OHA Drinking Water Services
OR41
PWS ID: 00823 ---- SILVERTON, CITY OF

Required Operators
Distribution Level 2
  • Oregon Administrative Rule:
    333-061-0235 OPERATOR REQUIREMENTS LEVELS 1-4
  • Requirements:
    HS/GED and 3 years experience,
    OR
    HS/GED and 1 year relevant post-high school education and 2 years experience
Treatment Level 3
  • Oregon Administrative Rule:
    333-061-0235 OPERATOR REQUIREMENTS LEVELS 1-4
  • Requirements:
    HS/GED, 1 yr relevant post-high school, and 5 yrs experience, with 2.5 yrs of ODM;
    OR
    HS/GED, 2 yrs relevant post-high school, and 4 yrs experience with 2 yrs of ODM;
    OR
    HS/GED, 3 yrs relevant post-high school, and 3 yrs experience with 1.5 yrs of ODM
Cross Connection Control Specialist
  • Oregon Administrative Rule:
    333-061-0070 Cross Connection Control Requirements
  • Requirements:
    In community water systems having 300 or more service connections, water suppliers must ensure at least one person is certified as a Cross Connection Control Specialist, unless specifically exempted from this requirement by the Authority.
Name Distribution
Level		 Treatment
Level		 Filtration
Endorsement		 Small Water
Certification		 BAT
Certification		 CCS
Certification		 CCB # LCB # Phone
Number		 Email Expiration
Dates		 Sort DRC
Bradley W. Jensen D2-7213T2-08913


503-873-5439 bjensen@silverton.or.us 12/31/2026 (D/T) 0
Mike D. Dahlberg D3-08165



503-991-6353 mdahlberg@silverton.or.us 12/31/2026 (D) 0
Jesse L Siewell
T3-465177
DRC


503-873-5439 jsiewell@silverton.or.us 12/31/2027 (T) 2
Jacob R. Messmer D2-720621

BAT-720621
503-509-5971 jacobmessmer@gmail.com 12/31/2027 (D)
12/31/2027 (BAT)		 0
Jacob N Rush D2-314768
DRC



503-873-6359 jnrush5@hotmail.com 12/31/2027 (D) 2
Devin J. Oei D1-910356

BAT-910356
503-509-1993 doei@silverton.or.us 12/31/2027 (D)
12/31/2027 (BAT)		 0
Zachary R. Scott



CCS-396600925-478-0814 zachscott27@gmail.com 12/31/2027 (CCS) 0
Brandon N. Wymer D1-98025



503-873-6359 bwymer@silverton.or.us 12/31/2027 (D) 0
Ivan J. Ochoa D1-753824

BAT-753824
626-491-4848 iochoa@silverton.or.us 12/31/2027 (D)
12/31/2027 (BAT)		 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

DRCs are marked in bold and listed first.