|
Date: April 22, 2002
Time: 1:00-3:00 PM
Visual
Assessment
Weather in the past 24 hours: Overcast
Weather Today: Clear/Sunny
Major Land Uses in the watershed: Parking lots, paved driveways,
roads; Golf courses, manicured lawns, or city parks; Rural homes
with septic systems; Cropland; Other: Northern Hills Jr. High 1/4
mile west.
Trash at the Creek: Old tires; Broken glass, cans; Paper
Animals at the Creek: Frogs, Raccoons, Deer, Snakes
Animals in the Creek: Fish, Water Striders, Whirly Gig Beetles,
Water Boatmen or Back Swimmers, Water Snakes, Crayfish
Stream Bank
Cover (1 is the least, 8 is the greatest):
Left Bank: Concrete
(0), Big rocks/rip rap (7), Bare soil or sand (4), Grasses (5),
Woody shrubs/small trees (5), Big trees (6), Lawn (0)
Right Bank: Concrete (0), Big rocks/rip rap (7), Bare soil
or sand (4), Grasses (5), Woody shrubs/small trees (6), Big trees
(6), Lawn (1)
Stream Bank Conditions:
Left Bank: Steeply Sloping
Right Bank: N/A
Habitat Types: N/A
Shape of the Channel: Wide Banks (>6 feet), Shallow Water
(<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?: N/A
What type of algae are present?:
Algae Present: Algae in spots
Type of Algae: Brown coat of algae on rocks
Conditions in your stream: Muddy water; Foam
Embeddedness (How much silt is around the rocks, 1 is the least,
4 is the greatest): 3
Content of the Stream Bed (1 is the least, 5 is the greatest):
Mud (4), Silt (0), Sand (1), Gravel (2), Cobbles (3), Boulders
(2), Bedrock (4), Cement platform (1)
Chemical
Assessment
Temperature:
16
C
Dissolved Oxygen: 6ppm
Percent Oxygen Saturation: 61%
Nitrate: <5 ppm
Phosphate: 2 ppm
pH: 9
Turbidity: 40 JTU
Total Coliforms: Positive
Biological Oxygen Demand: 3 ppm
Stream Flow: 1.6 m/s
Macroinvertebrate
Assessment
Sensitive
Species: Hellgrammite
(1), Mayfly Nymphs (several)
Somewhat Sensitive Species: Beetle Larvae (6), Crayfish (12-15),
Dragonfly Nymphs (12), Sowbug (2)
Tolerant Species: Leeches, Pouch Snails
How
many times did your group sample with the kick net?: N/A
Water
Quality Determination (as calculated from number of species present):
16
Scale: Excellent (>22), Good (17-22), Fair (11-16), Poor (<11)
|