Search Results - Washington State Department of Ecology

Air monitoring network

Ecology's air monitoring network provides local air quality conditions.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/air-monitoring-network

State Environmental Policy Act (SEPA)

We provide information about the State Environmental Policy Act (SEPA).

https://ecology.wa.gov/regulations-permits/sepa/environmental-review

Biosolids laws, rules, and support documents

See Washington's biosolids laws, the administrative rules we operate under, and support documents.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/biosolids-laws-rules-and-support-documents

Moderate risk waste facility guidance

Regulatory information and guidance for county moderate risk waste facilities.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/moderate-risk-waste-facility-guidance

Washington State Hydrography Dataset Program

Mapping surface waters in Washington.

https://ecology.wa.gov/research-data/data-resources/geographic-information-systems-gis/hydrography-program-washd

GIS Contacts

Find GIS staff contact information.

https://ecology.wa.gov/research-data/data-resources/geographic-information-systems-gis/gis-contacts

Black Lake Grocery groundwater monitoring

We monitor groundwater for petroleum hydrocarbons at the Black Lake Grocery site.

https://ecology.wa.gov/research-data/monitoring-assessment/groundwater-quality-assessment/active-studies-index/black-lake-grocery

Shelton Laundry groundwater monitoring

We measure volatile organic compounds from monitoring wells at the Shelton Laundry site.

https://ecology.wa.gov/research-data/monitoring-assessment/groundwater-quality-assessment/active-studies-index/shelton-laundry

Aladdin Plating

We monitor groundwater for legacy plating chemicals at the former Aladdin Plating Co. site in Tacoma.

https://ecology.wa.gov/research-data/monitoring-assessment/groundwater-quality-assessment/active-studies-index/aladdin-plating

Groundwater quality assessment

Our hydrogeologists monitor and assess groundwater quality and quantity in Washington.

https://ecology.wa.gov/research-data/monitoring-assessment/groundwater-quality-assessment

Financial assurance options

Companies that need to provide financial assurance must figure out how much assurance is necessary.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/dispose-recycle-or-treat/financial-assurance/options

Universal waste

Learn how your business can manage certain types of dangerous waste under the Universal Waste Rule.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/universal-waste

Tools for cleaning up contaminated sites

We have online tools and statistical packages to help you clean up contaminated sites.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/contamination-cleanup-tools

Inspecting vessels for substantial risk

We inspect ships operating in state waters and take further action if they pose a substantial risk.

https://ecology.wa.gov/regulations-permits/compliance-enforcement/vessel-inspections

Water quality individual permit guidance

Guidance and resources for individual wastewater permits; limit pollution, maintain water quality.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/water-quality-permits-guidance

Data products & reports

See example data products, get access to data, and view reports and presentations.

https://ecology.wa.gov/research-data/monitoring-assessment/coastal-monitoring-assessment/data-products

Acronyms & glossary for the Toxics Cleanup Program

We have a list of acronyms and terms commonly used in contaminated site cleanup work.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/toxic-cleanup-acronyms

SEPA Guide for lead agencies

SEPA guidance for lead agencies.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/guide-for-lead-agencies

Phase I Municipal Stormwater Permit

This permit regulates stormwater discharges in the most highly populated areas in Washington.

https://ecology.wa.gov/regulations-permits/permits-certifications/stormwater-general-permits/municipal-stormwater-general-permits/municipal-stormwater-phase-i-permit

SEPA checklist guidance, Section B: Environmental health

Guidance for Environmental Health section of Part B for SEPA environmental checklist.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-section-b-environmental-elements/environmental-elements-7-environmental-health

Approved sampling and analysis procedures

Approved laboratory analysis methods for cleaning up contaminated sites.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/contamination-cleanup-tools/sampling-and-analysis-procedures

SEPA training

We provide SEPA training sessions and other presentations.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-workshops-training

SEPA checklist guidance, Section B: Water

Guidance to complete Water section for Part B of SEPA environmental checklist.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-section-b-environmental-elements/environmental-elements-3-water

Property inspection checklist

Before buying property, use the property inspection checklist to complete an onsite inspection.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-residential-cleanups/property-inspection-checklist

Measuring Street Sweeping 6PPDQ Whole Environment Load Reductions

Potential for street sweeping to reduce the amount of 6PPDQ on the roadway

https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/sam-effectiveness-studies/sweeping-6ppd-load

Water right permits

Use a pre-application request form before applying for a new or updated water right.

https://ecology.wa.gov/regulations-permits/permits-certifications/water-right-permits

