187 Drinking Water Permitting-Understanding Floor Plans_Color

Approved Water Source for Your Project?

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Water approval is the first step to get a permit to develop your property or business.

I need Drinking Water approval for a:

New Septic System

Requirements depend on your water supply. All water systems must meet public health standards.

Large Water System Service Area
Small Water System (Group B)
Individual well
  • New or existing wells need water approval before septic approval.
Unapproved water system

Platting, Binding Site Plan or Boundary Line Adjustment

New lots or changes to existing boundary lines require Health Department approval.

Food Establishments, Schools, Pools and Camps

We review and approve any new facilities or changes to existing menu, equipment, design or floor plan.

Child Care Centers

Starting a new child care? Water must be from an approved public water system.

Temporary Event

Advertised public events that serve food must:

Sell or refinance my property (real estate).

When you buy or sell a home, know if your water supply is safe, reliable and meets disclosure requirements.


We review and approve new wells in Pierce County.

Drill a new individual well (one house).
Drill a public well (more than one house or business).


Planning and Land Services must review all proposed wells for water-right exemption. See more resources for property owners at Department of Ecology.

Add additional dwelling unit (ADU) on my property.

Requirements vary. Schedule a consultation with Drinking Water staff to discuss your proposed project.

Develop a new or expand a public water system.

If you are starting a new public water system, schedule a consultation. View the New Group B Water System checklist.

Get an existing water system approved.

If you have an existing, unapproved public water system, schedule a consultation to review the application and requirements. View the Existing Group B Water System checklist.

Decommission a well.

You need a licensed well-driller to decommission a well no longer in use.

Not able to meet our requirements?

You can request a variance/waiver. Schedule a consultation with Drinking Water staff to review application and requirements.

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