OHA Drinking Water Services
OR41
PWS ID: 00665 ---- TUALATIN VALLEY WATER DISTRICT

Required Operators
Distribution 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 AND 10 YEARS OF ACCEPTABLE OPERATING EXPERIENCE w/3 Yrs ODM,
    OR
    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
Treatment 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
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
Richard J. Barss D2-6183



503-969-1448 jake.barss@tvwd.org 12/31/2026 (D) 0
Joel A. Cary D4-6981T1-09012

CCS-4434503-848-3019 joel.cary@tvwd.org 12/31/2026 (D/T)
12/31/2026 (CCS)		 0
Ross W. Corey D2-3776



971-294-9400 ross.corey@tvwd.org 12/31/2026 (D) 0
Michael R. Etienne D2-7063



971-330-4013 mikee@tvwd.org 12/31/2026 (D) 0
Kevin C. Henning D2-3822



503-701-0962 kevin.henning@tvwd.org 12/31/2026 (D) 0
Ronald A. Jacobs D3-3825
SWS-3825

503-642-1511 ronJ@tvwd.org 12/31/2026 (D)
7/31/2028 (SWS)		 0
Christopher D. Johnson D2-6480



503-848-3000 chris@tvwd.org 12/31/2026 (D) 0
Brian S. Kemper D4-3829T2-3829
DRC


503-849-3181 brian@tvwd.org 12/31/2026 (D/T) 2
Ronald W. Kemper D3-6179T1-09277

CCS-9277 503-268-9990 Ron.Kemper@tvwd.org 12/31/2026 (D/T)
12/31/2026 (CCS)		 0
Matthew D. Oglesby D4-6399


CCS-3779503-848-3069 matt.oglesby@tvwd.org 12/31/2027 (D)
12/31/2027 (CCS)		 0
Scott L. Page D1-6188



503-830-3035 scott.page@tvwd.org 12/31/2027 (D) 0
Julius M. Palisbo D2-6861


CCS-4228503-567-0261 julius.palisbo@tvwd.org 12/31/2027 (D)
12/31/2027 (CCS)		 0
Bill H. Richmond IV D4-6688T1-08563

CCS-4495503-848-3072 bill@tvwd.org 12/31/2027 (D/T)
12/31/2027 (CCS)		 0
Jeffrey A. Tuck D3-6536


CCS-4278503-329-0776 jeff.tuck@tvwd.org 12/31/2027 (D)
12/31/2027 (CCS)		 0
Charles O. Turner D4-7071T2-09123


503-324-6137 chuck.turner@tvwd.org 12/31/2027 (D/T) 0
Troy VanRoekel D4-3803T2-09282


971-470-2909 troy@tvwd.org 12/31/2027 (D/T) 0
Chad E. Vanaken D2-6897T1-09280


503-840-5175 chad@tvwd.org 12/31/2027 (D/T) 0
Brad J. Vandomelen D1-6691



971-329-0098 bradv@tvwd.org 12/31/2027 (D) 0
Paul L. Visser D3-6582



503-330-8485 paul@tvwd.org 12/31/2027 (D) 0
Cody L Lardy D2-08363



503-680-2700 cody.lardy@tvwd.org 12/31/2027 (D) 0
David L. Stevens D3-08380



503-969-5781 david.stevens@tvwd.org 12/31/2027 (D) 0
Benjamin M. Duyck D4-08032


CCS-5046503-848-3000 ben.duyck@tvwd.org 12/31/2026 (D)
12/31/2026 (CCS)		 0
Daniel B. Kent D2-10730



