Jefferson City

Jefferson City, MO receives a water quality score of 85/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 5 public water systems serving the area.

Jefferson City's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.

Jefferson City's score of 85 is 7 points above the Missouri state average of 78, and above the nationwide average of roughly 78/100 across all U.S. states.

For prospective homebuyers looking at Jefferson City, this mid-size Missouri community offers drinking water that maintains a generally solid and reliable standard. Because the city is situated in the Midwest, right at the confluence of the Mississippi and Missouri rivers amidst agricultural plains, its multiple water systems operate in a landscape shaped by these major waterways and farming regions. While residents can expect above-average quality overall, the presence of several distinct distribution systems suggests that checking the specific network serving a potential property is a practical step.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Missouri water quality rankings report →