Some labs also analyze drinking water for metals, minerals, pesticides and other organic substances.
The county health department in each county offers a water testing service. The services offered and the cost vary from county to county. The samples collected by the county sanitarians are analyzed at state health labs or at certain private laboratories under contract with the county health department. Check with the county sanitarian for details. Although not certified for drinking water, the laboratory offers a complete range of water analyses for horticultural and animal production enterprises.