Rules for used oil generators

Follow these rules if you are a used oil generator.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/used-oil-generators-rules

Resources for underground storage tank owners & operators

Follow procedures to keep your tanks safe.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/ust-owner-and-operator-resources

Overview of permitting & certifications

Find information on how to get a permit or certification from Ecology.

https://ecology.wa.gov/regulations-permits/permits-certifications/overview-of-permitting

Aquatic invasive plant technical assistance

We provide advice on identifying, monitoring, and managing invasive freshwater aquatic plants.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/aquatic-invasive-plant-technical-assistance

Clean Energy Siting Council

Tracking the progress of efforts to improve siting projects

https://ecology.wa.gov/regulations-permits/sepa/clean-energy/council

Products required to meet recycled content minimums

This page explains which products are subject to the law and provides compliance information.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/recycled-content-products

Managing solar panel waste

Learn how businesses can properly manage, recycle, or dispose of end-of-life solar panels.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/solar-panel-waste

Stormwater Action Monitoring — source identification

Learning, sharing best ways to identify and eliminate sources of stormwater pollution in WA.

https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/sam-source-identification

Chemicals of high concern to children (CHCC)

List of chemicals that manufacturers of children's products must report on.

https://ecology.wa.gov/regulations-permits/reporting-requirements/childrens-safe-products-act-reporting/chemicals-of-high-concern-to-children

Sand & Gravel Permit guidance

Guidance to implement your Sand & Gravel General Permit.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/stormwater-permittee-guidance-resources/sand-and-gravel-permit-guidance

SEPA checklist guidance, Section B: Plants

SEPA Guidance for Plants section, Part B for the state Environmental Checklist.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-section-b-environmental-elements/environmental-elements-4-plants

Characterization of Stormwater Transport of Contaminants of Emerging Concern

We work with City of Tacoma to look for several contaminants of emerging concern in stormwater.

https://ecology.wa.gov/regulations-permits/reporting-requirements/stormwater-monitoring/stormwater-action-monitoring/sam-effectiveness-studies/stormwater-characterization

Cleaning up contamination with model remedies

Model remedies are ways to clean up routine, low-risk contaminated sites under MTCA.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/mtca-model-remedies

River & stream flow monitoring methods

We measure water's width, depth, and speed in rivers and streams to compute streamflow.

https://ecology.wa.gov/research-data/monitoring-assessment/river-stream-monitoring/flow-monitoring/river-stream-flow-monitoring-methods

SEPA Guidance on Categorical Exemptions

Guidance on SEPA exemptions.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/guide-for-lead-agencies/exemptions

Clean Energy Coordinated Permit Process

We assist with pre-application discussions, environmental review and permit processes.

https://ecology.wa.gov/regulations-permits/sepa/clean-energy/clean-energy-coordinated-permit-process

SEPA checklist guidance, Section B: Surface water

Guidance to complete Surface water section for Part B of SEPA environmental checklist.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-section-b-environmental-elements/environmental-elements-3-water/environmental-elements-surface-water

Zostera japonica management on commercial clam beds in Willapa Bay general permit

This permit allows the use of an herbicide to control non-native eelgrass in Willapa Bay.

https://ecology.wa.gov/regulations-permits/permits-certifications/aquatic-pesticide-permits/zostera-japonica-eelgrass-management

Municipal stormwater permit history

We document the development of municipal stormwater permits in Washington.

https://ecology.wa.gov/regulations-permits/permits-certifications/stormwater-general-permits/municipal-stormwater-general-permits/municipal-stormwater-permit-history

Class 1 Facility out of service and decommissioning

We amended WAC 173-180 in July 2023.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-oil-industry/facilities-out-of-service

WestRock, Tacoma

We regulate water, hazardous waste and cleanup at RockTenn's WestRock pulp and paper mill in Tacoma.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/westrock-tacoma

EPCRA Tribal guidance

Information on the Emergency Planning & Community Right-to-Know Act for Tribal nations.

https://ecology.wa.gov/regulations-permits/reporting-requirements/emergency-planning-community-right-to-know-act/epcra-tribal-guidance

Combined sewer overflows

We're working to control combined sewer overflows to keep water clean.

https://ecology.wa.gov/regulations-permits/permits-certifications/combined-sewer-overflows

Vessel emergency reporting

We require vessels to report spills — or threats of spills — within one hour.

https://ecology.wa.gov/regulations-permits/reporting-requirements/vessel-emergency-reporting