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Monitoring location 103 N15 E20 11BCBC1 City of Carson Obs Well 40 - USGS-391052119424701
Important for you to know:
- Big changes are coming soon to NWISWeb websites and services. Attend our webinar, January 15, 2026 at 2:00 PM EST, to learn about the impacts. Learn more about our modernization plans and timeline.