Learn the Issues
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Water Affordability
Water affordability is the ability of an individual household to pay for essential water services bills, including drinking water, wastewater, and stormwater, without sacrificing other household needs.
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NPDES Application and Program Updates
EPA is proposing several regulatory revisions and updates to the Clean Water Act’s National Pollutant Discharge Elimination System.
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2016 Pesticide General Permit - Pre-publication Version
EPA has posted a pre-publication version of the 2016 Pesticide General Permit (PGP) to help the regulated community become familiar with the permit requirements before the permit becomes effective on October 31, 2016.
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Permit Writing Tips and Best Practices
Permit Writing Tips and Best Practices
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NPDES Permit Application Forms
EPA's NPDES Permit Application Forms
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National Pretreatment Program Control Authority
To assist the control authority in developing and implementing its pretreatment programs, EPA provides the following guidance.
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Pretreatment Roles and Responsibilities-Control Authorities
Overview of types of variances that can be granted for pretreatment standards.
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National Menu of Best Management Practices (BMPs) for Stormwater
EPA has found the practices listed in the menu of BMPs to be representative of the types of practices that can successfully achieve the minimum control measures.
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Pesticide News Stories
Pesticide News Stories
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EPA Opens Public Comment Periods Pursuant to Executive Order
Pursuant to Section 2(a) the Executive Order 14414, Advancing Regenerative Agriculture and Strengthening American Farm Resilience, EPA has proposed and is taking public comment on the actions.
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Pollution Prevention and Toxics News Stories
List of recent press releases and listervs on pollution prevention and toxics topics.
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2026 Ozone Exceedances
View 2026 Ozone Exceedances for New England.
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2026 PM2.5 Exceedances
View 2026 PM2.5 Exceedances for New England.
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Pacific Southwest (Region 9) Media Center
News media, state and local officials, and others can find press releases, media events and contacts in EPA's Pacific Southwest. Additional resources include newsletters, annual reports, and library services that support regional activities.
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EPA in California
Portal for news and information about EPA's efforts and environmental conditions in California.
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International Programs Related to the Global Methane Initiative
Provides information about international programs that are related to the GMI.
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EPA Pacific Southwest PFAS Tribal Drinking Water Sampling Project
The PFAS Tribal Drinking Water Sampling Project is a voluntary sampling effort that is offered to all public water systems (PWS) on tribal lands in EPA’s Pacific Southwest Region (Region 9).
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Tribal Green Manufactured Housing
Tribal green building code guidance for manufactured housing.
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Greening Tribal Casinos
Tribally owned or operated gaming facilities have many opportunities to implement green building and operations. Environmental improvements can save money and have lasting environmental and social impacts for the Tribe and for facility visitors.