Regular Meeting of the Board of Supervisors, May 20, 2026
Approves Oso Wash E. coli Remediation Project IGA with ADEQ, unanimous (3-0)
What happened
The Santa Cruz County Board of Supervisors approved an intergovernmental agreement with Arizona DEQ for the Oso Wash E. coli remediation project, allocating $36,000 for phase one engineering and design services to address cross-border wastewater contamination from Nogales, Sonora…
- Jurisdiction
- Santa Cruz County, AZ
- Governing body
- Final authority
- Date
- May 20, 2026
- Decisions
- 3 zoning decisions
- Outcome
- Approved, unanimous (3-0)
Free sample: decision 1 of 3
Oso Wash E. coli Remediation Project IGA with ADEQ
Approved intergovernmental agreement EV26 with Arizona Department of Environmental Quality for Oso Wash (Brickwood Canyon) E. coli remediation project phase one engineering and design services. ADEQ provides $20,000 reimbursement with county match of $16,220 for total $36,000 concept design. Project addresses contaminated effluent crossing from overloaded Nogales, Sonora water treatment plant.
- Effective through May 19, 2027; design will be used to pursue additional funding for estimated $2 million final project
The other decisions are listed below by title. The full write-up, verbatim conditions, and the audio at each vote are in Pro.
Meeting Summary
The Santa Cruz County Board of Supervisors approved an intergovernmental agreement with Arizona DEQ for the Oso Wash E. coli remediation project, allocating $36,000 for phase one engineering and design services to address cross-border wastewater contamination from Nogales, Sonora…
Key Decisions (3)
Oso Wash E. coli Remediation Project IGA with ADEQ
Library Services IGA Extension with City of Nogales
Consent Agenda Items
Development Activity (3)
Oso Wash E. coli Remediation Project
Infrastructure
West Frontage Road/Peck Canyon Enhancements
Infrastructure
Camino Romanote Roundabout Safety Improvements
Infrastructure
Market Signals (5)
Infrastructure
Cross-border wastewater contamination from Nogales, Sonora's over-capacity treatment plant is…
Infrastructure
Southern Arizona Regional Broadband Feasibility Study identifies significant last-mile fiber…
Commercial Demand
County actively pursuing film industry development with Arizona Commerce Authority…
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