species: Crayfish (2), Damselfly Nymphs,
Dragonfly Nymphs (2)
Tolerant Species: None
How
many times did your group sample with the kick net?: 2
Water
Quality Determination (as calculated from number of species present):
12
Scale: Excellent (>22), Good (17-22), Fair (11-16), Poor (<11)
|
|