Search Results - Washington State Department of Ecology

Biosolids permit facility type chart

This is a flow chart to help wastewater treatment operators determine their facility type for the Biosolids general permit.

https://ecology.wa.gov/biosoilds-permit-facility-type-chart

Vader-biosolids-site-plan

This document maps the site associated with a proposal by the Vader Wastewater Treatment Plant to remove biosolids from their facility for land application.

https://ecology.wa.gov/vader-biosolids-site-plan

Carnival Splendor inspection report

This document is the wastewater inspection report for Carnival Splendor Cruise Line.

https://ecology.wa.gov/carnival-splendor-inspection-report

Discovery Princess Cruise Line inspection report

This document is the inspection report for wastewater discharges for Discovery Princess Cruise Line.

https://ecology.wa.gov/discovery-princess-inspection-report

Vader-biosolids-spill-plan

This document describes the spill prevention and response plan for Vader Wastewater Treatment Plant's biosolids proposal.

https://ecology.wa.gov/vader-biosolids-spill-prevention-and-response

Adopted rule language (WAC 173-230) 07/10/19

This is adopted rule language for WAC 173-230 Certification of Wastewater Operators

https://ecology.wa.gov/adopted-rule-language-wac-173-230-07-10-19

2015 Fact Sheet for Upland Fin-fish Hatching and Rearing General Permit

This is a fact sheet for the 2015 Upland Fin-fish Hatching and Rearing General Permit. This fact sheet explains the nature of the discharges covered by the general permit, our decisions on limiting the pollutants in the wastewater, and the regulatory and technical bases for those decisions.

https://ecology.wa.gov/factsheetfinal12152015

Adoption Notice - Focus sheet

This is a rulemaking adoption focus sheet for WAC 173-230 AO 18-02 Wastewater Operator Certification

https://ecology.wa.gov/announcement-focus-sheet

Vader-draft-agreed-order

This draft agreed order would allow the Vader Wastewater Treatment Plant to remove biosolids for land application.

https://ecology.wa.gov/vader-draft-agreed-order

Nieuw Amsterdam, Holland America Line inspection report

This document is the inspection report for wastewater discharges for Nieuw Amsterdam, Holland America Cruise Line.

https://ecology.wa.gov/nieuw-amsterdam-holland-america-line-inspection-re

Norwegian Encore, Norwegian Cruise Line inspection report

This document is the wastewater discharges inspection report for Norwegian Encore, Norwegian Cruise Line.

https://ecology.wa.gov/norwegian-encore-norwegian-cruise-line-inspection

Vader-added-conditions

This documents lists additional and more stringent conditions to a draft agreed order for the Vader Wastewater Treatment Facility.

https://ecology.wa.gov/vader-draft-agreed-order-added-conditions

Vader-sampling-analysis

This document describes the sampling and analysis planned for the removal of biosolids from the Vader Wastewater Treatment Plant.

https://ecology.wa.gov/vader-sampling-and-analysis-plan

Silver Muse, SilverSea Cruises inspection report

This document is the wastewater discharges inspection report for Silver Muse, SilverSea Cruises Line.

https://ecology.wa.gov/silver-muse-silversea-cruises-inspection-report

Wastewater Training sign in sheet

This is for instructors to use as a means to document student attendance.

https://ecology.wa.gov/ww-training-sign-in-sheet

Rulemaking Adoption Notice (WAC 173-230) 07/10/19

This is a rulemaking adoption (CR-103) for WAC 173-230 Certification of Wastewater Operators

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-230-07-10-19

Wastewater Operator Certification WAC

This is the Washington Adminstration Code that governs how we certify operators. It also shows how plants are classified at the end of the document.

https://ecology.wa.gov/ww-wac

Rulemaking proposal (WAC 173-230) 03/12/19

This is a rulemaking proposal (CR-102) for WAC 173-230 Wastewater Operator Certification

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-230-03-12-1

Equivalent Residential Units (ERU) calculation worksheet tool

Equivalent Residential Units (ERU) calculation tool for use by people applying for Ecology Water Quality Program's Wastewater Facility Hardship Funding.

https://ecology.wa.gov/equivalent-residential-units-eru-calculation-wor

EPA Draft Instructions for completing Form 2A

EPA Draft Instructions for the Application for permit to discharge wastewater from Publicly Owned Treatment Works

https://ecology.wa.gov/form_2a_instructions

EPA Form 2B

Application for permit to discharge wastewater from concentrated animal feeding operations and aquatic animal production facilities.

https://ecology.wa.gov/form_2b

EPA Form 2C

Application for permit to discharge wastewater from existing manufacturing, commercial, mining, and silvicultural operations.

https://ecology.wa.gov/form_2c

EPA Form 2D

Application for permit to discharge process wastewater from new sources and new discharges.

https://ecology.wa.gov/form_2d

EPA Form 2E

Application for facilities which do not discharge process wastewater.

