PFAS in Mississippi tap water

7 of 239 tested systems measured above the federal limit. 9 had a detection of any kind.

Every public water system below was required by the EPA to test for 29 PFAS compounds. Sorted by the highest PFOA or PFOS reading, worst first. Find yours for the full set of readings and what removes them.

Water system	Highest PFOA	Highest PFOS	Found	Against the 4 ppt limit
City of Oxford	4.4 ppt	72.2 ppt	9 of 29	Above
Smiths Crossing Water Assn	none detected	10.8 ppt	1 of 29	Above
City of Corinth, Ms	8.7 ppt	10.6 ppt	5 of 29	Above
City of Holly Springs	6.7 ppt	9.6 ppt	3 of 29	Above
Keesler Air Force Base	none detected	7.7 ppt	1 of 29	Above
Sunrise Utility Assn Inc	5.5 ppt	none detected	1 of 29	Above
University of Mississippi	5.5 ppt	4.2 ppt	8 of 29	Above
Adams Co W/a #2-south	none detected	none detected	0 of 29	Within
Adams Co W/a #4-kaiser Lake	none detected	none detected	0 of 29	Within
Alcorn State University	none detected	none detected	0 of 29	Within
Alcorn W/a #1-indian Springs	none detected	none detected	0 of 29	Within
Algoma Water Association	none detected	none detected	0 of 29	Within
Arnold Line Water Association	none detected	none detected	0 of 29	Within
Barrontown W/a	none detected	none detected	0 of 29	Within
Bear Creek W/a -east	none detected	none detected	0 of 29	Within
Bear Creek W/a-west	none detected	none detected	0 of 29	Within
Beat III W/a #1-sand Hill	none detected	none detected	0 of 29	Within
Beaverdam W/a-north	none detected	none detected	0 of 29	Within
Big V Water Association	none detected	none detected	0 of 29	Within
Black Bayou Water Assn.	none detected	none detected	0 of 29	Within
Booneville Water Dept.	none detected	none detected	0 of 29	Within
Broadmoor Utilities, Inc	none detected	none detected	1 of 29	Within
Buckatunna Water Association	none detected	none detected	0 of 29	Within
Calhoun Water Association	none detected	none detected	0 of 29	Within
Cason Water Association	none detected	none detected	0 of 29	Within
Center W/a-caesar System	none detected	none detected	0 of 29	Within
Central W/a-east Side	none detected	none detected	0 of 29	Within
Central W/a-southwest	none detected	none detected	0 of 29	Within
City of Amory	none detected	none detected	0 of 29	Within
City of Batesville	none detected	none detected	0 of 29	Within
City of Bay St Louis	none detected	none detected	0 of 29	Within
City of Belzoni	none detected	none detected	0 of 29	Within
City of Biloxi	none detected	none detected	0 of 29	Within
City of Biloxi-french	none detected	none detected	0 of 29	Within
City of Biloxi-north	none detected	none detected	0 of 29	Within
City of Brandon	none detected	none detected	0 of 29	Within
City of Brookhaven	none detected	none detected	1 of 29	Within
City of Canton, Ms	none detected	none detected	0 of 29	Within
City of Carthage	none detected	none detected	0 of 29	Within
City of Cleveland, Ms	none detected	none detected	0 of 29	Within
City of Clinton	none detected	none detected	0 of 29	Within
City of Columbia	none detected	none detected	0 of 29	Within
City of Ellisville	none detected	none detected	0 of 29	Within
City of Eupora	none detected	none detected	0 of 29	Within
City of Flowood	none detected	none detected	0 of 29	Within
City of Flowood - Noranco	none detected	none detected	0 of 29	Within
City of Forest	none detected	none detected	0 of 29	Within
City of Fulton	none detected	none detected	0 of 29	Within
City of Gautier	none detected	none detected	0 of 29	Within
City of Greenville, Ms	none detected	none detected	0 of 29	Within
City of Greenwood	none detected	none detected	0 of 29	Within
City of Grenada	none detected	none detected	0 of 29	Within
City of Gulfport	none detected	none detected	0 of 29	Within
City of Hattiesburg	none detected	none detected	0 of 29	Within
City of Hernando	none detected	none detected	0 of 29	Within
City of Hernando-jaybird	none detected	none detected	0 of 29	Within
City of Horn Lake	none detected	none detected	0 of 29	Within
City of Houston	none detected	none detected	0 of 29	Within
City of Indianola	none detected	none detected	0 of 29	Within
