Project tracker: every fix and where it stands

The major projects on both sides of the border, who's responsible, what they cost, and when they're due. Each row shows when its status was last checked against official updates.

Get monthly updates
Last updated Reviewed by Stacy WillisSummarized from public sources with the help of AIHow this site is made
Filter projects

16 projects. Select a project for its detail page.

ProjectSideResponsibleStatusTargetFundingLast verified
Effluent diversion from upstream plants, 10 MGDMexicoMexican agenciesFunded or underwayMid to late 2027$16 million, phase 1
Maintenance funding accountBothU.S.–Mexico work groupProposed, not fundedRecommendations due December 2026Not funded
Matadero Canyon sediment basinMexicoMexican agenciesDoneFinished May 2026Mexican funds
Mexico's 2026 sewer repairsMexicoCESPT and Mexican federal agenciesFunded or underwayInterceptor and Carranza rehabilitations December 2026; Insurgentes Collector July 2027; pump stations to start December 2026Mexico obligated $59 million in 2026, above its $46 million commitment
Parallel gravity line rehabilitationMexicoMexican agenciesDoneCompleted August 2026$8.9 million
Pump Station 1 rebuild, 80 MGDMexicoMexican agenciesFunded or underwayNovember 2027U.S. grant funds released
Punta Bandera outfall and expansion to 43 MGDMexicoU.S.–Mexico working groupProposed, not fundedUnder studyNot funded
San Antonio de los Buenos plant rebuild, 18 MGDMexicoCESPT and Mexican agenciesDoneBack in operation by April 2025Mexican funds
Saturn Boulevard culvert fixU.S.San Diego CountyFunded or underwayInterim pipe extension, construction expected 2027$2.5 million interim; $4 million to design the permanent fix; ~$25 million construction unfunded
Smuggler's Gulch improvementsU.S.San Diego CountyFunded or underwayIn designFunded by the Coastal Conservancy
South Bay plant expansion to 50 MGDU.S.USIBWCFunded or underway2027 to 2031About $600 million, fully funded
South Bay plant interim expansion, 35 MGDU.S.USIBWCDoneFinished August 28, 2025Federal (USIBWC and EPA)
Tecolote–La Gloria plant, 3 MGDMexicoState of Baja CaliforniaProposed, not fundedDecember 2028Committed under Minute 333; no funding source reported
Tijuana River Gates, 5 MGDMexicoMexican agenciesFunded or underwayPhase 1 past its mid-July 2026 target, 8 of 11 segments done; Phase 2 under construction; full project early 2027Phase 1 Mexican funds; U.S. grant funds released 2026
Trash boom in the riverU.S.Alter Terra and RCACFunded or underwayFunded through 2026–27$4.7 million plus $2 million
U.S. river diversion and treatmentU.S.San Diego CountyProposed, not fundedDepends on November 2026 vote$1.8 million for an 18-month first-phase study

MGD means million gallons per day. Statuses are my judgment from the latest public reporting. How statuses are judged. Spot something out of date? Send a correction.