Nitrogen Archives

January 14, 2026

Despite increases in human population and agricultural production, new national data show meaningful progress in reducing nutrient pollution sources across...

ILRP: Points of difference, consensus emerge during ag expert panel working meetings

Jane Sooby

Water quality

December 11, 2025

December 17 listening session added to panel schedule By Jane Sooby The Second Statewide Agricultural Expert Panel met for working...

NOTEBOOK FEATURE: CV-SALTS Progress Report: Addressing nitrate and salt contamination in the Central Valley

Maven

Policy and regulation

November 24, 2025

In 2006, the Central Valley Regional Water Board launched the Central Valley Salinity Alternatives for Long-Term Sustainability (CV-SALTS) program to...

ILRP: Expert panel tackles nitrate challenges with science, policy, and a touch of Halloween spirit

Jane Sooby

Water quality

November 19, 2025

By Jane Sooby The Second Statewide Agricultural Expert Panel continued to deliberate on its charge questions during a Halloween meeting...

ILRP: 2nd agricultural expert panel considers targets, limits, and nutrient management

Jane Sooby

Water quality

October 28, 2025

Next Meeting is Friday, October 31 By Jane Sooby At its October 22 Working Group Meeting, the Second Statewide Agricultural...

ILRP: Ag expert panel organizes its work and requests additional data at first working group meeting

Jane Sooby

Water quality

October 20, 2025

By Jane Sooby The Second Statewide Agricultural Expert Panel, convened by the State Water Resources Control Board (State Water Board)...

CA AGRICULTURE: Adoption patterns of on-farm nutrient management practices and nitrogen application rates in California’s Central Valley

UC Ag and Natural Resources (UCANR)

Water quality

October 15, 2025

Results from a nutrient management practices study show that most growers are adopting four or more practices in the same...

ILRP: First public listening session of the ag expert panel reveals ongoing differences on data and setting N application limits

Jane Sooby

Water quality

October 7, 2025

By Jane Sooby The Second Statewide Agricultural Expert Panel’s Public Listening Session #1 was held October 1, 2025, in Rancho...

CV-SALTS: From safe drinking water to long-term solutions: CV-SALTS at five years

CV Salinity Coalition

Policy and regulation

October 6, 2025

From the Central Valley Salinity Coalition 2025 Is a Milestone Year 2025 marks the 5-year anniversary of the launch of...

AG ALERT: Water quality panel focuses on agricultural nitrogen use

Ag Alert

Water quality

August 27, 2025

By Christine Souza, Ag Alert As California water officials consider changes to the state’s regulatory framework for nitrogen applications and...

ILRP: Central Coast Water Board staff present concepts for the Alternative Water Supply Program; Invite public comment through Sept. 9

Jane Sooby

Water quality

August 27, 2025

By Jane Sooby The August 21, 2025, meeting of the Central Coast Regional Water Quality Control Board was devoted mostly...

ILRP: Second Irrigated Lands Expert Panel meeting features Indigenous perspectives and a lot of data

Jane Sooby

Water quality

August 20, 2025

By Jane Sooby Day 2 of the Second Statewide Agricultural Expert Panel’s “Kick Off Meeting” convened August 14, 2025, at...

NEVADA TODAY: Research indicates more severe wildfires will result in more water quality challenges

University of Nevada-Reno

Wildfires and watersheds

August 15, 2025

University of Nevada, Reno researchers use the popular Lamoille Canyon recreation area to dig deeper into wildfires’ possible effects on...

ILRP: Plan to limit N fertilizers draws opposing sides to Irrigated Lands expert panel meeting

Jane Sooby

Policy and regulation

August 12, 2025

Expert Panel Meeting Reveals Opposing Visions on N Fertilizer Limits By Jane Sooby As the California State Water Resources Control...

GRIST: Pollution from wildfires can contaminate our water for up to 8 years, study finds

Grist

Wildfires and watersheds

June 27, 2025

An analysis of 500 watersheds found levels of organic carbon, phosphorus, and other pollutants up to 103 times higher after...