City of Iuka	none detected	none detected	0 of 29	Within
City of Jackson-maddox Rd.	none detected	none detected	0 of 29	Within
City of Jackson, Ms	none detected	none detected	0 of 29	Within
City of Kosciusko	none detected	none detected	0 of 29	Within
City of Laurel	none detected	none detected	0 of 29	Within
City of Leland	none detected	none detected	0 of 29	Within
City of Long Beach	none detected	none detected	0 of 29	Within
City of Louisville	none detected	none detected	0 of 29	Within
City of Louisville - Northeast	none detected	none detected	0 of 29	Within
City of Madison	none detected	none detected	0 of 29	Within
City of Magee	none detected	none detected	0 of 29	Within
City of Mccomb	none detected	none detected	0 of 29	Within
City of Meridian	none detected	none detected	0 of 29	Within
City of Morton	none detected	none detected	0 of 29	Within
City of Moss Point	none detected	none detected	0 of 29	Within
City of Natchez	none detected	none detected	0 of 29	Within
City of New Albany	none detected	none detected	0 of 29	Within
City of Newton	none detected	none detected	0 of 29	Within
City of Ocean Springs	none detected	none detected	0 of 29	Within
City of Olive Branch	none detected	none detected	0 of 29	Within
City of Pascagoula	none detected	none detected	0 of 29	Within
City of Pass Christian	none detected	none detected	0 of 29	Within
City of Pearl	none detected	none detected	0 of 29	Within
City of Petal	none detected	none detected	0 of 29	Within
City of Philadelphia	none detected	none detected	0 of 29	Within
City of Pontotoc	none detected	none detected	0 of 29	Within
City of Poplarville	none detected	none detected	0 of 29	Within
City of Richland	none detected	none detected	0 of 29	Within
City of Ridgeland	none detected	none detected	0 of 29	Within
City of Ripley	none detected	none detected	0 of 29	Within
City of Sardis	none detected	none detected	0 of 29	Within
City of Senatobia	none detected	none detected	0 of 29	Within
City of Southaven	none detected	none detected	0 of 29	Within
City of Starkville	none detected	none detected	0 of 29	Within
City of Tupelo	none detected	none detected	0 of 29	Within
City of Union	none detected	none detected	0 of 29	Within
City of Vicksburg	none detected	none detected	0 of 29	Within
City of Water Valley	none detected	none detected	0 of 29	Within
City of Waveland	none detected	none detected	0 of 29	Within
City of Waynesboro	none detected	none detected	0 of 29	Within
City of West Point	none detected	none detected	0 of 29	Within
City of Wiggins	none detected	none detected	0 of 29	Within
City of Winona	none detected	none detected	0 of 29	Within
City of Yazoo City	none detected	none detected	0 of 29	Within
Clarkdale Water Assn # 1	none detected	none detected	0 of 29	Within
Clarksdale Public Utilities	none detected	none detected	0 of 29	Within
Clayton Village W/a #1-east	none detected	none detected	0 of 29	Within
Cmu - Lake Caroline	none detected	none detected	0 of 29	Within
Columbus Air Force Base	none detected	none detected	0 of 29	Within
Columbus Light & Water	none detected	none detected	0 of 29	Within
Combined Utilities	none detected	none detected	0 of 29	Within
Copiah-new Zion Water Assn,inc	none detected	none detected	0 of 29	Within
Crystal Springs Water Service	none detected	none detected	0 of 29	Within
Culkin Water Dist	none detected	none detected	0 of 29	Within
Diamondhead Utilities-north	none detected	none detected	0 of 29	Within
Diberville W/s	none detected	none detected	0 of 29	Within
Dixie Community Utility Assn.	none detected	none detected	0 of 29	Within
Duncan Hill Water Supply	none detected	none detected	0 of 29	Within
East Leflore Water & Sewer Dst	none detected	none detected	0 of 29	Within
East Lowndes #4-herman-vaughn	none detected	none detected	0 of 29	Within
East Lowndes W/a #2-huckleberry	none detected	none detected	0 of 29	Within
East Lowndes W/a A East-old Yorkville	none detected	none detected	0 of 29	Within
East Lowndes W/a B West-old Yorkville Rd	none detected	none detected	0 of 29	Within
East Madison Water Assn-west	none detected	none detected	0 of 29	Within
East Pontotoc Water Assn	none detected	none detected	0 of 29	Within
East Quitman W/a	none detected	none detected	0 of 29	Within
Eudora Utilities Association	none detected	none detected	0 of 29	Within
Fannin Water Assn-north	none detected	none detected	0 of 29	Within
Farmington Water Association	none detected	none detected	0 of 29	Within
Fisher Ferry Water District	none detected	none detected	0 of 29	Within
G T & Y Water District Inc	none detected	none detected	0 of 29	Within
Glade Waterworks Assn	none detected	none detected	0 of 29	Within
Glendale Utility District	none detected	none detected	0 of 29	Within
Greenfield Water Association	none detected	none detected	0 of 29	Within
Gulf Park	none detected	none detected	0 of 29	Within
Hamilton Water District	none detected	none detected	0 of 29	Within
Harmontown Water Association	none detected	none detected	0 of 29	Within
Hebron Water Association	none detected	none detected	0 of 29	Within
Hilldale Water District	none detected	none detected	0 of 29	Within
Hiwannee Water Association #1	none detected	none detected	0 of 29	Within
Horn Lake Water Association	none detected	none detected	0 of 29	Within
Hub Water Association	none detected	none detected	0 of 29	Within
Humphreys Co. W/a #1-midnight	none detected	none detected	0 of 29	Within
Ingalls Shipbuilding	none detected	none detected	0 of 29	Within
J P Utility District	none detected	none detected	0 of 29	Within
Jackson Co Utility Authority-east	none detected	none detected	0 of 29	Within
Jackson Co Utility Authority-west	none detected	none detected	0 of 29	Within
Jayess-topeka-tilton W/a	none detected	none detected	0 of 29	Within
Kiln Utility and Fire District of Hancoc	none detected	none detected	0 of 29	Within
Kossuth W/a #3-pine Mountain	none detected	none detected	0 of 29	Within
Lamar Park Water & Sewage Assn	none detected	none detected	0 of 29	Within
Lampton Water Association	none detected	none detected	0 of 29	Within
Langford Water Association	none detected	none detected	0 of 29	Within
Leesburg Water Association	none detected	none detected	0 of 29	Within
Lewisburg Water Association	none detected	none detected	0 of 29	Within
Lexie Water Association, Inc.	none detected	none detected	0 of 29	Within
Lincoln Rural W/a-heucks Ret	none detected	none detected	0 of 29	Within
Long Creek Water Assn #2	none detected	none detected	0 of 29	Within
M & M Water Association	none detected	none detected	0 of 29	Within
Macon Electric & Water Dept.	none detected	none detected	0 of 29	Within
Magees Creek W/a-north	none detected	none detected	0 of 29	Within
Marshall Co Water Assn	none detected	none detected	0 of 29	Within
Mcnair-stampley W/a #1	none detected	none detected	0 of 29	Within
Mooreville-richmond W/a #1	none detected	none detected	0 of 29	Within
Ms State Hospital-whitfield	none detected	none detected	0 of 29	Within
Ms State University	none detected	none detected	0 of 29	Within
Mt Gilead-improve Water Assn	none detected	none detected	0 of 29	Within
Naval Construction Battal Ctr	none detected	none detected	0 of 29	Within
NE Itawamba W/a #1-ridge	none detected	none detected	0 of 29	Within
Nesbit Water Association	none detected	none detected	0 of 29	Within
North Hinds W/a #1-brownsville	none detected	none detected	0 of 29	Within
North Lamar Water Association	none detected	none detected	0 of 29	Within
North Lauderdale W/a, Inc	none detected	none detected	0 of 29	Within
North Lee W/a #4-macedonia	none detected	none detected	0 of 29	Within
North Lee W/a-auburn System #1	none detected	none detected	0 of 29	Within
North Lumberton Utility Assn	none detected	none detected	0 of 29	Within
North Pike Water Association	none detected	none detected	0 of 29	Within
North Tallahatchie W/a	none detected	none detected	0 of 29	Within
Nts Utility Association	none detected	none detected	0 of 29	Within
Oak Hill Water Assn	none detected	none detected	0 of 29	Within
Okatoma Water Association #2	none detected	none detected	0 of 29	Within
Old Union Water System	none detected	none detected	0 of 29	Within
Palmer Creek Utility Assc, Inc	none detected	none detected	0 of 29	Within
Pattison W/a-west	none detected	none detected	0 of 29	Within
Pearl River Central W/a	none detected	none detected	0 of 29	Within
Pearl River Central W/a-bi Co	none detected	none detected	0 of 29	Within
Pearl River Central W/a-henley Field	none detected	none detected	0 of 29	Within
Picayune Utilities, City of	none detected	none detected	0 of 29	Within
Pleasant Grove Water Assn	none detected	none detected	0 of 29	Within
Pleasant Ridge W/a	none detected	none detected	0 of 29	Within
Progress Comm Water Assn	none detected	none detected	0 of 29	Within
Prvwsd-pelahatchie Bay	none detected	none detected	0 of 29	Within
Quincy Water Association #1	none detected	none detected	0 of 29	Within
Randolph Water Association #1	none detected	none detected	0 of 29	Within
Reedtown Water Assn	none detected	none detected	0 of 29	Within
Riverbend Utilities Inc	none detected	none detected	0 of 29	Within
S Ms Public Water Auth-rock Hill	none detected	none detected	0 of 29	Within
Sanderson Farms, Inc	none detected	none detected	0 of 29	Within
Sebastopol Water Association	none detected	none detected	0 of 29	Within
South Central Water Assn	none detected	none detected	0 of 29	Within
Southern Rankin W/a #2 Plain	none detected	none detected	0 of 29	Within
Southwest Covington W/a	none detected	none detected	0 of 29	Within
Southwest Jones W/a-north	none detected	none detected	0 of 29	Within
Standard Dedeaux Water Association	none detected	none detected	0 of 29	Within
Steele-ringgold W/a #1	none detected	none detected	0 of 29	Within
Stennis Space Center	none detected	none detected	0 of 29	Within
Strayhorn W/a-crockett	none detected	none detected	0 of 29	Within
Stringer Water Works	none detected	none detected	0 of 29	Within
Sunnyhill Water Association	none detected	none detected	0 of 29	Within
SW Rankin Water Association #1	none detected	none detected	0 of 29	Within
Tallahala W/a-antioch	none detected	none detected	0 of 29	Within
Toomsuba Water Association	none detected	none detected	0 of 29	Within
Topisaw Creek	none detected	none detected	0 of 29	Within
Town of Aberdeen	none detected	none detected	0 of 29	Within
Town of Bay Springs	none detected	none detected	0 of 29	Within
Town of Byhalia	none detected	none detected	0 of 29	Within
Town of Caledonia	none detected	none detected	0 of 29	Within
Town of Derma	none detected	none detected	0 of 29	Within
Town of Duncan	none detected	none detected	0 of 29	Within
Town of Florence	none detected	none detected	0 of 29	Within
Town of Guntown	none detected	none detected	0 of 29	Within
Town of Hazlehurst	none detected	none detected	0 of 29	Within
Town of Plantersville	none detected	none detected	0 of 29	Within
Town of Port Gibson	none detected	none detected	0 of 29	Within
Town of Renova	none detected	none detected	0 of 29	Within
Town of Saltillo	none detected	none detected	0 of 29	Within
Town of Tunica	none detected	none detected	0 of 29	Within
Town of Tutwiler	none detected	none detected	0 of 29	Within
Town of Walnut	none detected	none detected	0 of 29	Within
Tunica County Utility District	none detected	none detected	0 of 29	Within
Union Church Waterworks Assn	none detected	none detected	0 of 29	Within
University of Ms Medical Cntr	none detected	none detected	0 of 29	Within
Walker Switch Water Assn	none detected	none detected	0 of 29	Within
Wallerville Water Association	none detected	none detected	0 of 29	Within
Walls Water Assn- Lake Forest	none detected	none detected	0 of 29	Within
Wayside Water Association	none detected	none detected	0 of 25	Within
West Jackson Co Utility Dist	none detected	none detected	0 of 29	Within
West Lamar Water Assn #1	none detected	none detected	0 of 29	Within
Wheeler-frankstown Water Assn	none detected	none detected	0 of 29	Within
Whistler Water Association	none detected	none detected	0 of 29	Within

All 239 systems the EPA tested in Mississippi, every one of them with its own page. Each was tested for 29 PFAS compounds.

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Source, the EPA’s fifth Unregulated Contaminant Monitoring Rule, final dataset published 2026-10-15. Original data →