Clark County, South Dakota Water Systems

Clark County, South Dakota

12 community water systems on record — 8 active, 4 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 South Dakota’s official records. Always confirm current status with South Dakota before making decisions based on this information.

Community water systems in Clark County, South Dakota

System name	City	Population served	Status
BRADLEY	BRADLEY	72	Inactive
CLARK	CLARK	1,148	Active
CLARK COLONY	RAYMOND	97	Inactive
CLARK RURAL WATER SYSTEM	CLARK	2,325	Active
COLLINS COLONY	IROQUOIS	95	Active
FORDHAM COLONY	CARPENTER	142	Active
GARDEN CITY	GARDEN CITY	33	Active
HILLCREST COLONY	GARDEN CITY	90	Inactive
RAYMOND	RAYMOND	53	Inactive
SHAMROCK COLONY	CARPENTER	75	Active
SIOUX RURAL WATER SYSTEM	WATERTOWN	4,280	Active
WILLOW LAKE	WILLOW LAKE	255	Active