Drinking Water

WCHD has water sample bottles available for the testing of residential well water systems as requested by residents. Water samples are analyzed by the Wisconsin State Lab of Hygiene for bacteria, nitrates, arsenic, fluoride, and metals. EH staff consult with home owners, clients, and other partner agencies to assure safe water supplies for all county residents.

Transient Non-Community (TNC) Public Water Systems

EH staff tests, inspects, and monitors public water systems that serve at least 25 patrons 60 days per year in Winnebago County. Such systems include: bars, restaurants, retail stores, churches, parks, and other water systems not served by municipal water systems.  WCHD provides this service under contract with the Wisconsin Department of Natural Resources. 

Public Water System Owners and Operators