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Plan Review
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Requirements & Resources

Plan reviews are mandated by OAR 333-061-0060 (pdf), and must be submitted to and approved by Drinking Water Services before construction of a new system or major additions or modifications to existing systems can occur. View the Water System Plan Review Requirements (PDF) for more details. Resources related to plan review requirements are listed below:

  • Fee Schedule: See Table 1 for the schedule of plan review fees. All appropriate fees are required to be submitted before the plan review process can begin. Please make checks payable to "OHA Drinking Water" and mail all plans, required information and fees to the address below:
    Attention: Plan Review
    OHA Drinking Water Services
    800 NE Oregon St, Ste 640
    Portland, OR  97232-2162

Table 1. Plan Review Fee Schedule
Effective January 1, 2016
Nature of Plan Community Water System
serving ≥300 connections
Community Water System
serving <300 connections and
Non-Community Water System1
Water Source $3300 $825
Water Treatment:    
Surface Water Filtration $3300 $825
Disinfection $825 $248
Corrosion Control $825 $248
Other2 $825 $248
Distribution $3300 $825
Storage $3300 $825
Combination two or more3 $4125 $825
Master Plan $4125 $825
Corrosion Control study $4125 $825
As-built plans & certification statement No additional fee if original plans reviewed
1 Number of connections is based on water system size not on how many connections are served by the project
2 Examples include: arsenic or nitrate removal, disinfectant residual maintenance, coagulant injection.
3 Projects submitted jointly will be issued joint conditional and final approvals.

UV, Membrane, & Cartridge/Bag - Verified Models
Drinking Water Services reviews validation tests and challenge studies from vendors of UV, membrane and cartridge/bag technologies in order to determine if they are compliant with U.S. Environmental Protection Agency Long-Term 2 Enhanced Surface Water Treatment Rule (LT2) criteria. Lists of reviewed and verified models are provided below: