Make a payment

We accept various payment types, depending on the delivery method, location, and the payment reason. We accept online electronic payments only for certain fee types, and only when noted on the invoice.

You might need Ecology's Taxpayer ID Number (TIN) to make your payment. W9,w9,w-9,w 9

I want to...

Request W-9 to get Ecology's taxpayer ID number (TIN) so I can pay Ecology

Where to send your payment

Please send your check or money order payment to the address listed on the payment request document (such as invoice, notice of penalty, permit application, or other). If available, include the invoice stub/remittance advice/invoice number with your payment to ensure proper posting to your account.

If you don't have a payment request document, you can send your payment to us, depending on the payment and delivery methods we accept. Not all methods are available for all payment request documents.

Due to the Coronavirus (COVID-19), our office is closed and we cannot accept in-person payments by check or money order until we reopen for public access.

When our office resumes normal operation, we will resume accepting in-person check or money order payments at our reception area.

But you can still send us your payment.

By mail (US Postal Service)

Department of Ecology
Cashiering unit
PO Box 47611
Olympia, WA 98504-7611

Sent by shipper that requires a street address (FedEx or UPS)

Department of Ecology
Cashiering unit
300 Desmond DR SE
Lacey, WA 98503

Contact information

For payment questions, contact the person listed on the payment request document. If none are listed, contact the cashier at 360-407-7095.

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