Johnson County, Missouri Water Systems

Johnson County, Missouri

26 community water systems on record — 16 active, 10 inactive.

Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Missouri’s official records. Always confirm current status with Missouri before making decisions based on this information.

Community water systems in Johnson County, Missouri

System name	City	Population served	Status
CENTERVIEW PWS	CENTERVIEW	272	Active
CHILHOWEE PWS	CHILHOWEE	382	Active
CONFLUENCE RIVERS M & M MHP WTP	DES PERES	100	Active
COUNTRY ACRES SUBD	KNOB NOSTER	130	Active
COUNTRY AIRE ESTATES	WARRENSBURG	30	Inactive
FORREST TRAILS ESTATES	SEDALIA	25	Inactive
HAZEL HILL MHP	WARRENSBURG	45	Inactive
HOLDEN PWS	HOLDEN	2,683	Active
JOHNSON COUNTY PWSD 1	WARRENSBURG	3,730	Active
JOHNSON COUNTY PWSD 2	HOLDEN	12,490	Active
JOHNSON COUNTY PWSD 3	WARRENSBURG	4,700	Active
KINGSVILLE PWS	KINGSVILLE	345	Active
KNOB NOSTER PWS	KNOB NOSTER	2,863	Active
KNOB NOSTER TRAILER PARK	KNOB NOSTER	150	Inactive
LAF JO SALINE COUNTY CONS PWSD 2	HIGGINSVILLE	7,180	Active
LAKEWOOD MHP	KNOB NOSTER	138	Inactive
LEETON PWS	LEETON	601	Active
MO AMERICAN EAST WARRENSBURG	JOPLIN	335	Active
MO AMERICAN WARRENSBURG	JOPLIN	18,500	Active
OAK GROVE ESTATES	KNOB NOSTER	75	Inactive
PEMBROOKE PARK	GARWOOD	120	Inactive
PETTIS/JOHNSON/SALINE PWSD 1	CONCORDIA	1,000	Active
SKYHAVEN MHP	CENTERVIEW	30	Inactive
VILLAGE AT WHITEMAN	WARRENSBURG	237	Inactive
WHITEMAN AIR BASE	WHITEMAN AFB	10,106	Active
WHITEMAN MHP	KNOB NOSTER	32	Inactive