Waukesha County, Wisconsin Water Systems

Waukesha County, Wisconsin

171 community water systems on record — 73 active, 98 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 Wisconsin’s official records. Always confirm current status with Wisconsin before making decisions based on this information.

Community water systems in Waukesha County, Wisconsin

System name	City	Population served	Status
ALLEMANDE MEADOWS WATER ASSN	BROOKFIELD	25	Inactive
ALLEMANDE WATER ASSOC MIDDLE	BROOKFIELD	25	Inactive
ANITA TILTON WATER TRUST	BROOKFIELD	25	Inactive
APARTMENTS OF STONERIDGE	PEWAUKEE	75	Active
ARBORS	DELAFIELD	280	Active
BRANDYBROOK SUBDIVISION	WALES	474	Active
BROOKFIELD HILLS	Hales Corners	1,200	Inactive
BROOKFIELD WATER UTILITY	Brookfield	29,070	Active
BROOKFIELD ZONE 2 CARRIAGE HILLS	BROOKFIELD	1,550	Inactive
BROOKFIELD ZONE 2 DOMINIC HGTS	BROOKFIELD	1,961	Inactive
BROOKFIELD ZONE 3 ARROWHEAD & STONEBROOK	BROOKFIELD	285	Inactive
BROOKFIELD ZONE 3 MISSION HGTS	BROOKFIELD	7,136	Inactive
BROOKFILED WATER UTILITY -VENICE CLUB	BROOKFIELD	105	Inactive
BUTLER WATERWORKS	BUTLER	2,181	Active
CAMBRIDGE PLACE OF DELAFIELD	OCONOMOWOC	50	Active
CARRIAGE HILLS CONDOMINIUMS	BROOKFIELD	50	Active
CHAMPIONS VILLAGE SUBD	MILWAUKEE	200	Inactive
CHESTER HILL WATER SYSTEM	MUSKEGO	25	Inactive
CHESTER HILL WATER SYSTEM	MUSKEGO	25	Inactive
CITY OF PEWAUKEE WATER & SEWER UTILITY -	PEWAUKEE	1,708	Inactive
CONGREGATIONAL HOME	Brookfield	372	Inactive
COUNTRY AIRE APARTMENTS 1	BROOKFIELD	120	Inactive
COUNTRY AIRE APARTMENTS 2	DELAFIELD	90	Active
COUNTRY AIRE APARTMENTS 3	DELAFIELD	80	Active
COUNTRY AIRE APARTMENTS 8	BROOKFIELD	25	Inactive
COUNTRY AIRE CONDOS 4821	PEWAUKEE	40	Active
COUNTRY AIRE CONDOS 4835	PEWAUKEE	40	Active
COUNTRY AIRE CONDOS 4875	PEWAUKEE	40	Active
COUNTRY AIRE CONDOS 4887	PEWAUKEE	40	Active
COUNTRY COURT SUBDIVISION	BROOKFIELD	45	Active
DELAFIELD LAKES 402	MADISON	50	Active
DELAFIELD LAKES 404	MADISON	25	Active
DELAFIELD SQUARE	PEWAUKEE	587	Active
DELAFIELD WATERWORKS	Delafield	300	Active
DELAFIELD WOODS 411	MADISON	28	Active
DELAFIELD WOODS 828	MADISON	26	Active
DENOON POINT ESTATES	MUSKEGO	25	Inactive
DOUGLAS PLAZA NORTH	WAUKESHA	30	Active
DOUGLAS PLAZA SOUTH	WAUKESHA	62	Active
DOUSMAN WATER UTILITY	Dousman	2,350	Active
DURHAM MEADOWS WATER TRUST	MUSKEGO	700	Active
EAGLE WATERWORKS	EAGLE	1,950	Active
ELM GROVE TERRACE	MEQUON	75	Active
ELMS CONDOMINIUM ASSOCIATION	ELM GROVE	18	Inactive
EMERALD WOODS CONDOS	MILWAUKEE	150	Active
ETHAN ALLEN SCHOOL	Wales	15	Inactive
EVERGREENS	PEWAUKEE	40	Active
FREEDOM SQUARE CONDOMINIUM ASSOC	BROOKFIELD	350	Inactive
GENESEE LAKE SCHOOL NORTH	OCONOMOWOC	110	Active
GENESEE LAKE SCHOOL SOUTH	OCONOMOWOC	230	Active
GREEN RIDGE GLENDALE	NEW BERLIN	2,732	Inactive
