Olmsted County, Minnesota Water Systems

Olmsted County, Minnesota

31 community water systems on record — 18 active, 13 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 Minnesota’s official records. Always confirm current status with Minnesota before making decisions based on this information.

Community water systems in Olmsted County, Minnesota

System name	City	Population served	Status
Briarwood Subdivision	Rochester	90	Active
Byron	Byron	6,312	Active
Chester Heights	Rochester	300	Active
Chosen Valley Mobile Home Park	Minneapolis	73	Active
Clearwater Well Company	Oronoco	65	Active
Country Home Trailer Park	Rochester	56	Active
Dover	Dover	792	Active
Eyota	Eyota	2,043	Active
FOREST HILLS SUBDIVISION	ROCHESTER	180	Inactive
Hallmark Terrace Mobile Home Park	Rochester	170	Active
HIAWATHA MOBILE HOME PARK	STEWARTVILLE	53	Inactive
Kings Park - Hyland Addition	Oronoco	40	Active
Lenwood Heights	Rochester	185	Inactive
Meadowbrook Addition	Rochester	125	Active
MERRIHILLS	ROCHESTER	94	Inactive
Olmsted County Waste-to-Energy	Rochester	967	Inactive
Oronoco	Oronoco	2,040	Active
Oronoco Estates MHC	Chicago	505	Active
Osjor Well Corporation	Rochester	160	Inactive
PEOPLES COOP	ROCHESTER	1,500	Inactive
River Park Development	Elgin	25	Inactive
Riverwood Hills	Rochester	180	Inactive
Rochester	Rochester	123,624	Active
Sandy Slopes Community	Rochester	158	Active
Stewartville	Stewartville	6,850	Active
SUNNY SLOPES WATER ASSOCIATION	ROCHESTER	30	Inactive
Sunrise Mobile Home Park	Rochester	50	Active
WILLOW HEIGHTS SUBDIVISION	ROCHESTER TOWNSHIP	250	Inactive
WINDSOR CHASE SUBDIVISION	ROCHESTER	50	Inactive
WINDSOR HILLS FIRST ADDITION	ROCHESTER	30	Inactive
Zumbro Ridge Estates	Rochester	270	Active