1. no turbidity
2. clear water
3. flow velocity: one meter in 13 seconds
4. small rocks on bottom of stream
5. vegetation overhanging the stream
6. width of stream = 10 meters
7. depth of stream = 55 cm
Biological Assessment
1. Macroscopic Producers found --none
2. Macroscopic Consumers
a. crayfish
b. Gambusia, mosquito fish
c. snail - Physa
d. stone roller fish
e. sunfish
f. turtle
g. clams
3. Microscopic Producers
a. blue green algae
b. diatoms
c. filamentous green algae
d. Spirogyra
4. Microscopic Consumers
a. flatworms
b. larvae (midge fly)
c. nematode
d. Paramecium
5. Coliform bacteria - present
Biological Assessment of Water Quality
1. Species Diversity
Total Number of Producers = 4
Total Number of Consumers = 11
Total Number of Species = 15 = Fair Quality
2. Bioindicators
All organisms found indicated clean water except for blue green algae
3. Coliform Bacteria
The presence of coliform bacteria, could indicate the presence of human or animal wastes.
Chemical Analysis
Chemicals present
1) ammonia nitrogen
2) chromium (slight)
3) silica
Chemicals not present
1) chlorine
2) copper
3) cyanide
4) iron
5) nitrate nitrogen
6) phosphate
carbon dioxide level = 6 ppm
dissolved oxygen level = 5.9 ppm
pH level was approximately 9.5
Chemical Assessment of Water Quality
The levels of oxygen, carbon dioxide and pH are good.The presence of excess ammonia nitrogen may indicate high enrichment. Water is somewhat clean, but not safe enough to drink.
Oxygen and carbon dioxide tests on stream water