Rule 3745-7-05 | Classification of professional operator certification.

• Effective: November 7, 2024
• Promulgated Under: 119.03

(A) The following are classifications for which professional operators may be certified under this chapter:

(1) Class A water supply professional operator.

(2) Class I water supply professional operator.

(3) Class II water supply professional operator.

(4) Class III water supply professional operator.

(5) Class IV water supply professional operator.

(6) Class I water distribution professional operator.

(7) Class II water distribution professional operator.

(8) Class A water reclamation professional operator.

(9) Class I water reclamation professional operator.

(10) Class II water reclamation professional operator.

(11) Class III water reclamation professional operator.

(12) Class IV water reclamation professional operator.

(13) Class I wastewater collection professional operator.

(14) 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.

(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.

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

Classification of facility	Class A/ limited class A water reclamation professional operator	Class I wastewater collection professional operator	Class II wastewater collection professional operator	Class I water reclamation professional operator	Class II water reclamation professional operator	Class III water reclamation professional operator	Class IV 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

(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.

(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.

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.

Class IV water reclamation
Class III water reclamation
*Class II water reclamation
Class I water reclamation		Class II wastewater collection
Class A water reclamation	Class I wastewater collection		Class I wastewater collection
Limited class A 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.

Last updated November 7, 2024 at 8:31 AM

Supplemental Information

Authorized By: 119.03, 6111.46
Amplifies: 6111.46, 6109.04
Five Year Review Date: 11/7/2029
Prior Effective Dates: 2/1/1964, 4/17/1986, 1/1/1999, 2/12/2001, 12/21/2006, 2/23/2012, 8/15/2018