GUERNSEY MEADOWS WATER UTILITY	MUSKEGO	25	Inactive
HALE PARK MEADOWS	MUSKEGO	720	Active
HARTLAND WATERWORKS	HARTLAND	9,212	Active
HEAVEN CITY	MUKWONAGO	106	Active
HIAWATHA 13 WELL ASSOCIATION	MENOMONEE FALLS	25	Inactive
HIAWATHA ESTATES WATER TRUST	MENOMONEE FALLS	25	Inactive
HIDDEN POND COURT HOMEOWNERS ASSOCIATION	BROOKFIELD	24	Inactive
HIGHVIEW SUBDIVISION	NEW BERLIN	25	Inactive
HILLS OF WALES APTS	DOUSMAN	50	Active
J RS RESORT	MUKWONAGO	25	Inactive
KNOLLCREST	MIDDLETON	66	Active
KRISTEN DOWNS SUBDIVISION	MUSKEGO	90	Inactive
LAD LAKE	Dousman	180	Active
LAKE COUNTRY APARTMENTS	MEQUON	84	Active
LAKE DRIVE WATER TRUST	WAUKESHA	500	Active
LAKE LORE WATER TRUST	MUSKEGO	400	Inactive
LAKE MEADOWS WATER TRUST	WAUKESHA	750	Active
LAKEWOOD MEADOWS SUBD WATER ASSOC	MUSKEGO	60	Inactive
LANNON ESTATES MHP	MENONMONIE FALLS	300	Inactive
LANNON MHP 2	GREENFIELD	25	Inactive
LANNON WATER UTILITY	LANNON	172	Active
LINCOLNSHIRE PLACE	PEWAUKEE	100	Active
LOOKOUT DRIVE WATER ASSOC	WAUKESHA	28	Inactive
LYNDALE WATER COOP	BROOKFIELD	250	Inactive
MARCY MEADOWS COMMUNITY WELL	MENOMONEE FALLS	24	Inactive
MARIAN HEIGHTS SUBDIVISION	ELM GROVE	400	Active
MARLAN MEADOWS HOMEOWNERS ASSOC	MUSKEGO	210	Active
MEADOWS OF THE GROVE	ELM GROVE	66	Inactive
MENOMONEE FALLS WW - GROUNDWATER	MENOMONEE FALLS	1,796	Active
MENOMONEE FALLS WW - SURFACE WATER	MENOMONEE FALLS	23,867	Active
MIDLAND PLACE WATER TRUST	BROOKFIELD	25	Inactive
MINEOLA WATER TRUST 1	MENOMONEE FALLS	25	Inactive
MINEOLA WATER TRUST 2	MENOMONEE FALLS	25	Inactive
MISSION LAKES I	WAUWATOSA	22	Inactive
MISSION LAKES II	MILWAUKEE	68	Active
MONTEREY PARK WATER SYSTEM	NEW BERLIN	150	Inactive
MUKWONAGO WATERWORKS	MUKWONAGO	8,190	Active
MUSKEGO LAKE AIRE APARTMENTS	OCONOMOWOC	35	Active
MUSKEGO NURSING HOME	MUSKEGO	48	Inactive
MUSKEGO WATER UTILITY	MUSKEGO	8,150	Active
NASHOTAH HOUSE	DELAFIELD	350	Active
NEUFELD APARTMENTS	MILWAUKEE	25	Inactive
NEW BERLIN WATER UTILITY	NEW BERLIN	27,899	Active
NORHARDT APARTMENTS 1	BROOKFIELD	25	Inactive
NORHARDT APTS	MILWAUKEE	75	Inactive
NORMANDALE WATER TRUST	MENOMONEE FALLS	25	Inactive
NORRIS INC	MUKWONAGO	141	Active
NORTH HILLS DRIVE TOWNHOUSES	BROOKFIELD	75	Inactive
NORWAUK WATER TRUST #1	COLGATE	25	Inactive
NORWAUK WATER TRUST #2	COLGATE	25	Inactive
NORWAUK WATER TRUST #3	COLGATE	25	Inactive
NOTRE DAME OF ELM GROVE	ELM GROVE	262	Inactive
OAKTON BEACH	HALES CORNERS	144	Active
OCONOMOWOC WATERWORKS	Oconomowoc	15,805	Active
ORTH ESTATE - ELM GROVE	—	24	Inactive
OZANAM HOME	NEW BERLIN	29	Inactive
PARC VUE APTS	ELM GROVE	60	Inactive
PARK AT ELM GROVE	Elm Grove	85	Inactive
PARQUELYNN VILLAGE	NASHOTAH	450	Active
PEWAUKEE CITY WATER & SEWER UTILITY - HIGHLAND COOP	Pewaukee	0	Inactive
PEWAUKEE CITY WATER AND SEWER UTILITY	PEWAUKEE	8,671	Active
