North Carolina Water Systems

1,965 community water systems in North Carolina, ranked by violation count. Data from EPA Safe Drinking Water Information System (SDWIS).

Water Systems
1,965
Total Violations
2,788
Health Violations
656 systems
Population Served
9,548,812

North Carolina operates 1,965 community water systems regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. Together these utilities serve an estimated 9,548,812 residents, each filing compliance results with the state's primacy agency and, for federally listed contaminants, with the U.S. Environmental Protection Agency.

Across the state, SDWIS records contain 2,788 total violations, of which 656 systems carry at least one active health-based violation, a Maximum Contaminant Level (MCL) exceedance or treatment-technique failure. That represents roughly 33% of North Carolina systems.

Violation counts reflect both infrastructure realities and reporting diligence, a state with more small rural systems will accumulate more monitoring-type violations without necessarily delivering worse water. Health-based violations are the stronger safety signal. A past violation does not itself indicate current unsafe water; utilities must notify customers, remediate, and publish an annual Consumer Confidence Report. All numbers below draw directly from the federal SDWIS record.

Which water systems have violations? (259)

# System Name Violations Health
1 CARTHAGE, TOWN OF Carthage 172 Yes
2 ENFIELD WATER SYSTEM Enfield 86 Yes
3 HAMLET WATER SYSTEM Hamlet 53 Yes
4 PENDER COUNTY UTILITIES Burgaw 45 Yes
5 MONTGOMERY COUNTY WATER SYSTEM Mt Gilead 40 Yes
6 HENDERSON-KERR LAKE REG WTR Henderson 39 Yes
7 SOUTH GRANVILLE WTR&SEWER AUTHORITY Butner 36 Yes
8 EDGECOMBE WATER & SEWER DISTRICT Tarboro 36 Yes
9 MOUNT PLEASANT, TOWN OF Mt. Pleasant 33 Yes
10 LEXINGTON, CITY OF Lexington 30 Yes
11 ROCKINGHAM CO - 220 CORRIDOR Wentworth 30 Yes
12 RAMSEUR, TOWN OF Ramseur 27 Yes
13 STANLY CO-PINEY POINT DIST Albemarle 27 Yes
14 DALLAS, TOWN OF Dallas 26 Yes
15 BESSEMER CITY, CITY OF Bessemer City 26 Yes
16 EDENTON, TOWN OF Edenton 25 Yes
17 FRANKLINTON, TOWN OF Youngsville 25 Yes
18 FOUR OAKS, TOWN OF Four Oaks 24 Yes
19 TOPSAIL BEACH, TOWN OF Topsail Beach 22 Yes
20 RICHMOND COUNTY WATER SYSTEM Rockingham 21 Yes
21 STANFIELD #3-POLK FORD/RENEE FORD Stanfield 21 Yes
22 KENLY, TOWN OF Kenly 20 Yes
23 ELM CITY, TOWN OF Elm City 20 Yes
24 YANCEYVILLE, TOWN OF Yanceyville 18 Yes
25 MAXTON, TOWN OF Maxton 16 Yes