https://ecology.wa.gov/form_2e

Wastewater Facility Planning Design Projects Outcomes Summary form

Outcomes Summary form for Water Quality funded Wastewater Facility Planning and Design Projects

https://ecology.wa.gov/wastewater-facility-planning-design-projects-outco

Wastewater Facility Construction Projects Outcomes Summary form

Outcomes Summary form for Water Quality funded Wastewater Facility Construction Projects

https://ecology.wa.gov/water-quality-funded-wastewater-facility-construct

Industrial receiving water study QAPP template

Industrial receiving water and wastewater treatment facility effluent temperature study QAPP template

https://ecology.wa.gov/qappindustrialtemplate

Municipal receiving water study QAPP template

Industrial receiving water and wastewater treatment facility effluent temperature study QAPP template

https://ecology.wa.gov/qappmunicipaltemplate

Water Quality Combined Funding Program Recipient Training - Wastewater Session 1

For funding recipients of our Water Quality Combined Funding Program, this is the Wastewater Facility project type part of the Recipient Training workshop

https://ecology.wa.gov/ecology-water-quality-combined-funding-program-5

Water Quality Combined Funding Program Recipient Training - Wastewater Session 2

For funding recipients of our Water Quality Combined Funding Program, this is the Wastewater Facility project type part of the Recipient Training workshop

https://ecology.wa.gov/wqc-recipient-training-wastewater-session-2

Tier 1 Calculator for Biomethane Sludge (WAC 173-424) 11-28-22

This is the (Tier 1) simplified calculator for conventionally-produced biomethane from wastewater sludge. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-biomethane-sludge-wac-17-2

Tier 1 Calculator for Biomethane Sludge (WAC 173-424) 07-15-22

This is the (Tier 1) simplified calculator for conventionally-produced biomethane from wastewater sludge. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-biomethane-sludge-wac-17-1

Tier 1 Calculator for Biomethane Wastewater Sludge (WAC 173-424) 03/15/22

This is the (Tier 1) simplified calculator for conventionally-produced biomethane from wastewater sludge. The calculator is used for fuel life cycle analysis for the Clean Fuels Program.

https://ecology.wa.gov/tier-1-calculator-for-biomethane-sludge-wac-173-42

Mercury in biosolids data

Mercury (hg) content of biosolids produced at wastewater treatment facilities in Washington.

https://ecology.wa.gov/mrwmercurydata

Wastewater Treatment Plant Award Recipients

Current Year Wastewater Treatment Plant Award Recipients

https://ecology.wa.gov/wwtp-award-list

Soos Creek watershed multi-parameter TMDL

We are working with partners in the Soos Creek watershed to improve water quality.

https://ecology.wa.gov/water-shorelines/water-quality/water-improvement/total-maximum-daily-load-process/directory-of-improvement-projects/soos-creek-multi-parameter-tmdl

Hangman Creek multi-parameter TMDL

We're working to improve water quality in Hangman Creek.

https://ecology.wa.gov/water-shorelines/water-quality/water-improvement/total-maximum-daily-load-process/directory-of-improvement-projects/hangman-creek

Water Quality

We protect water for recreation, drinking, public health, industry, and for fish and wildlife.

https://ecology.wa.gov/about-us/who-we-are/our-programs/water-quality

Region office contacts

Contact information for our region offices.

https://ecology.wa.gov/about-us/contact-us/region-contacts

Toxic chemicals in Puget Sound

Toxic chemicals used in everyday activities can harm human health and the environment.

https://ecology.wa.gov/ecologys-work-near-you/river-basins-groundwater/puget-sound/issues-problems/toxic-chemicals

Clean Fuel Standard requirements for participation

Learn what fuel producers and suppliers are required to do under the Clean Fuel Standard.

https://ecology.wa.gov/air-climate/reducing-greenhouse-gas-emissions/clean-fuel-standard/requirements

Fuel pathways and carbon intensity

Learn how carbon intensity scores are assigned under the Clean Fuel Standard using fuel pathways.

https://ecology.wa.gov/air-climate/reducing-greenhouse-gas-emissions/clean-fuel-standard/fuel-pathways-and-carbon-intensity

Public involvement

We provide information and supporting documents for public comment periods about cleanup at Hanford.

https://ecology.wa.gov/waste-toxics/nuclear-waste/public-involvement

Ecology's Index of interpretive and policy statements and Declaratory and Final Orders.

Our interpretive and policy statements.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/index

Reporting & notification requirements

Get answers to common questions about reporting requirements of the municipal stormwater permits.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/stormwater-permittee-guidance-resources/municipal-stormwater-permit-guidance/reporting

New paper about Contaminants of Emerging Concern in wastewater

June 29, 2021 Blog post:

New review paper gathers studies about Contaminants of Emerging Concern (CECs) entering Washington water

https://ecology.wa.gov/blog/june-2021/new-paper-about-contaminants-of-emerging-concern-i

Dosewallips State Park Draft Permit

Comment Period: April 23, 2025, 12 a.m. - May 23, 2025, 11:59 p.m.
We invite you to comment on the Draft Permit No. ST0006251

https://ecology.wa.gov/events/wq/waste-discharge-permits-2e5ab73db877bfab36ddd36a6a436930/dosewallips-state-park-wastewater-treatment-plant

Toutle Wastewater Treatment Plant Draft Permit

Comment Period: April 15, 2025, 12 a.m. - May 16, 2025, 11:59 p.m.
We invite you to comment on the draft permit No. WA0037770

https://ecology.wa.gov/events/wq/npdes-discharge-permit/cowlitz-county-public-works-757cdf20e535a5bfcbfab15f7757faf1

Camas Wastewater Treatment Plant Draft Permit

Comment Period: April 15, 2025, 12 a.m. - May 16, 2025, 11:59 p.m.
We invite you to comment on the draft permit No. WA0020249

https://ecology.wa.gov/events/wq/npdes-discharge-permit/city-of-camas

Puget Sound nutrient reduction grants program

Non-competitive grants for municipalities with wastewater facilities discharging to Puget Sound

https://ecology.wa.gov/about-us/payments-contracts-grants/grants-loans/find-a-grant-or-loan/puget-sound-nutrient-reduction