PEWAUKEE VILLAGE WATERWORKS	PEWAUKEE	8,166	Active
PHEASANT MEADOWS APTS	Pewaukee	30	Inactive
PILGRIM MEADOWS	BROOKFIELD	25	Inactive
PILGRIM MEADOWS 6	BROOKFIELD	25	Inactive
PILGRIM MEADOWS 8	BROOKFIELD	25	Inactive
PILGRIM MEADOWS 9	BROOKFIELD	26	Inactive
PILGRIM MEADOWS ADDITION	BROOKFIELD	25	Inactive
PIONEER CENTRE	MUSKEGO	140	Active
POCAHONTAS WATER TRUST	MENOMONEE FALLS	25	Inactive
POCMIN WATER TRUST	MENOMONEE FALLS	25	Inactive
PRAIRIE VILLAGE WATER TRUST	NORTH PRAIRIE	2,100	Active
QUAIL HOLLOW CONDOS	NEW BERLIN	30	Active
RED CLOUD CT WATER TRUST	MENOMONEE FALLS	25	Inactive
REDEMPTORIST FATHERS NOVITIATE	OCONOMOWOC	25	Inactive
RIP VAN WINKLE 10	WAUKESHA	29	Inactive
RIP VAN WINKLE 7	WAUKESHA	30	Inactive
RIP VAN WINKLE 9	WAUKESHA	30	Inactive
RITTERS INN	SUSSEX	25	Inactive
RIVERVIEW CONDO #1	DELAFIELD	25	Inactive
RIVERVIEW CONDO #2	DELAFIELD	25	Inactive
RIVERVIEW MANOR	MENOMONEE FALLS	144	Inactive
SANCTUARY OF DELAFIELD	DELAFIELD	27	Active
SCHOENSTATT SISTERS OF MARY	WAUKESHA	80	Active
SILVER SPRING TERRACE	MENOMONEE FALLS	160	Inactive
SQUIRES GROVE	ELM GROVE	410	Active
ST ELIZABETH NURSING HOME	BROOKFIELD	25	Inactive
ST JOHNS NORTHWESTERN ACADEMIES	DELAFIELD	340	Active
STONEBANK M H P	OCONOMOWOC	25	Inactive
STONEY CREEK ADULT COMMUNITY	Muskego	95	Active
SUNNYFIELD ACRES	OCONOMOWOC	300	Active
SUNSET SLOPE WATER TRUST	BROOKFIELD	25	Inactive
SUSSEX VILLAGE HALL & WATER UTILITY	Sussex	11,750	Active
TEAL RIDGE CONDOMINIUMS	BROOKFIELD	25	Inactive
THORNAPPLE HILL WATER TRUST	NEW BERLIN	25	Inactive
TOWN OF BROOKFIELD SAN DIST #3	WAUKESHA	25	Inactive
TOWN OF BROOKFIELD SAN DIST 4	BROOKFIELD	6,419	Active
VILLAGER APTS	HALES CORNERS	0	Inactive
W ALLIS VIEW WATER TRUST 1	NEW BERLIN	25	Inactive
W ALLIS VIEW WATER TRUST 2	NEW BERLIN	25	Inactive
W ALLIS VIEW WATER TRUST 3	NEW BERLIN	25	Inactive
W ALLIS VIEW WATER TRUST 4	NEW BERLIN	25	Inactive
W ALLIS VIEW WATER TRUST 6	NEW BERLIN	25	Inactive
W ALLIS VIEW WATER TRUST 7	NEW BERLIN	30	Inactive
W ALLIS VIEW WATER TRUST 9	NEW BERLIN	25	Inactive
WATERMARK CONDOMINIUMS	MILWAUKEE	25	Inactive
WAUKESHA WATER UTILITY	WAUKESHA	70,718	Active
WELLS ST STATION 425 WEST	DELAFIELD	25	Active
WELLS ST STATION 435 EAST	DELAFIELD	25	Active
WESTCHESTER WATER COOP 1	BROOKFIELD	200	Inactive
WESTCHESTER WATER COOP 2	BROOKFIELD	25	Inactive
WESTFIELD WATER COOP	BROOKFIELD	70	Inactive
WHISPERING RIDGE CONDOMINIUMS	SUSSEX	72	Inactive
WILDERNESS COURT CONDOS	BROOKFIELD	25	Inactive
WILLOW GLEN APARTMENTS	MEQUON	80	Active
WILLOW SPRINGS MHP 2 & 3	Barrington	446	Active
WILLOW SPRINGS MHP 3	Barrington	150	Inactive
WIMMER BROTHERS APTS WEST	HALES CORNERS	60	Inactive
WISCONSIN MASONIC HOME INC	DOUSMAN	130	Inactive
WOODLAND HEALTH CENTER	BROOKFIELD	226	Inactive