OHA Drinking Water Services
OR41
PWS ID: 00816 ---- SHERWOOD, CITY OF

Required Operators
Distribution Level 3
  • Oregon Administrative Rule:
    333-061-0235 OPERATOR REQUIREMENTS LEVELS 1-4
  • Requirements:
    HS/GED AND 8 YEARS OF ACCEPTABLE OPERATING EXPERIENCE w/2.5 Yrs ODM,
    OR
    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
Richard C. Sattler D4-1715
DRC		T1-1715
BAT-1061CCS-1061503-925-2319 sattlerr@sherwoodoregon.gov 12/31/2027 (D/T)
12/31/2027 (BAT/CCS)		 2
Craig J. Sheldon D3-3542T1-3542

CCS-3390 503-625-4200 sheldonc@sherwoodoregon.gov 12/31/2027 (D/T)
12/31/2027 (CCS)		 0
Konrad A. Dimmitt D2-08717T1-09478

CCS-5764917-979-5918 dimmittk@sherwoodoregon.gov 12/31/2026 (D/T)
12/31/2026 (CCS)		 0
Louis Hoekstra



CCS-529092503-925-2311 hoekstrat@sherwoodoregon.gov 12/31/2026 (CCS) 0
Ryan J. Davis D1-619534T1-619534


503-925-8441 davisr@sherwoodoregon.gov 12/31/2026 (D/T) 0
Zachary T. Leppin D1-531220



503-925-2319 zepplin.leppin25@gmail.com 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.