503-679-8237 dan.kent@tvwd.org 12/31/2026 (D) 0
Steven J. Herb D2-08223



503-310-9575 steveh@tvwd.org 12/31/2026 (D) 0
Richard B. Williams D1-08568



971-329-0045 brock@tvwd.org 12/31/2027 (D) 0
Daniel R. Herb D2-08349



503-830-0335 danh@tvwd.org 12/31/2026 (D) 0
Rob Stenlund D2-08379



503-642-1511 rob.stenlund@tvwd.org 12/31/2027 (D) 0
Scott A. Fortman D2-08515



971-941-4587 scott.fortman@tvwd.org 12/31/2026 (D) 0
Joel N. Ayres D4-09130



971-470-1962 joela@tvwd.org 12/31/2026 (D) 0
Bruce C. Duyck D2-08908T1-8908


971-235-1722 bruce.duyck@tvwd.org 12/31/2026 (D/T) 0
Alexander R. Sykes D2-09050



503-369-3622 alex.sykes@tvwd.org 12/31/2027 (D) 0
John A. Keating, III D2-09019



971-329-6954 johnk@tvwd.org 12/31/2026 (D) 0
Jonathan C. Roley D2-09030



503-804-3671 jon.roley@tvwd.org 12/31/2027 (D) 0
Mikk G Puppo D2-09217



503-848-3067 mikk@tvwd.org 12/31/2027 (D) 0
Joshua R Ayres D1-09323



971-329-7696 joshua@tvwd.org 12/31/2026 (D) 0
Colton J Kelsey D1-09417



971-329-5591 colton.kelsey@tvwd.org 12/31/2026 (D) 0
Ryan E. Smith D4-268713
DRC



971-277-8813 ryan.smith@tvwd.org 12/31/2027 (D) 2
Ryan E Hansen D1-31307



971-330-3972 ryan.hansen@tvwd.org 12/31/2026 (D) 0
Kahlil Howell D2-901281

BAT-5403CCS-5403503-848-3029 kahlil.howell@tvwd.org 12/31/2026 (D)
12/31/2026 (BAT/CCS)		 0
David L. Nakamura


BAT-6681CCS-6681503-848-3013 david.nakamura@tvwd.org 12/31/2027 (BAT/CCS) 0
Tara A. Vanderwey



CCS-6778503-848-3087 tara.vanderwey@tvwd.org 12/31/2027 (CCS) 0
Matthew E. Mosier D2-975026



971-495-8444 matt.mosier@tvwd.org 12/31/2027 (D) 0
Benjamin J Larsen D1-622756



971-226-1106 benjamin.larsen@tvwd.org 12/31/2027 (D) 0
Kayleen R. O'Dair



CCS-640980
Delinquent		503-848-3027 kayleen.odair@tvwd.org 12/31/2025 (CCS) 0
Dakota M. Kemper D2-951586



971-348-9337 dakota.kemper@tvwd.org 12/31/2026 (D) 0
Declan D. Orth D1-625355



971-330-5263 declan.orth@tvwd.org 12/31/2027 (D) 0
Benjamin E. Tracy D2-597819



503-848-3000 ben.tracy@tvwd.org 12/31/2027 (D) 0
Derek Ringer D1-616122



971-470-8680 derek.ringer@tvwd.org 12/31/2027 (D) 0
Nathan R. Hocker D1-971176



971-773-9836 Nathan.Hocker@tvwd.org 12/31/2026 (D) 0
Brandon E. Vanaken D1-839462



503-332-2237 brandon.vanaken@tvwd.org 12/31/2027 (D) 0
Terry J. Sandstrom D2-735634


CCS-735634503-707-5153 Terry.Sandstrom@tvwd.org 12/31/2027 (D)
12/31/2027 (CCS)		 0
Zoe Lowder



CCS-348410971-454-9686 zoe.lowder@tvwd.org 12/31/2027 (CCS) 0
Derek S. Cardelli D1-351283



503-848-3000 Derek.Cardelli@tvwd.org 12/31/2026 (D) 0
Luke B. Parris D1-405209



971-329-5756 Luke.Parris@tvwd.org 12/31/2027 (D) 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.

Delinquent: Delinquent certifications can be renewed up to one year after the expiration date.