North Carolina tap water quality

1,982 active community water systems.

Largest water systems

Grade	System	People	Health violations (5y)
A	Charlotte Water	1,206,285	0
A	City of Raleigh Public Utilities	650,000	0
A	City of Winston-Salem Utilities	391,900	0
B	City of Durham Department of Water Management	333,490	0
C	City of Greensboro Water Resources	319,588	0
B	Town of Cary	227,300	1
D	Fayetteville Public Works Comm	226,441	0
A	Cfpua-Wilmington	212,227	0
A	Union County Water System	169,685	0
B	City of Asheville	157,431	1
B	Onslow WTR and Sewer Authority	156,755	1
A	Davidson Water Inc	154,307	0
C	Brunswick County Water System	151,357	0
C	Harnett Regional Water	121,885	0
B	City of Concord	120,771	0
C	City of High Point	118,662	1
A	Greenville Utilities Comm	103,140	0
C	Johnston Co-West	99,027	0
A	Two Rivers Utilities	96,714	0
A	Orange Water & Sewer Authority	86,500	0
A	Town of Apex	83,001	0
A	City of Hendersonville	79,278	0
A	City of Hickory	71,393	0
D	Robeson County Water System	67,970	0
C	Old North Utilities Services/Ft Bragg	65,000	0
C	City of Burlington	61,365	0
A	Cleveland County Water	59,395	0
C	City of Kannapolis	56,050	1
C	City of Rocky Mount	55,891	0
A	Town of Mooresville	54,455	0
C	Town of Holly Springs	51,947	0
B	Brunswick Regional Water and Sewer H2go	51,252	1
A	City of Wilson	50,332	0
C	Lincoln County WTP	49,693	1
B	City of Jacksonville	49,093	1
D	City of Sanford	48,350	1
B	Salisbury-Rowan	46,156	1
B	City of Monroe	43,081	1
C	Town of Fuquay-Varina	42,954	0
B	Wayne Water Districts	39,403	1
A	City of New Bern	37,884	0
B	Craven County Water System	37,848	1
B	USMC Lejeune--Hadnot Point	37,500	1
B	Hoke Co Regional Water System	36,640	1
C	City of Goldsboro	34,959	0
D	Pender County Utilities	32,302	14
C	Davie County Water System	32,068	2
C	Moore Co Public Util-Pinehurst	31,390	0
C	Town of Clayton	30,876	0
B	City of Statesville	30,843	1

Most issues (systems serving 10,000+)

Hamlet Water System

Serves 10,635 people · Surface water · Full report →

11 health-based violations in the last 5 years; 5 monitoring/reporting violations; 2 not yet resolved; PFOA/PFOS average above the 4 ppt federal limit: PFOS; Lead 90th percentile below the action level (2025).

Montgomery County Water System

Serves 15,362 people · Surface water · Full report →

9 health-based violations in the last 5 years; 12 monitoring/reporting violations; 2 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).

Franklin County Water & Sewer

Serves 26,060 people · Surface water · Full report →

4 health-based violations in the last 5 years; 7 monitoring/reporting violations; 2 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).

Cliffdale West

Serves 15,220 people · Groundwater · Full report →

1 health-based violation in the last 5 years; 1 monitoring/reporting violation; PFOA/PFOS average above the 4 ppt federal limit: PFOA, PFOS; Other PFAS above 2024 limits (rule proposed for repeal): PFHxS, Hazard Index; Lead 90th percentile below the action level (2025).

Bayleaf Master

Serves 16,715 people · Groundwater · Full report →

No health-based violations in the last 5 years; 30 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOS, PFOA; Other PFAS above 2024 limits (rule proposed for repeal): PFHxS, Hazard Index; Lead 90th percentile below the action level (2025).

Town of Smithfield

Serves 12,900 people · Surface water · Full report →

1 health-based violation in the last 5 years; 13 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOS, PFOA; Lead 90th percentile below the action level (2025).

Pender County Utilities

Serves 32,302 people · Surface water · Full report →

14 health-based violations in the last 5 years; 3 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2026).

Town of Spring Lake

Serves 11,725 people · Surface water · Full report →

1 health-based violation in the last 5 years; 7 monitoring/reporting violations; 1 not yet resolved; PFOA/PFOS average above the 4 ppt federal limit: PFOA, PFOS; Lead 90th percentile below the action level (2025).

Cherokee Water System

Serves 16,203 people · Surface water · Full report →

5 health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).

Edgecombe Water & Sewer District

Serves 14,485 people · Surface water · Full report →

8 health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).

Dan River Water Inc

Serves 12,573 people · Surface water · Full report →

3 health-based violations in the last 5 years; 12 monitoring/reporting violations; 3 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).

City of Sanford

Serves 48,350 people · Surface water · Full report →

1 health-based violation in the last 5 years; 3 monitoring/reporting violations; 1 not yet resolved; PFOA/PFOS average above the 4 ppt federal limit: PFOA, PFOS; Lead 90th percentile below the action level (2025).

