Jefferson County, Missouri Water Systems

Jefferson County, Missouri

107 community water systems on record — 69 active, 38 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 Missouri’s official records. Always confirm current status with Missouri before making decisions based on this information.

Community water systems in Jefferson County, Missouri

System name	City	Population served	Status
ANTIRE VALLEY ESTATES	HIGH RIDGE	36	Inactive
ANTIRE VALLEY SUBD	HIGH RIDGE	260	Active
ARROWHEAD SUBD	HILLSBORO	35	Inactive
BAISCH NURSING CENTER	DESOTO	80	Active
BIG VALLEY COURT	FENTON	23	Active
BLOCK SIX WATER ASSN	PACIFIC	50	Active
BRIARWOOD ESTATES-ERROR-SEE MO	ARNOLD	25	Inactive
BRIARWOOD UTILITIES	DESOTO	210	Active
BROOKSHIRE VILLAGE MHP	HOUSE SPRINGS	800	Inactive
CASTLE ACRES NURSING HOME	HILLSBORO	29	Inactive
CEDAR HEIGHTS SUBD ANNEX 1	CEDAR HILL	80	Inactive
CEDAR HILL ESTATES WATER	AURORA	490	Active
CEDAR HILL LAKES VILLAGE	PACIFIC	65	Active
COLEMAN APTS	HIGH RIDGE	40	Inactive
COLLEGE MHP	BALLWIN	90	Inactive
COUNTRY AIRE ESTATES	DE SOTO	30	Active
COUNTRY AIRE RESIDENTAL CARE	DESOTO	30	Inactive
COVERED WAGON MHP	BARNHART	50	Inactive
CRYSTAL CITY PWS	CRYSTAL CITY	4,733	Active
CRYSTAL COVE MHP	FESTUS	40	Active
DESOTO PWS	DE SOTO	6,400	Active
FAIRWAYS WATER AND SEWER ASSN	PACIFIC	150	Active
FENNEC FOX WAY LLC	O FALLON	70	Active
FESTUS PWS	FESTUS	12,054	Active
FICKEN HILL SUBD	CEDAR HILL	25	Active
FOREST HILL MHP	DITTMER	30	Inactive
FRONTIER ESTATES	FENTON	120	Active
GLENOMA MHP	PEVELY	71	Inactive
GOLDEN ACRES MOBILE HOME COURT	CREVE COEUR	40	Inactive
GREEN ACRES MHP	ST. LOUIS	65	Inactive
GREENFIELD MANOR MHP	CHARLOTTE	307	Active
GRUBVILLE MOBILE HOME COURT	DITTMER	25	Inactive
HERCULANEUM PWS	HERCULANEUM	4,227	Active
HIGH RIDGE MANOR SUBD	AURORA	175	Active
HILL VIEW ACRES	HOUSE SPRINGS	28	Inactive
HILLSBORO PWS	HILLSBORO	3,000	Active
HOUSE SPRINGS APT	HOUSE SPRINGS	48	Active
HUNTERS GLEN	PEVELY	240	Active
JCPSD SUMMER SET	HILLSBORO	1,080	Active
JEFFCO MHP	CHARLOTTE	310	Active
JEFFERSON CO CONS PWSD C 1	BARNHART	37,000	Active
JEFFERSON CO PWSD 8	CEDAR HILL	4,733	Active
JEFFERSON CO PWSD # 5 LAKE V	DE SOTO	98	Inactive
JEFFERSON CO PWSD # 5 WEST	DE SOTO	1,100	Inactive
JEFFERSON COUNTY PWSD 5	DE SOTO	8,000	Active
JEFFERSON COUNTY PWSD 7	HILLSBORO	6,100	Active
JEFFERSON COUNTY PWSD 1	ARNOLD	21,113	Active
JEFFERSON COUNTY PWSD 10	IMPERIAL	10,000	Active
