Public sources
- EPA, Tijuana River watershed technical evaluation
- EPA, USMCA Tijuana River watershed page
- EPA, Tijuana River watershed public updates
- EPA and USIBWC quarterly update, July 2026
- IBWC, ozone nanobubble pilot report, December 2025
- IBWC river flow dashboard
- San Diego Water Board status report, June 2026
- San Diego Water Board, U.S.–Mexico border water quality
- San Diego Coastkeeper, Tijuana River sewage
- CalMatters, county river diversion plan, September 2026
- NBC San Diego, county vote on U.S.-side treatment
- KPBS, Saturn Boulevard hotspot fix, January 2026
- County News Center, hydrogen sulfide health guidance, July 2026
- San Diego County Air Pollution Control District, AIRE air purifier program
- California Air Resources Board on the AIRE program, which confirms its February 2025 launch
- San Diego County, beach and bay status levels and advisory types
- San Diego County, beach and bay public summary, on rain advisories
- KPBS, county reopens two Imperial Beach areas, September 2026
- RCAC, trash boom funding extended, August 2026
- The Coronado News, ozone pilot coverage, February 2026
- EPA, beach impact comparison study (Scripps source modeling)
- EPA, Minute No. 333
- State Water Board, trash boom funding extended, July 2026
- California State Assembly, transboundary flow figures since 2018
- The Spokesman-Review, county approves the Saturn Boulevard fix, September 2026
- CalMatters, the Saturn Boulevard fix, May 2026
- CalMatters, 2026 regional report on Tijuana’s sewer network, March 2026
- Scripps Institution of Oceanography, the river’s toxic water pollutes the air
- San Diego Water Board, South Bay plant status report, August 2025
- IBWC, South Bay plant capacity raised to 35 MGD, August 2025
- Commission for Environmental Cooperation, Tijuana wastewater submission registry
- EPA, USMCA water infrastructure alternatives analysis, 2021
- The Coronado News, the mayor’s corner on the Punta Bandera plant, August 2026
- Underground Infrastructure, river flows during the second collapse, June 2026
- KPBS on San Diego Coastkeeper’s report that the river is chronically polluted, September 2026
- RCAC on the trash boom, Tijuana’s dumpsites and unregulated workshops, February 2026
- RCAC, trash boom deployment and Tijuana dumpsites
- Representative Scott Peters on the December 2025 Minute 333 agreement
- San Diego Water Board, source control projects in Mexico, on the 171 dumpsites closed in 2011
- San Diego County beach water quality, and the 24-hour hotline on 619-338-2073
- San Diego County Beach and Bay Program, frequently asked questions
- San Diego County Air Pollution Control District, Tijuana River Valley air monitoring
- San Diego County, Tijuana River Valley and beach water sewage crisis: studies
- KPBS, San Diego County, CDC launch another Tijuana River health assessment, September 2026
- KPBS, New survey reveals more details about Tijuana River sewage crisis, July 2026
- San Diego State University, Health impacts in residents exposed to Tijuana River pollution, white paper, July 2025
- Science, Heavily polluted Tijuana River drives regional air quality crisis
- Public Health Challenges, Public health fallout from transboundary sewage exposure in the Tijuana River Valley, February 2026
- CalMatters, The Tijuana River is among the world's most polluted rivers, May 2026
- CalMatters, how students in this beach town cope with sewage pollution, March 2026
- San Diego County, CASPER community health assessment — survey dates, findings and resources
- San Diego County CAHAN advisory, September 2025 — 80% quality of life, 69% new or worsening symptoms
- Environmental Science & Technology, bacterial and chemical evidence of coastal water pollution in sea spray aerosol, 2023
- BMC Public Health, health symptoms and environmental perceptions from the Healthy Water Healthy Air Study, August 2026
- California State Parks, Tijuana Estuary
- NOAA, Tijuana River National Estuarine Research Reserve
- U.S. Fish and Wildlife Service, Tijuana Slough National Wildlife Refuge
- Ramsar Sites Information Service, Tijuana River National Estuarine Research Reserve
- Tijuana River National Estuarine Research Reserve, About the Tijuana Estuary
- 10News, Smuggler's Gulch cleanup — the upgrade is fully funded by the State Coastal Conservancy and in design
- Office of the Governor of California, $14.25 million for the Tijuana River pilot project, December 2024
- Science Advances, identifying wastewater chemicals in coastal aerosols, 2025
