EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records

CITY WATER-SYSTEM LEDGER

Jefferson City, Missouri

Compare active community water systems serving this city in EPA's public export. Systems can serve multiple places, so population totals may overlap.

Systems3active CWS · pop. 2,500+
Population served59,730reported total; may overlap
Current violation flag33.3%1 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Jefferson City

Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.

Water systemPopulation servedPrimary sourceCurrent export status
Mo American Jefferson City DistrictMO301040930,075Surface waterNo current violation flagged
Cole County PWSd 1MO302415916,548Ground waterCurrent monitoring/reporting flag
Cole County PWSd 2MO302416013,107Ground waterNo current violation flagged

02 / SOURCE MIX

Surface water1 systems · 30,075 served
Ground water2 systems · 29,655 served
How to read the population total

It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.