JEFFERSON COUNTY PWSD 12	FESTUS	3,300	Active
JEFFERSON COUNTY PWSD 2	EUREKA	16,548	Active
JEFFERSON COUNTY PWSD 3	ARNOLD	17,000	Active
JEFFERSON COUNTY PWSD 6	HOUSE SPRINGS	7,500	Active
JEFFERSON COUNTY WATER AUTHORITY	FESTUS	25	Active
JEFFERSON HEIGHTS TERRAC	HOUSE SPRINGS	70	Inactive
LACAL TRAILER COURT	HILLSBORO	150	Inactive
LAKE ADELLE SUBD	CEDAR HILL	380	Active
LAKE FOREST PROPERTIES	FENTON	33	Inactive
LAKE LORRAINE WATER CO	HILLSBORO	230	Active
LAKE MONTOWESE	HOUSE SPRINGS	0	Inactive
LAKEHURST MHP	HIGH RIDGE	70	Active
LAKESIDE MANOR	DE SOTO	150	Active
LAKEWOOD HILLS SUBD	AURORA	400	Active
LAUREL ACRES MHP	ST. LOUIS	124	Active
LEONARDS MHP	ST. LOUIS	48	Active
LIBERTY UTILITIES WARREN WOODS SUBD	AURORA	60	Active
LIFE STYLE MHP	FESTUS	321	Inactive
LYNN ACRES MHP	ARNOLD	27	Active
MACKENZIE RIDGE LLC	SULLIVAN	180	Active
MANDERLY MHP	CRYSTAL CITY	100	Active
MARY THE FONT SOLITUDE	HIGH RIDGE	35	Inactive
MASERANG ESTATES MHP	HIGH RIDGE	37	Inactive
MASON WOODS VILLAGE MHP	CHESTERFIELD	80	Inactive
MEADOW DRIVE SUBD	HIGH RIDGE	42	Active
MIRASOL SUBDIVISION	HILSBORO	2,012	Active
ONE-O-ONE RANCH SUBD	CEDAR HILL	30	Inactive
OSAGE VILLAGE SUBD	ST. LOUIS	280	Inactive
OZARK HILLS MHP	ARNOLD	230	Active
PALISADES VILLAGE	PACIFIC	142	Active
PARADISE ESTATES MHP	ST. LOUIS	58	Active
PARADISE VALLEY SUBD	HIGH RIDGE	560	Inactive
PEBBLE CREEK	FESTUS	25	Inactive
PERE CLIFF MHP	EUREKA	30	Inactive
PEVELY PWS	PEVELY	5,600	Active
PINE FORD VILLAGE MHP	ST LOUIS	40	Active
QUAIL RUN OF IMPERIAL	IMPERIAL	370	Active
RAINTREE PLANTATION	HILLSBORO	2,200	Active
SCENIC VIEW MHP	ARNOLD	13	Inactive
SCOTSDALE SUBD	AURORA	120	Active
SEVEN SPRING SEWER & WATER LLC	ELLISVILLE	300	Active
SOUTH SHORE WATER ASSN	PACIFIC	75	Active
ST JOSEPH HILL INFIRMARY	PACIFIC	94	Inactive
STARLING MHP	ARNOLD	342	Active
SUGAR CREEK ESTATES MHP	CHARLOTTE	500	Active
SUNRISE LAKES SUBD	VALLES MINES	400	Active
SYCAMORE GREEN ACRES MHP	SULLIVAN	50	Active
SYCAMORE SPRINGS	HOUSE SPRINGS	200	Active
TWIN GABLES MHP	FESTUS	100	Inactive
TYRER ESTATES APTS	HOUSE SPRINGS	33	Inactive
TYRER LANE APTS	HOUSE SPRINGS	27	Inactive
VALLE ACRES MHP	FESTUS	11	Active
VALLE LAKE SUBD	DE SOTO	625	Active
VALLEY VIEW APTS	HOUSE SPRINGS	30	Inactive
VILLAS AT FOX RUN	EUREKA	25	Active
WALKER HILL MHP	FENTON	30	Active
WARE LAKE SUBD	DITTMER	100	Active
WEBER HILL MHP	UNION	80	Active
WOODHURST MHP	HIGH RIDGE	44	Inactive