Learn the Issues

Requirements for Mitigation Bank and ILF Instruments under CWA Section 404

Requirements for Mitigation Bank and In-Lieu Fee Program Instruments

CWA Section 404 and Swampbuster: Wetlands on Agricultural Lands

Many normal farming, silviculture, and ranching activities that involve discharges of dredged or fill materials into waters of the United States are exempted from Section 404; that is, they do not require a permit.

Surface Drinking Water Provided by Intermittent, Ephemeral, and Headwater Streams: County Table

A table detailing detailing the percentage of surface drinking water from intermittent, ephemeral or headwater streams for each county in the continental United States.

Pacific Southwest (EPA Region 9) Monitoring and Assessment Efforts

An overview of Region 9 monitoring and assessment efforts.

Coping with the Stress of Wildfire Smoke

Learn about signs of stress and recommended actions to care for yourself and others during a smoke event.

Stormwater Phase II Final Rule Fact Sheet Series

A collection Stormwater Phase II Final Rule Fact Sheet Series

Copper-Free Brake Initiative

The agreement calls for reducing copper in brake pads to less than five percent by weight in 2021 and zero point five percent by 2025.

Training and Technical Assistance for Small Systems Funding

Provides water and wastewater system staff and private well owners with training and tools to enhance system operations and management practices, and support EPA’s continuing efforts to protect public health and promote sustainability.

Air Modeling - Announcements

Air Modeling Recent Additions

Mga Tip para Makapaghanda sa Isang Hurricane

Mga quick tip para magamit ng mga residente habang naghahanda sa mga posibleng likas na sakuna tulad ng panahon ng hurricane.

Советы по подготовке к урагану

Краткие советы по подготовке к возможным стихийным бедствиям, например, сезону ураганов.

飓风应对技巧。

供居民在准备应对潜在飓风季节等自然灾害时使用的快速提示。

허리케인 대비 행동 요령

허리케인과 같은 잠재적 자연 재해에 대비할 때 주민들이 사용할 수 있는 간단한 행동 요령.

نصائح للجاهزية للأعاصير

نصائح سريعة للمقيمين لاتباعها أثناء الاستعداد للكوارث الطبيعية المحتملة، مثل موسم الأعاصير.

Protect Your Pets from Wildfire Smoke

Learn how to protect your pets from the effects of wildfire smoke.

Protect Your Large Animals and Livestock From Wildfire Smoke

Learn about actions to protect your large animals and livestock from wildfire smoke.

Method 204A - Volatile Organic Compounds in Liquid Input Stream

Method 204A Volatile Organic Compounds Content in Liquid Input Stream.

Method 204C - Volatile Organic Compounds in Captured Stream - Dilution Technique

Method 204C Volatile Organic Compounds Emissions in Captured Stream (Dilution Technique).

Method 204D - Fugitive Volatile Organic Compounds From Temporary Total Enclosure (TTE)

Method 204D Volatile Organic Compounds Emissions in Uncaptured Stream from Temporary Total Enclosure.

Method 204E - Fugitive Volatile Organic Compounds From Building Enclosure

Method 204E Volatile Organic Compounds Emissions in Uncaptured Stream from Building Enclosure.