- IBWC planning summary, on storm flows past a billion gallons a day and when the pumps restart
- San Diego Water Board, the international wastewater treatment plant and the ocean outfall
- U.S. EPA, environmental assessment of the Tijuana River diversion rehabilitation, September 2021 — the utility's electricity and upkeep costs (page 8)
- Representative Scott Peters on the December 2025 Minute 333 agreement
- San Diego County, Board of Supervisors meeting agendas
- San Diego County, Comment at Board of Supervisors meetings
- San Diego County, eComment
- San Diego County, about board meetings — the listening line, the Clerk's number, and language assistance
- San Diego County, Voice your opinion on board items
- City of Imperial Beach, City Council meetings
- City of Imperial Beach, meeting information — written comments, the livestream, YouTube and Cox Channel 24
- City of Imperial Beach, September 16, 2026 City Council agenda — emailed comments no longer accepted, remote participation, the noon deadline
- City of Imperial Beach, Meeting Participation Guide — Zoom and phone, three minutes per item, interpreters
- San Diego Regional Water Quality Control Board, board meeting agendas
- San Diego Regional Water Quality Control Board, May 13, 2026 agenda — the second Wednesday at 9 a.m., and written comments by email
- San Diego Regional Water Quality Control Board, 2026 meeting dates, revised May 2026
- IBWC, San Diego Citizens Forum meetings
- IBWC, San Diego Citizens Forum meeting notice, June 2025
- Earth Island Institute, Alter Terra
- WILDCOAST, Los Laureles trash boom, 2022
- KPBS, WILDCOAST installs a second trash boom, October 2024
- Border Report, rising water levels stop crews removing debris from the trash boom
- RCAC, Imperial Beach project profile, 2026 — design, hauling costs and the funding runway
- San Diego Regional Water Quality Control Board, executive officer report, September 2024, on Minute 283, Minute 328, and CESPT
- San Diego Regional Water Quality Control Board, staff document, December 2024, on USIBWC infrastructure and CESPT
- IBWC, CILA pump station operations and notification protocol, on PB-CILA's origins and operation
- Times of San Diego, Fixes for the Tijuana sewage crisis are focused downstream, op-ed, May 2026
- California State Lands Commission, Tijuana River Valley transboundary pollution crisis, including the 2022 litigation settlement
- IBWC, Tijuana River updates, including Minute 333
- City of San Diego, regional leaders announce the Tijuana River Valley sewage litigation settlement, April 2022
- San Diego Regional Water Board, the 2022 settlement's seven-year reporting terms
- San Diego Regional Water Board, Cease and Desist Order R9-2025-0139 — also the source for the outfall's joint ownership
- USIBWC, partners celebrate the launch of the South Bay plant rehabilitation and expansion — jointly funded by USIBWC and EPA
- Coronado Times, IBWC provides an update on the fully funded treatment project, February 2025
- San Diego County, Beach and Bay water quality FAQ
- U.S. EPA, Tijuana River watershed: working with Mexico — the July 2025 agreement and the remaining $93 million of Minute 328 funds
- Coronado Times, U.S. and Mexico reach new agreement on Tijuana sewage crisis, July 2025 — construction in 2026 and 2027
- IBWC, Mexican IBWC resumes operations at PBCILA pumping station, April 2026
- IBWC, Tijuana sanitation utility suspends PB1 pump station, April 2026 — river flow with two PBCILA pumps online
- KPBS, San Diego County to explore treating Tijuana River sewage flows, September 2026
- KPBS, what to know about Measure B, October 2026 — the revenue estimate and the 22.5% river share
- San Diego County Taxpayers Association, November 2026 positions, August 2026
- U.S. EPA, announcement of Minute 333, December 2025
- USIBWC, letter to stakeholders on the April 4, 2025 tour of the San Antonio de los Buenos plant, April 2025
- Times of San Diego, Imperial Beach coastline closed over sewage contamination, September 2026
- KPBS, 861 closure days since the start of 2023, on county figures, July 2025
- Surfline, more than 1,000 unbroken closure days at the south end, October 2024
Still to be linked
These are cited on the site but do not yet have a link recorded. They show a [Link] marker wherever they appear until one is added.
Figures are approximate averages drawn from public reports as of September 2026. Conditions change quickly, so check the linked sources for the latest.