|
Date: April 25, 2002
Time: 1:00-3:00 PM
Visual
Assessment
Weather in the past 24 hours: Showers, Overcast
Weather Today: Clear/Sunny
Major Land Uses in the watershed: Parking lots, paved driveways,
roads; Rural homes with septic systems; Cropland; Active grazing
land &/or feedlots
Trash at the Creek: No trash
Animals at the Creek: Frogs, Spiders
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 (0), Bare soil or sand (5), Grasses (2),
Woody shrubs/small trees (1.5), Big trees (2), Lawn (0)
Right Bank: Concrete (0), Big rocks/rip rap (0), Bare soil
or sand (2), Grasses (4), Woody shrubs/small trees (1), Big trees
(1), Lawn (0)
Stream Bank Conditions:
Left Bank: Steeply Sloping
Right Bank: Steeply
Sloping
Habitat Types: N/A
Shape of the Channel: Wide Banks (>6 feet), Shallow Water
(<3 feet), Deep Banks (>3 feet)
What's in the water?:
Naturally Occurring: Large branches or logs; Sticks or twigs
Human Impact: None
Is the creek in the sunshine or shade?: Shade
What type of algae are present?:
Algae Present: No Algae
Type of Algae: None
Conditions in your stream: Muddy water
Embeddedness (How much silt is around the rocks, 1 is the least,
4 is the greatest): 4
Content of the Stream Bed (1 is the least, 5 is the greatest):
Mud (3), Silt (1), Sand (2), Gravel (4), Cobbles (1), Boulders
(0), Bedrock (0), Cement platform (0)
Chemical
Assessment
Temperature:
18
C
Dissolved Oxygen: 4 ppm
Percent Oxygen Saturation: 42%
Nitrate: 0 ppm
Phosphate: 1 ppm
pH: 8
Turbidity: 40 JTU
Total Coliforms: positive
Biological Oxygen Demand: N/A
Stream Flow: 0.096 m/s (wind was blowing in opposite direction
of water flow)
Macroinvertebrate
Assessment
Sensitive
Species: Mayfly
Nymphs, Gilled Snails, Stonefly Nymphs
Somewhat Sensitive Species: Clams, Crayfish, Dragonfly Nymphs
Tolerant Species: Aquatic Worms, Pouch Snails, etc...
How
many times did your group sample with the kick net?: 4
Water
Quality Determination (as calculated from number of species present):
17
Scale: Excellent (>22), Good (17-22), Fair (11-16), Poor (<11)
|
|