OHA Drinking Water Services
OR41
PWS ID: 01542 ---- LAKE OSWEGO - TIGARD WATER SUPPLY

Operator Requirements
Treatment Level 4
  • Oregon Administrative Rule:
    333-061-0235 OPERATOR REQUIREMENTS LEVELS 1-4
  • Requirements:
    Currently a Level 3 operator AND one of below: HS/GED, 2 yrs relevant post-high school, and 6 yrs experience with 3 yrs of ODM;
    OR
    HS/GED, 3 yrs relevant post-high school, and 5 yrs experience with 2.5 yrs of ODM;
    OR
    HS/GED, 4 yrs relevant post-high school, and 4 yrs experience with 2 yrs of ODM
Name Distribution
Level		 Treatment
Level		 Filtration
Endorsement		 Small Water
Certification		 BAT
Certification		 CCS
Certification		 Expiration
Dates		 Sort DRC
Robert J. Blezinski D2-2026 T4-2026 FE-2026 12/31/2026 (D/T) 0
Ryan A. Hepler D4-08112 T4-7211 FE-0081 CCS-007211 12/31/2026 (D/T)
12/31/2026 (CCS)		 0
Phil J. Bonsi T4-08176 FE-008176 12/31/2026 (T) 0
Cole E. Trusty D2-09107 T4-09106 FE-0130 12/31/2025 (D/T) 0
Adam M. Brensen T4-889652 12/31/2026 (T) 0
Timothy P Reese T4-625236 FE-625236 12/31/2025 (T) 0
Jason L. Hoye D2-271471 T2-271471 FE-271471 12/31/2026 (D/T) 0
Chris E. Warren D1-152023 T4-152023 CCS-152023 12/31/2025 (D/T)
12/31/2025 (CCS)		 0
Dave Trotter D4-58778 T4-058778, DRC 12/31/2025 (D/T) 1
Roxanne J. Edgar T2-262586 12/31/2026 (T) 0


Abbreviations:  BAT = Backflow Assembly Tester, CCS = Cross Connection Specialist, D = Distribution, DRC = Direct Responsible Charge, OIT = Operator in Training, SWS = Small Water System, T = Treatment



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