26 WOODRUN S/D Charlotte 16 Yes
27 AURORA WATER SYSTEM Aurora 16 Yes
28 ROCKINGHAM COUNTY 158 CORRIDOR Wentworth 15 Yes
29 MAPLE HILL WATER DISTRICT Burgaw 15 Yes
30 JONESVILLE, TOWN OF Jonesville 14 Yes
31 JEFFERSON, TOWN OF Jefferson 13 Yes
32 ROCKBRIDGE S/D Chapel Hill 13 Yes
33 THE CAPE MASTER SYSTEM Cary 12 Yes
34 BRANDYWINE BAY Charlotte 12 Yes
35 ROBBINS WATER SYSTEM Robbins 12 Yes
36 REIDSVILLE, CITY OF Reidsville 11 Yes
37 UNION COUNTY WATER SYSTEM Monroe 10 Yes
38 FRANKLIN COUNTY WATER & SEWER Youngsville 10 Yes
39 STANLY CO-AQUADALE DIST Albemarle 10 Yes
40 WAYNE WATER DISTRICTS Goldsboro 9 Yes
41 ORANGE-ALAMANCE WATER SYSTEM Mebane 9 Yes
42 TUCKASEIGEE WATER & SEWER AUTH Sylva 9 Yes
43 LAURADALE S/D Jacksonville 9 Yes
44 STAR, TOWN OF Star 9 Yes
45 CANDOR, TOWN OF Candor 9 Yes
46 CONCORD, CITY OF Concord 8 Yes
47 DAVIE COUNTY WATER SYSTEM Mocksville 8 Yes
48 HIGHLANDS, TOWN OF Highlands 8 Yes
49 MOCKSVILLE, TOWN OF Mocksville 8 Yes
50 NORWOOD, TOWN OF Norwood 8 Yes
51 FAIRFIELD SAPPHIRE Charlotte 8 Yes
52 SCOTLAND NECK, TOWN OF Scotland Neck 8 Yes
53 MIDDLESEX WATER SYSTEM Raleigh 8 Yes
54 PRINCETON, TOWN OF Princeton 7 Yes
55 WAGRAM, TOWN OF Wagram 7 Yes
56 TAYLORTOWN, TOWN OF Pinebluff 7 Yes
57 CARY, TOWN OF Cary 6 Yes
58 ASHEVILLE CITY OF Asheville 6 Yes
59 BRUNSWICK COUNTY WATER SYSTEM Bolivia 6 Yes
60 STATESVILLE, CITY OF Statesville 6 Yes
61 HARRISBURG, TOWN OF Harrisburg 6 Yes
62 ANSON COUNTY WATER SYSTEM Wadesboro 6 Yes
63 CHAPEL RIDGE S/D Cary 6 Yes
64 MOUNT GILEAD, TOWN OF Mount Gilead 6 Yes
65 MARSHALL, TOWN OF Marshall 6 Yes
66 LILESVILLE WATER SYSTEM Lilesville 6 Yes
67 CRAVEN COUNTY WATER SYSTEM New Bern 5 Yes
68 HALIFAX CO--HALIFAX Halifax 5 Yes
69 KINGS MOUNTAIN, TOWN OF Kings Mountain 5 Yes
70 DAN RIVER WATER INC Eden 5 Yes
71 NASHVILLE, TOWN OF Nashville 5 Yes
72 STOKES REGIONAL WATER CORP Stokes 5 Yes
73 OAKBORO, TOWN OF Oakboro 5 Yes
74 BEECH MOUNTAIN, TOWN OF Beech Mountain 5 Yes
75 VANCE CO WATER DISTRICT PHASE 2 Raleigh 5 Yes
76 BURLINGTON, CITY OF Burlington 4 Yes
77 SALISBURY-ROWAN Salisbury 4 Yes
78 ASHEBORO, CITY OF Asheboro 4 Yes
79 APPALACHIAN STATE UNIV WTP Boone 4 Yes
80 WOODFIN SANITARY WATER AND SEWER Asheville 4 Yes
81 ATLANTIC BEACH, TOWN OF Atlantic Beach 4 Yes
82 CFPUA - WRIGHTSVILLE BEACH Wilmington 4 Yes
83 KURE BEACH WATER SYSTEM Kure Beach 4 Yes
84 CAROLINA TRACE WATER SYSTEM Charlotte 4 Yes
85 TROY, TOWN OF Troy 4 Yes
86 BLADENBORO, TOWN OF Bladenboro 4 Yes
87 BISCOE, TOWN OF Biscoe 4 Yes
