Certification Level | Minimum Education Requirement (see Table 7 for equivalents) | Minimum Experience Requirement |
WTPO 1 | 12 years | 12 months operating experience in a water treatment plant. |
WTPO 2 | 12 years | • | 18 months operating experience in a water treatment plant; and |
| | • | 18 months additional water-related experience. |
| | • | Relevant excess education may substitute for additional water-related experience requirement. |
WTPO 3 | 14 years | • | 24 months operating experience in a Class 2 or higher rated water treatment plant; and |
| | • | 24 months additional water-related experience. |
| | • | Relevant excess education may substitute for additional water-related experience requirement. |
WTPO 4 | 16 years | • | 24 months operating experience in a Class 3 or higher rated water treatment plant; and |
| | • | 24 months additional water-related experience. |
| | • | Relevant excess education may substitute for additional water-related experience requirement. |
(2) Minimum education and operating experience requirements for WDS and WDM certification levels are in Table 6.
Table 6
WDS and WDM Minimum Education and Experience Requirements
Certification Level | Minimum Education Requirement (see Table 7 for equivalents) | Minimum Experience Requirement |
WDS | 12 years | 6 months operating experience in a water treatment plant or distribution system. |
WDM 1 | 12 years | 12 months operating experience in a water treatment plant or distribution system. |
WDM 2 | 12 years | • | 12 months operating experience in a water treatment plant or distribution system; and |
| | • | 24 months additional water-related experience. |
| | • | Relevant excess education may substitute for additional water-related experience requirement. |
WDM 3 | 14 years | • | 12 months operating experience in a water treatment plant or distribution system; and |
| | • | 36 months additional water-related experience. |
| | • | Relevant excess education may substitute for additional water-related experience requirement. |
WDM 4 | 16 years | • | 12 months operating experience in a water treatment plant or distribution system; and |
| | • | 36 months additional water-related experience. |
| | • | Relevant excess education may substitute for additional water-related experience requirement. |
(3) OIT requirements. Applicants for a WTPO or WDM OIT certification must meet the following requirements:
(a) Level 1 must meet the minimum education identified in Table 5 or 6 and either:
(i) Three months operating experience in a distribution system or in a water treatment plant;
(ii) Three months water-related experience; or
(iii) Three relevant college credits or thirty hours (three CEUs) of relevant training.
(b) Levels 2 through 4 must meet the minimum education and water-related experience requirements identified in Table 5 or 6 for the applicable certification level, excluding the operating experience requirements.
(4) The minimum education and operating experience requirements for a CCS are:
(a) Twelve years of education (refer to Table 7 for equivalent education requirements); and
(b) At least six months water-related experience.
(5) A BAT shall have at least twelve years of education (refer to Table 7 for equivalent education requirements).
Table 7
Minimum Education Requirements and Equivalent Education and Substitutions
Minimum Education Requirement | Equivalent Education and Substitutions |
12 years of education | • | High school diploma or GED; |
| • | One year of water-related experience may substitute for each year of education through twelfth grade. |
14 years of education | • | High school diploma or GED, and one of the following: |
| | • | A two-year college degree; |
| | • | 60 college semester credits; |
| | • | 90 college quarter credits; or |
| | • | 90 CEUs from relevant water system training. |
| • | One year of operating experience or water-related experience may substitute for each year of education through twelfth grade. |
| • | Two years of operating experience or water-related experience may substitute for each year of college education. |
16 years of education | • | High school diploma or GED, and one of the following: |
| | • | A four-year college degree; |
| | • | 120 college semester credits; |
| | • | 180 college quarter credits; or |
| | • | 180 CEUs from relevant water system training. |
| • | One year of operating experience or water-related experience may substitute for each year of education through twelfth grade. |
| • | Two years of operating experience or water-related experience may substitute for each year of college education. |
(6) Water-related experience used to substitute for the minimum education requirements must exceed the minimum experience requirements for certification in Tables 5 and 6 before the experience is used as an equivalent education substitution in Table 7.
(7) The department may approve an applicant's relevant excess education or water-related experience that meets the requirements in Tables 5, 6, and 7.
[Statutory Authority: RCW
70.119.050. WSR 17-23-119, § 246-292-060, filed 11/17/17, effective 12/18/17. Statutory Authority: RCW
70.119.050 and chapter
70.119 RCW. WSR 14-01-003, § 246-292-060, filed 12/4/13, effective 1/4/14. Statutory Authority: Chapter
70.119 RCW and Safe Drinking Water Act, Public Law 104-182; 64 F.R. 5916 - 5921. WSR 01-02-070, § 246-292-060, filed 12/29/00, effective 1/29/01. Statutory Authority: Chapter
70.119 RCW. WSR 94-04-004, § 246-292-060, filed 1/20/94, effective 2/20/94. Statutory Authority: RCW
43.70.040. WSR 91-02-049 (Order 121), recodified as § 246-292-060, filed 12/27/90, effective 1/31/91. Statutory Authority: RCW
70.119.050. WSR 78-10-053 (Order 1343), § 248-55-070, filed 9/22/78.]