The Orange County Mosquito and Vector Control District (OCMVCD) is 1 of over 100 agencies state-wide specifically dedicated to protecting public health by controlling rats, flies, mosquitoes, fire ants and other vector related problems. The OCMVCD provides service to all of Orange County. If you are experiencing vector-related problems, or for more information, contact OCMVCD or visit their website at www.ocvector.org/.