Provides inspection and licensing of restaurants and other establishments serving food to the public. Plan, review, and approve small public water systems. Bacteriological water sample testing. Assistance with problems on private wells and community systems. License water system designers. Investigate all cases of environmentally spread communicable disease. Inspect public and semi-private swimming pools, hot tubs, and beaches. Inspect schools. License and inspect disposal sites. Monitor ground water and surface waters.  Investigate animal bites for rabies control. Offer advice for eradication of rodents and insects. Investigate Lyme disease and Hantavirus.