88 RUTHERFORD COLLEGE TOWN OF Rutherford College 4 Yes
89 FRANKLINVILLE, TOWN OF Franklinville 4 Yes
90 GROVER, TOWN OF Grover 4 Yes
91 SMITHFIELD SOUTH WATER DIST Smithfield 4 Yes
92 CULLASAJA CLUB Highlands 4 Yes
93 LENOIR, CITY OF Lenoir 3 Yes
94 WAYNESVILLE, TOWN OF Waynesville 3 Yes
95 PAMLICO COUNTY WATER Bayboro 3 Yes
96 PERQUIMANS COUNTY WATER SYSTEM Hertford 3 Yes
97 CHINA GROVE, TOWN OF Salisbury 3 Yes
98 WHISPERING PINES DEVELOPMENT Charlotte 3 Yes
99 WINGATE, TOWN OF Wingate 3 Yes
100 OSSIPEE TOWN OF Elon 3 Yes
101 STOKESDALE, TOWN OF Stokesdale 3 Yes
102 PINEBLUFF, TOWN OF Pinebluff 3 Yes
103 ELLERBE TOWN OF Ellerbe 3 Yes
104 STANLY CO-PALESTINE-BADIN DIST Albemarle 3 Yes
105 FAITH, TOWN OF Faith 3 Yes
106 NEWLAND, TOWN OF Newland 3 Yes
107 SEABOARD, TOWN OF Seaboard 3 Yes
108 RHODHISS, TOWN OF Rhodhiss 3 Yes
109 POLLOCKSVILLE, TOWN OF Pollocksville 3 Yes
110 ONSLOW WTR AND SEWER AUTHORITY Jacksonville 2 Yes
111 HIGH POINT, CITY OF High Point 2 Yes
112 LINCOLN COUNTY WTP Denver 2 Yes
113 JACKSONVILLE CITY OF Jacksonville 2 Yes
114 SANFORD, CITY OF Sanford 2 Yes
115 BRUNSWICK REGIONAL WATER AND SEWER H2GO Leland 2 Yes
116 MONROE, CITY OF Monroe 2 Yes
117 FUQUAY-VARINA, TOWN OF Fuquay-varina 2 Yes
118 HOKE CO REGIONAL WATER SYSTEM Raeford 2 Yes
119 SOUTHERN PINES, TOWN OF Pinebluff 2 Yes
120 SHELBY, CITY OF Shelby 2 Yes
121 CLIFFDALE WEST Cary 2 Yes
122 ARCHDALE, CITY OF Archdale 2 Yes
123 ROCKINGHAM, CITY OF Rockingham 2 Yes
124 BLACK MOUNTAIN, TOWN OF Black Mountain 2 Yes
125 WARREN COUNTY WATER SYSTEM Warrenton 2 Yes
126 FRANKLIN, TOWN OF Franklin 2 Yes
127 HANDY SANITARY DISTRICT Denton 2 Yes
128 CENTRAL NASH WATER & SEWER Nashville 2 Yes
129 FAIRFIELD HARBOUR Charlotte 2 Yes
130 BOGUE BANKS WATER CORPORATION Emerald Isle 2 Yes
131 RED SPRINGS, TOWN OF Red Springs 2 Yes
132 BRYSON CITY, TOWN OF Bryson City 2 Yes
133 MOUNT OLIVE, TOWN OF Mount Olive 2 Yes
134 BURNSVILLE, TOWN OF Burnsville 2 Yes
135 MORAVIAN FALLS WATER SYSTEM Moravian Falls 2 Yes
136 LIBERTY, TOWN OF Liberty 2 Yes
137 LAKE WACCAMAW, TOWN OF Lake Waccamaw 2 Yes
138 MAYODAN, TOWN OF Mayodan 2 Yes
139 LINVILLE LAND HARBOR Linville 2 Yes
140 NORTHAMPTON--PROGRESSIVE Jackson 2 Yes
141 WALNUT COVE, TOWN OF Walnut Cove 2 Yes
142 PILOT MOUNTAIN, TOWN OF Pilot Mountain 2 Yes
143 WEST JEFFERSON, TOWN OF West Jefferson 2 Yes
144 STONEVILLE, TOWN OF Stoneville 2 Yes
145 GOLDSTON-GULF SANITARY DIST Goldston 2 Yes
146 MAGNOLIA, TOWN OF Magnolia 2 Yes
147 TOWN OF FONTANA DAM Fontana Dam 2 Yes
