Johnson County, Kansas Water Systems

Johnson County, Kansas

23 community water systems on record — 7 active, 16 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 Kansas’s official records. Always confirm current status with Kansas before making decisions based on this information.

Community water systems in Johnson County, Kansas

System name	City	Population served	Status
BURNING TREE VILLAS HOME ASSOC	OLATHE	46	Inactive
CLEARVIEW CITY, CITY OF	DESOTO	450	Active
DESOTO, CITY OF	DESOTO	4,645	Active
DESOTO, CITY OF SFAAP	DESOTO	0	Inactive
EDGERTON, CITY OF	EDGERTON	1,741	Active
GARDNER, CITY OF	GARDNER	23,942	Active
JOHNSON CO RWD 02	STANLEY	0	Inactive
JOHNSON CO RWD 03	OLATHE	0	Inactive
JOHNSON CO RWD 04	OLATHE	398	Inactive
JOHNSON CO RWD 05	OLATHE	0	Inactive
JOHNSON CO RWD 06A	KS8201193	126	Inactive
JOHNSON CO RWD 1	DESOTO	1,900	Inactive
JOHNSON CO RWD 6C	DE SOTO	0	Inactive
JOHNSON CO RWD 7	GARDNER	6,457	Active
KANSAS WATER COMPANY	PRAIRIE VILLAGE	0	Inactive
LAKE QUIVIRA	KANSAS CITY	1,009	Inactive
LENEXA	LENEXA	7,000	Inactive
OLATHE, CITY OF	OLATHE	143,014	Active
ROLLIN HOMES PARK	GARDNER	2,609	Inactive
SELECTIVE MOBILE GARDENS	EDGERTON	75	Inactive
SPRING HILL, CITY OF	SPRING HILL	0	Inactive
WATER DISTRICT 1 OF JOHNSON CO	KANSAS CITY	490,000	Active
WESTPORT ANNEX	SHAWNEE MISSION	204	Inactive