Town of Angier

Serves 13,302 people · Surface water · Full report →

1 health-based violation in the last 5 years; 3 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOS, PFOA; Lead 90th percentile below the action level (2025).

Iredell Water Corporation

Serves 29,370 people · Surface water · Full report →

1 health-based violation in the last 5 years; 2 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOA, PFOS; Lead 90th percentile below the action level (2025).

Brookwood Comm WTR System

Serves 15,380 people · Groundwater · Full report →

No health-based violations in the last 5 years; 2 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOS, PFOA; Other PFAS above 2024 limits (rule proposed for repeal): PFHxS, Hazard Index; Lead 90th percentile below the action level (2024).

Cities

Aberdeen Advance Ahoskie Alamance Albemarle Albertson Alexander Alexis Alliance Almond Andrews Angier Ansonville Apex Aquadale Aquone Arapahoe Ararat Archdale Arden Ash Asheboro Asheville Atkinson Atlantic Beach Aulander Aurora Autryville Avon Ayden Aydlett Badin Bailey Bakersville Bald Head Island Balsam Banner Elk Barco Barnesville Bath Battleboro Bayboro Beaufort Beech Mountain Belews Creek Belhaven Bellarthur Belmont Belvidere Bennett Benson Bent Creek Bessemer City Bethel Bethlehem Beulaville Biscoe Black Creek Black Mountain Bladenboro Blounts Creek Blowing Rock Boardman Boiling Springs Bolivia Bolton Boomer Boone Boonville Bostic Brasstown Brevard Bridgeton Broadway Brown Summit Brown Summitt Browns Summit Brunswick Bryson City Buies Creek Bunn Bunnlevel Burgaw Burlington Burnsville Butner Buxton Calabash Calypso Camden Cameron Camp Lejeune Candler Candor Canton Cape Carteret Caroleen Carolina Beach Carrboro Carthage Cary Casar Cashier Cashiers Castalia Castle Hayne Catawba Cedar Mountain Cerro Gordo Chadbourn Chapel Hill Charlotte Cherokee Cherry Point Cherryville Chimney Rock China Grove Chinquapin Chocowinity Claremont Clarendon Clarkton Clayton Clemmons Cleveland Cliffside Climax Clinton Clyde Coats Cofield Coinjock Colerain Colfax Collettsville Columbia Columbus Comfort Como Concord Conetoe Connelly Spring Connelly Springs Conover Conver Conway Cooleemee Corapeake Cordova Cornelius Corolla Council Cove City Cramerton Creedmoor Creswell Crossnore Crouse Cullowhee Currie Currituck Dallas Danbury Davidson Deep Gap Deep Run Delco Denton Denver Dillsboro Dobson Dortches Dover Drexel Dublin Dudley Dunn Durham East Arcadia East Bend East Flat Rock East Spencer Eastover Eden Edenton Edneyville Edward Efland Elams Elizabeth City Elizabethtown Elk Park Elkin Ellenboro Ellerbe Elm City Elon Emerald Isle Enfield Engelhard Enochville Ernul Erwin Ether Etowah Etowan Eure Everetts Evergreen Fair Bluff Fairfield Fairmont Fairview Faison Faith Falcon Falkland Farmville Fayetteville Ferguson Flat Rock Fleetwood Fletcher Fontana Fontana Dam Forest City Fort Bragg Fountain Four Oaks Foxfire Village Franklin Franklinton Franklinville Fremont Frisco Fuquay Fuquay Varina Fuquay-Varina Gaffney Garland Garner Garysburg Gaston Gastonia Gates Gatesville Germanton Germantown Gibson Gibsonville Glen Alpine Glenville Gloucester Godwin Gold Hill Goldsboro Goldston Graham Grandy Granite Falls Granite Quarry Grantsboro Green Level Greenevers Greensboro Greenville Grifton Grimesland Grover Halifax Hamilton Hamlet Hampstead Hamptonville Harbinger Harkers Island Harmony Harrells Harrellsville Harrisburg Hassell Hatteras Havelock Haw River Hayesville Hays Henderson Hendersonville Henrico Henrietta Hertford Hickory Hiddenite High Point High Shoals Highlands Hildebran Hillsborough Hobbsville Hobgood Hobucken Hoffman Holden Beach Hollister Holly Ridge Holly Springs Hookerton Hope Mills Horse Shoe Horseshoe Hot Springs Hubert Hudson Huntersville Icard Indian Trail Iron Station Jackson Jackson Springs Jacksonville Jamestown Jamesville Jarvisburg Jefferson Jonas Ridge Jonesville Julian Kannapolis Kelford Kenansville Kenly Kernersville Kill Devil Hill Kill Devil Hills King Kings Mountain Kings Mtn Kinston Kipling Kittrell Kitty Hawk Knighdale Knightdale Knott's Island Knotts Island Kure Beach La Grange Lagrange Lake Gaston Lake Junaluska Lake Lure Lake Toxaway Lake Waccamaw Lakeview Landis Lansing Lattimore Laurel Hill Laurinburg Lawndale Leicester Leland Lenoir Lewiston Woodville Lewisville Lexington Liberty Lilesville Lillington Lincolnton Linden Linville Linville Falls Linwood Little Switzerland Littleton Locust Longview Longwood Louisburg Lowell Lowgap Lowland Lucama Lumber Bridge Lumberton Macclesfield Macon Madison Maggie Valley Magnolia Maiden Mamers Manns Harbor Manson Manteo Maple Maple Hill Marble Margarettsville Marion Mars Hill Marshall Marshville Marston Matthews Maury Maxton Mayodan Maysville Mc Adenville Mc Farlan McAdenville McCain McLeansville Mebane Merrimon Merritt Merry Hill Micaville Micro Middlesex Midland Midway Park Mill Spring Miller Creek Millers Creek Mills River Milton Mineral Springs Minneapolis Mint Hill Misenheimer Mocksville Moncure Monroe Montreat Mooresboro Mooresville Moravian Falls Morehead City Morganton Morrisville Morven Mount Airy Mount Gilead Mount Holly Mount Olive Mount Pleasant Mount Ulla Mountain Home Moyock Mt Airy Mt Gilead Mt Holly Mt Pleasant Murfreesboro Murphy N Wilkesboro Nags Head Naples Nashville Nebo New Bern New Hill New Hope New London Newland Newport Newton Newton Grove Norlina Norman North Wilkesboro Northside Norwood Oak City Oak Island Oak Ridge Oakboro Ocean Isle Beach Ocracoke Ogden Old Fort Olin Olivia Oriental Orrum Oxford Pantego Parkton Parmele Peachland Pelham Pembroke Pendleton Penland Penrose Pfafftown Pikeville Pilot Mountain Pilot Mtn Pine Level Pinebluff Pinehurst Pineola Pinetops Pinetown Pineville Pink Hill Pinnacle Pittsboro Pleasant Garden Pleasant Hill Plymouth Point Harbor Polkton Pollocksville Pope Army Airfield Poplar Branch Powells Point Powellsville Princeton Proctorville Purlear Raeford Raleigh Ramseur Randleman Randolph County Ranlo Red Springs Reidsville Rex Rhodhiss Rich Square Richfield Richlands Ridgecrest Ridgeway Riegelwood River Bend Roanoke Rapids Roaring Gap Roaring River Robbins Robbinsville Robersonville Rockingham Rockwell Rocky Mount Rocky Point Rodanthe Rolesville Ronda Roper Rose Hill Roseboro Rosman Rougemont Rowland Roxboro Roxobel Ruffin Rural Hall Rutherford Col Rutherford Coll Rutherford College Rutherfordton Saint Pauls Salemburg Salisbury Salter Path Saluda Salvo Sanford Santeetlah Sapphire Saratoga Saxapahaw Scaly Mountain Scotland Neck Scotts Scranton Sea Level Seaboard Seagrove Sealevel Selma Seven Devils Seven Springs Severn Seymour Johnson Shallotte Shannon Sharpsburg Shawboro Shelby Sherills Ford Sherrills Ford Sherrils Ford Shiloh Siler City Simpson Sims Smithfield Sneads Ferry Snow Camp Snow Hill Sophia South Mills Southern Pines Southport Sparta Speed Spencer Spindale Spring Hope Spring Lake Spruce Pine St Pauls Staley Stanfield Stanley Stantonsburg Star Startown State Road Statesville Stedman Stella Stem Stokes Stokesdale Stokesdale Madi Stoneville Stonewall Stony Point Stovall Stumpy Point Sugar Grove Summerfield Sunbury Sunset Beach Supply Surf City Swannanoa Swanquarter Swansboro Swepsonville Sylva Tabor City Tar Heel Tarawa Terrace Tarboro Taylorsville Taylortown Teachey Terrell Thomasville Tillery Timberlake Toast Tobaccoville Todd Topsail Beach Topton Trenton Trinity Troutman Troy Tryon Tuckasegee Turkey Tuxedo Tyner Union Grove Union Mills Valdese Vale Vanceboro Vandemere Vass Vaughn Waco Wade Wadesboro Wagram Wake Forest Walkertown Wallace Walnut Cove Walstonburg Wanchese Warrensville Warrenton Warsaw Washington Waves Waxham Waxhaw Waynesville Weaverville Webster Weldon Wendell Wentworth West End West Jefferson Westfield Whispering Pines Whitakers White Lake White Oak White Plains Whiteville Whitsett Whittier Wilkesboro Willard Williamston Willow Spring Willow Springs Wilmington Wilson Wilson Mills Windsor Winfall Wingate Winnabow Winston Salem Winston-Salem Winterville Winton Woodland Wrightsville Beach Yadkinville Yanceyville Youngsville Zebulon Zirconia