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Table I: Temperature Ranges ( Approximate) Required for Certain Organisms
| Temperature |
Examples of Life |
Greater than 20 degrees C
(warm water) |
Much plant life, bass, crappie, bluegill, carp, catfish, leaches, caddisfly |
Middle range
(12-20 degrees C) |
Some plant life, trout, stonefly, mayfly, caddisfly, water beetle |
Low range
Less than 12 degrees C |
Trout, caddisfly, stonefly, mayfly |
|
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Table II: pH Ranges that Support Aquatic Life
|
Most Acid -- Neutral -- Most Alkaline |
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 |
| Bacteria: |
1 - 12.0 |
| Plants (algae, rooted, etc.): |
6.5 - 12.0 |
| Carp, suckers, catfish, some insects: |
6.0 - 9.0 |
| Bass, crappie: |
6.5 - 8.5 |
| Snails, clams, mussels: |
7.0 - 9.0 |
| Largest variety of animals (trout, mayfly, stonefly, caddisfly): |
6.5 - 7.5 |
|
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Table III: Dissolved Oxygen (DO) and Typical Aquatic Life Found
| D.O. in parts per million (ppm) or Milligrams per liter |
Typical Aquatic Life Found |
Typical Water Temperature |
| 8 ppm and up |
Trout; many caddisfly and mayfly, some stonefly |
Below 20 degrees C |
| 6 ppm |
Bass, crappie, stonefly, midges, mosquitoes |
Above 20 degrees C |
| 4 ppm |
Much algae and plant life, mosquitoes, leaches, midges |
Any |
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