Stormwater Archives

July 30, 2026

At the State Water Contractors science conference in June 2026, Dr. Katie Holzer, watershed scientist for the City of Gresham,...

RESEARCH ARTICLE: Porous pavement shows promise for reducing roadway runoff pollution

Maven

Research article Water quality

July 30, 2026

A low-profile stormwater solution may help cities clean runoff without using extra land Roadway runoff often carries pollutants such as...

NOTEBOOK FEATURE: California agencies advance strategy for emerging contaminants and tire-derived 6PPD-quinone

Maven

Notebook News and Features Water quality

July 15, 2026

State Water Board update highlights new monitoring tools, a statewide mapping effort, Caltrans stormwater research, and DTSC’s search for safer...

SFEI: San Francisco rain gardens filter microplastic tire particles and dozens of chemicals from stormwater

San Francisco Estuary Institute

Water quality

July 10, 2026

From the San Francisco Estuary Institute: San Francisco’s rain gardens—the unassuming patches of greenery and mulch designed to soak up...

NOTEBOOK FEATURE: Delta Independent Science Board examines Nature-Based Solutions for climate, water and habitat goals

Maven

Notebook News and Features Planning and management

July 8, 2026

State agencies highlight nature-based solutions for the Delta Nature-based solutions use natural systems and working landscapes to reduce greenhouse gas...

PRESS RELEASE: Conservation Groups and Magic Mountain announce agreement to make critical improvements to the Santa Clara River watershed

Conservation organizations & coalitions

Ecosystems

May 20, 2026

The agreement will improve water quality and provide funding for key restoration activities and studies to support long-term water resilience...

SFEI: Meet the stormwater robots

San Francisco Estuary Institute

Water quality

February 19, 2026

By Sierra Garcia, San Francisco Estuary Institute The day before the first major fall storm in 2025, Kayli Paterson took...

COURTHOUSE NEWS: Tire manufacturers fight accusations that toxic runoff harms fish

Courthouse News Service

Water quality

January 29, 2026

Conservationists claim that runoff of a chemical in car tires is harming endangered fish and violating the Endangered Species Act....

COURTHOUSE NEWS: Tire manufacturers cast doubt on lab studies as trial over toxic roadway runoff continues

Courthouse News Service

Water quality

January 28, 2026

The three-day trial will determine whether tire manufacturers are violating the Endangered Species Act by using a chemical additive in...

COURTHOUSE NEWS: Trial begins in tire chemical runoff case against tire manufacturers

Courthouse News Service

Water quality

January 27, 2026

Conservationists say that a chemical used by car tire manufacturers in the U.S. is leaching into waterways and killing protected...

SFEI: The Storm Chasers: How stormwater reveals more than ever about pollution in San Francisco Bay

San Francisco Estuary Institute

Water quality

January 15, 2026

Highlights Stormwater runoff is the rainwater that washes off landscapes, including cities, and flows towards water bodies. It’s a major...

NOTEBOOK FEATURE: From roadways to waterways: The environmental toll of 6PPD-quinone

Maven

Best of the Notebook Notebook News and Features Water quality

January 7, 2026

6PPD, a chemical widely used in tires to prevent rubber degradation and extend tire lifespan, has raised environmental concerns due...

PRESS RELEASE: Boeing accused of discharge violations at Santa Susana Field Laboratory

State Water Board

Water quality

December 3, 2025

Stormwater runoff allegedly exceeds contaminant limits From the Los Angeles Regional Water Quality Control Board: Los Angeles Regional Water Quality...

UCANR: The impact of climate change on stormwater management

UC Ag and Natural Resources (UCANR)

Planning and management

July 18, 2025

By Daniel Gonzalez, Esther N Lofton, UCANR Climate change is affecting all parameters of the environmental spectrum and thus, all...

NOTEBOOK FEATURE: Keeping microplastics out of the San Francisco Bay: A conversation with environmental toxicologist Ezra Miller

Robin Meadows

Water quality

June 30, 2025

by Robin Meadows In 2019, the San Francisco Estuary Institute (SFEI) published a three-year study of microplastics in the San...