Ohio Admin. Code 3745-7-05 - [Effective until 7/3/2025] Classification of professional operator certification

(A) The following are classifications for which professional operators may be certified under this chapter:
(1) Public water system professional operator A (class Class A water supply professional operator).
(2) Public water system professional operator I (class Class I water supply professional operator).
(3) Public water system professional operator II (class Class II water supply professional operator).
(4) Public water system professional operator III (class Class III water supply professional operator).
(5) Public water system professional operator IV (class Class IV water supply professional operator).
(6) Water distribution professional operator I (class Class I water distribution professional operator).
(7) Water distribution professional operator II (class Class II water distribution professional operator).
(8) Treatment works professional operator A (class Class A wastewater works water reclamation professional operator).
(9) Treatment works professional operator I (class Class I wastewater works water reclamation professional operator).
(10) Treatment works professional operator II (class Class II wastewater works water reclamation professional operator).
(11) Treatment works professional operator III (class Class III wastewater works water reclamation professional operator).
(12) Treatment works professional operator IV (class Class IV wastewater works water reclamation professional operator).
(13) Sewerage system professional operator I (class Class I wastewater collection professional operator).
(14) Sewerage system professional operator II (class Class II wastewater collection professional operator).
(15) Class I facility specific water supply operator.
(16) Class II facility specific water supply operator.
(17) Class III facility specific water supply operator.
(18) Class I facility specific water reclamation operator.
(19) Class II facility specific water reclamation operator.
(20) Class III facility specific water reclamation operator.
(B) A class I, II, or III facility specific operator may not operate any other facilities or transfer the certificate to a different facility.
(B)(C) 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 following tables.

Public water systems: If a professional operator holds a certification of the level in the following chart they may be the professional operator of record of those public water systems marked with an "X":

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 as follows, they may be the professional operator of record of those sewerage systems or treatment works with the classifications marked with an "X":

Classification of facility

Class A/limited class A wastewater works water reclamation professional operator

Class I wastewater collection professional operator

Class II wastewater collection professional operator

Class I wastewater works water reclamation professional operator

Class II wastewater works water reclamation professional operator

Class III wastewater works water reclamation profession operator

Class IV wastewater works water reclamation 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)(D) 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)(E) 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 listed 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

* Once a professional operator has earned a class II water supply certificate, the professional operator will not be able to hold additional water or distribution certificates below a class II level.

Wastewater Certificate Hierarchy Table

Class IV wastewater treatment water reclamation

Class III wastewater treatment water reclamation

* Class II wastewater treatment water reclamation

Class I wastewater treatment water reclamation

Class II wastewater collection

Class A wastewater treatment water reclamation

Class I wastewater collection

Class I wastewater collection

Limited class A wastewater treatment water reclamation

* Once a professional operator has earned a class II water reclamation certificate, the professional operator will not be able to hold additional water reclamation or wastewater collection certificates below a class II level.

(F) A facility specific certificate does not supersede any professional operator certificate.

Notes

Ohio Admin. Code 3745-7-05
Effective: 11/7/2024
Five Year Review (FYR) Dates: 8/14/2024 and 11/07/2029
Promulgated Under: 119.03
Statutory Authority: 119.03, 6111.46
Rule Amplifies: 6111.46, 6109.04
Prior Effective Dates: 02/01/1964, 04/17/1986, 01/01/1999, 02/12/2001, 12/21/2006, 02/23/2012, 08/15/2018

State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.