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

COUNTY WATER-SYSTEM LEDGER

Johnson, Missouri

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

Systems8active CWS · pop. 2,500+
Population served62,252reported total; may overlap
Current violation flag12.5%1 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Johnson

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 WarrensburgMO101083318,500Ground waterNo current violation flagged
Johnson County PWSd 2MO102431012,490Ground waterNo current violation flagged
Whiteman Air BaseMO107950110,106Ground waterNo current violation flagged
Laf Jo Saline County Cons PWSd 2MO10243267,180Surface water purchasedNo current violation flagged
Johnson County PWSd 3MO10243114,700Ground waterNo current violation flagged
Johnson County PWSd 1MO10243093,730Ground waterCurrent monitoring/reporting flag
Knob Noster PWSMO10104322,863Ground waterNo current violation flagged
Holden PWSMO10103712,683Surface waterNo current violation flagged

02 / SOURCE MIX

Ground water6 systems · 52,389 served
Surface water purchased1 systems · 7,180 served
Surface water1 systems · 2,683 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.