Law Enforcement


Help Protect Wildlife - Report Violations

If you see something, say something!

In the event of a True Emergency dial 9-1-1

San Luis National Wildlife Refuge Complex – Headquarters for San Luis NWR, Merced NWR, and San Joaquin River NWR: (209) 826-3508.

7 days a week, 8am-4:30pm, closed Federal Holidays

State of California Hotline for Poaching and Polluting: 1-888-334-CalTIP (888-334-2258)

Anyone with a cell phone may send an anonymous tip by texting "CALTIP", followed by a space and the message, to 847411 (tip411).)  24 hours a day, 7 days a week  

Federal Nationwide Hotline for Prohibited Activities on National Wildlife Refuges (Refuges ONLY): 1-844-FWS-TIPS (397-8477) or email FWS_TIPS@FWS.GOV

24 hours a day, 7 days a week

*Please be prepared to provide specific incident details (who, what, where, when, why, how) including but not limited to date, time, location, description of witnessed violation, suspect, vehicle and license plate.

The National Wildlife Refuge System maintains a law enforcement presence. For more information about the Refuge Law Enforcement Program visit: