Washington County, Kansas Water Systems

Washington County, Kansas

20 community water systems on record — 12 active, 8 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 Washington County, Kansas

System name	City	Population served	Status
BARNES, CITY OF	BARNES	161	Active
CLIFTON, CITY OF	CLIFTON	455	Active
COLWICH HEALTH CENTER	COLWICH	0	Inactive
GREENLEAF, CITY OF	GREENLEAF	347	Active
HADDAM, CITY OF	HADDAM	109	Active
HANOVER, CITY OF	HANOVER	689	Active
HOLLENBERG, CITY OF	HOLLENBERG	0	Inactive
KPL JEFFREY ENERGY CENTER	SAINT MARYS	302	Inactive
LINN, CITY OF	LINN	382	Active
MAHASKA, CITY OF	MAHASKA	44	Active
MARSHALL CO RWD 2	MARYSVILLE	0	Inactive
MORROWVILLE, CITY OF	MORROWVILLE	115	Active
PALMER, CITY OF	PALMER	125	Active
ROLLING MEADOWS MOBILE HOME COURT	MAIZE	0	Inactive
SHAWNEE CO RWD 6	TOPEKA	1,500	Inactive
SHAWNEE CO RWD 7	WAKARUSA	0	Inactive
SUNFLOWER VILLAGE MOBILE HOME PARK	WICHITA	74	Inactive
WASHINGTON CO RWD 1	HANOVER	1,093	Active
WASHINGTON CO RWD 2	PALMER	673	Active
WASHINGTON, CITY OF	WASHINGTON	1,065	Active