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Ohio Administrative Code (Last Updated: January 12, 2021) |
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3745 Ohio Environmental Protection Agency |
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Chapter3745-7. Water Supply Works and Wastewater Works Personnel |
3745-7-05. Classification of professional operator certification
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(A) The following are classifications for which professional operators may be certified under this chapter:
(1) Public water system professional operator A (class A water supply professional operator).
(2) Public water system professional operator I (class I water supply professional operator).
(3) Public water system professional operator II (class II water supply professional operator).
(4) Public water system professional operator III (class III water supply professional operator).
(5) Public water system professional operator IV (class IV water supply professional operator).
(6) Water distribution professional operator I (class I water distribution professional operator).
(7) Water distribution professional operator II (class II water distribution professional operator).
(8) Treatment works professional operator A (class A wastewater works professional operator).
(9) Treatment works professional operator I (class I wastewater works professional operator).
(10) Treatment works professional operator II (class II wastewater works professional operator).
(11) Treatment works professional operator III (class III wastewater works professional operator).
(12) Treatment works professional operator IV (class IV wastewater works professional operator).
(13) Sewerage system professional operator I (class I wastewater collection professional operator).
(14) Sewerage system professional operator II (class II wastewater collection professional operator).
(B) The certification of any individual to operate a particular class of public water system, sewerage system, or treatment works shall also authorize such individual to be the professional operator of record of any other public water system, sewerage system, or treatment works as indicated in the tables below.
Public water systems: If a professional operator holds a certification of the level below they may be the professional operator of record of those public water systems marked with an "X" below:
Classification of system
Class A/limited class A water supply professional operator
Class I water distribution professional operator
Class II water distribution professional operator
Class I water supply professional operator
Class II water supply professional operator
Class III water supply professional operator
Class IV water supply professional operator
Class A public water system
x
x
x
x
x
Class I water distribution
x
x
x
x
x
x
Class II water distribution
x
x
x
x
Class I public water system
x
x
x
x
Class II public water system
x
x
x
Class III public water system
x
x
Class IV public water system
x
Sewerage systems and treatment works: If a professional operator holds a certification of the level below they may be the professional operator of record of those sewerage systems or treatment works with the classifications marked with an "X" below:
Classification of facility
Class A/limited class A wastewate works professional operator
Class I wastewater collection professional operator
Class II wastewater collection professional operator
Class I wastewater works professional operator
Class II wastewater works professional operator
Class III wastewate works professional operator
Class IV r wastewater works professional operator
Class A treatment works
x
x
x
x
x
Class I sewerage system
x
x
x
x
x
x
Class II sewerage system
x
x
x
x
Class I treatment works
x
x
x
x
Class II treatment works
x
x
x
Class III treatment works
x
x
Class IV treatment works
x
(C) A limited class A professional operator holds a facility-specific certificate and may not operate any other facilities or transfer the certificate to a different facility.
(D) The following charts demonstrate the hierarchy of water and wastewater certificates. The highest level of certification is at the top of the chart and certificates supersede any of the certificates below them in the chart. Once a professional operator achieves a level of certification that supersedes the certificate that is currently held, the lowest level of certificate will be invalid.
Drinking Water Certificate Hierarchy Table
Class IV water supply
Class III water supply
Class II water supply
Class I water supply
Class II water distribution
Class A water supply
Class I water distribution
Class I water distribution
Limited class A water supply
Wastewater Certificate Hierarchy Table
Class IV wastewater treatment
Class III wastewater treatment
Class II wastewater treatment
Class I wastewater treatment
Class II wastewater collection
Class A wastewater treatment
Class I wastewater collection
Class I wastewater collection
Limited class A wastewater treatment