Once you have obtained your sample and picked out over 100 bugs (by following the protocols), it's time to identify what you've found. We're looking for 27 types (or orders) of bugs. We have several resources to help you do this.
Here are two handouts which will help you identify what BMIs you have found:
To help you record the number of each type of bug that you find, use these handouts.
Here is a helpful summary on BMI pollution tolerance levels.
Once you have identified your bugs, it's time to determine the health of your water body.