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 D2-08112 T4-7211 FE-0081 CCS-007211 12/31/2026 (D/T)
12/31/2024 (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 12/31/2024 (T) 0
Timothy P Reese T4-625236 FE-625236 12/31/2025 (T) 0
Jason L. Hoye D1-271471 T2-271471 FE-271471 12/31/2024 (D/T) 0
Chris E. Warren D1-152023 T2-152023 12/31/2025 (D/T) 0
Dave Trotter D3-58778 T4-058778, DRC 12/31/2025 (D/T) 1
Roxanne J. Edgar T1-262586 12/31/2026 (T) 0
Nicholas R. Lujan T1-13633 12/31/2025 (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




More information for this water system: SDWIS ID 5510
System Info  ::  Report for Lenders  ::  Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Contacts & Advisories  ::  Site Visits  ::  Public Notice
Coliform Summary  ::  Coliform Results  ::  Coliform Schedules  ::  LT2  ::  GW/GWUDI Source Details  ::  Plan Review  ::  Annual Fee
Chemical Summary  ::  Chemical Results  ::  Chemical Schedules  ::  Chemical Schedule Summary  ::  Arsenic RAA  ::  Cyanotoxins  ::  PFAS
Lead & Copper  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA  ::  DW Source Protection
New! Visit our new Drinking Water Source Protection page.

Information for all water systems:
Water System Inventory  ::  Water System Surveys  ::  Outstanding Performers  ::  Treatment Plant Inspections  ::  Treatment  ::  Plan Reviews
Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Deficiencies  ::  System Scores  ::  Exceedances  ::  Public Notices  ::  Service Lines
Water Advisories  ::  Contact Reports  ::  Cyanotoxins  ::  PFAS  ::  Post-wildfire VOCs  ::  Fluoride  ::  Certification List  ::  DW Source Protection

Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules

Need help? Email Drinking Water Services for assistance.Staff/Partner Login