Counties → Missouri

Jefferson County, Missouri

Water Systems

Population Served

186,057

Total Violations

6,751

PFAS Detected

of 14 tested

Water Systems

System Name	Population	Violations	PFAS
JEFFERSON CO CONS PWSD C 1	37,000	4	Clean
JEFFERSON COUNTY PWSD 1	21,113	2	Clean
JEFFERSON COUNTY PWSD 3	17,000	5	Clean
JEFFERSON COUNTY PWSD 2	16,548	78	Clean
FESTUS PWS	12,054	12	Detected
JEFFERSON COUNTY PWSD 10	10,000	8	Clean
JEFFERSON COUNTY PWSD 5	8,000	8	Detected
JEFFERSON COUNTY PWSD 6	7,500	20	Detected
DESOTO PWS	6,400	32	Clean
JEFFERSON COUNTY PWSD 7	6,100	13	Detected
PEVELY PWS	5,600	42	Detected
CRYSTAL CITY PWS	4,733	31	Detected
JEFFERSON CO PWSD 8	4,733	4	Clean
HERCULANEUM PWS	4,227	13	Detected
HILLSBORO PWS	3,000	75	—
JEFFERSON COUNTY PWSD 12	3,000	7	—
RAINTREE PLANTATION	2,200	58	—
MIRASOL SUBDIVISION	2,012	8	—
JCPSD SUMMER SET	1,080	105	—
GRANDVIEW R 2 SCHOOL	800	45	—
VILLA ANTONIO WINERY	800	14	—
VALLE LAKE SUBD	625	31	—
CEDAR SPRINGS ELEMENTARY SCHOOL	560	24	—
MAPLE GROVE ELEMENTARY SCHOOL	515	26	—
SUGAR CREEK ESTATES MHP	500	15	—
SERVGAS FAST MART	500	29	—
CEDAR HILL ESTATES WATER	490	38	—
LAKEWOOD HILLS SUBD	400	153	—
SUNRISE LAKES SUBD	400	110	—
SUNRISE R IX ELEMENTARY SCHOOL	400	69	—
LAKE ADELLE SUBD	380	67	—
QUAIL RUN OF IMPERIAL	370	166	—
STARLING MHP	342	5	—
JEFFCO MHP	310	6	—
GREENFIELD MANOR MHP	307	9	—
SEVEN SPRING SEWER & WATER LLC	300	63	—
CAMP CEDARLEDGE	300	68	—
OAK VALLEY GOLF COURSE RESORT	275	103	—
ANTIRE VALLEY SUBD	260	99	—
HUNTERS GLEN	240	25	—
OUR LADY QUEEN OF PEACE	240	15	—
LAKE LORRAINE WATER CO	230	34	—
OZARK HILLS MHP	230	1	—
BRIARWOOD UTILITIES	210	131	—
SYCAMORE SPRINGS	200	23	—
TIMBER CREEK RESORT	200	21	—
MACKENZIE RIDGE LLC	180	93	—
HIGH RIDGE MANOR SUBD	175	58	—
FAIRWAYS WATER AND SEWER ASSN	150	93	—
LAKESIDE MANOR	150	20	—