Home Study Correspondence Courses
For Water Operator Certification
***All New Students must take a DOH approved Laboratory course BEFORE taking the course final exam.
Purchase Price and Instructions
| Plant Type |
Required Minimum Operator Grade |
Required Minimum Assistant Operator Grade |
| Water treatment plant with facilities for filtration* which treats 2.5 MGD# or less |
IIA |
IIA |
| Water treatment plant without facilities for filtration* which treats 2.5 MGD# or less and serves more than 1,000 people |
IIB |
C |
| Water treatment plant that serves 1,000 people or less |
C |
None Required |
| Distribution system serving 1,000 people or more |
D |
None Required |
Note: * filtration means a treatment process which includes slow sand filtration, gravity rapid sand, anthracite coal filtration, pressure filtration, diatomaceous earth filtration, or other processes determined to acceptable treatment under Subpart 5-1.
# MGD = million gallons per day.
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