148 FAIRFIELD MTNS-APPLE VALLEY Charlotte 2 Yes
149 ROBESON COUNTY WATER SYSTEM Lumberton 1 Yes
150 GOLDSBORO, CITY OF Goldsboro 1 Yes
151 MOORE CO PUBLIC UTIL-PINEHURST Carthage 1 Yes
152 CLAYTON, TOWN OF Clayton 1 Yes
153 IREDELL WATER CORPORATION Statesville 1 Yes
154 LUMBERTON, CITY OF Lumberton 1 Yes
155 CURRITUCK COUNTY WATER SYSTEM Maple 1 Yes
156 CHATHAM CO-NORTH Sanford 1 Yes
157 EASTERN PINES WATER CORP Greenville 1 Yes
158 WEST CARTERET WATER CORP Newport 1 Yes
159 CHEROKEE WATER SYSTEM Cherokee 1 Yes
160 MARINE CORPS AIR STATION CHERRY POINT Cherry Point 1 Yes
161 USMC LEJEUNE--HOLCOMB BLVD Camp Lejeune 1 Yes
162 WAYNE WATER DISTRICTS PURCHASE Goldsboro 1 Yes
163 ALEXANDER CO WTR DIST Hickory 1 Yes
164 WASHINGTON, CITY OF Washington 1 Yes
165 SMITHFIELD, TOWN OF Smithfield 1 Yes
166 WEST WILKES WTR ASSOCIATION INC Millers Creek 1 Yes
167 CHOWAN CO WATER SYSTEM Edenton 1 Yes
168 BELL ARTHUR WATER CORP Bell Arthur 1 Yes
169 TARBORO, TOWN OF Tarboro 1 Yes
170 WINTERVILLE, TOWN OF Winterville 1 Yes
171 ANGIER, TOWN OF Angier 1 Yes
172 SURF CITY, TOWN OF Surf City 1 Yes
173 SOUTH CAMDEN WTR & SWR DISTRCT Camden 1 Yes
174 MAGGIE VALLEY SANITARY DIST Maggie Valley 1 Yes
175 TROUTMAN, TOWN OF Troutman 1 Yes
176 MOREHEAD CITY, TOWN OF Morehead City 1 Yes
177 MARION, CITY OF Marion 1 Yes
178 BLUE RIDGE WATER ASSOCIATION Hays 1 Yes
179 MULBERRY-FAIRPLAINS WTR ASSOC N Wilkesboro 1 Yes
180 ICARD TOWNSHIP WATER CORP Hildebran 1 Yes
181 WILLIAMSTON, TOWN OF Williamston 1 Yes
182 WASHINGTON COUNTY WATER SYSTEM Plymouth 1 Yes
183 CHERRYVILLE, CITY OF Cherryville 1 Yes
184 FIRST CRAVEN SANITARY DISTRICT Bridgeton 1 Yes
185 SELMA, TOWN OF Selma 1 Yes
186 PITTSBORO, TOWN OF Sanford 1 Yes
187 WALLACE, TOWN OF Wallace 1 Yes
188 WHITE LAKE, TOWN OF White Lake 1 Yes
189 NORTHAMPTON--MILWAUKEE Jackson 1 Yes
190 SAWMILLS, TOWN OF Granite Falls 1 Yes
191 TRYON, TOWN OF Tryon 1 Yes
192 STANLEY, TOWN OF Stanley 1 Yes
193 WHITEVILLE, CITY OF Whiteville 1 Yes
194 JUNALUSKA SANITARY DISTRICT Clyde 1 Yes
195 NEWPORT WATER SYSTEM Newport 1 Yes
196 BOILING SPRINGS, TOWN OF Boiling Springs 1 Yes
197 RANDLEMAN, CITY OF Randleman 1 Yes
198 RANLO, TOWN OF Gastonia 1 Yes
199 MURPHY, TOWN OF Murphy 1 Yes
200 BEAUFORT, TOWN OF Beaufort 1 Yes
201 BURGAW, TOWN OF Burgaw 1 Yes
202 NORTHAMPTON--LAKE GASTON Jackson 1 Yes
203 LILLINGTON WATER SYSTEM Lillington 1 Yes
204 LOWELL, CITY OF Lowell 1 Yes
205 MURFREESBORO, TOWN OF Murfreesboro 1 Yes
206 CONNESTEE FALLS Charlotte 1 Yes
207 USMC LEJEUNE--RIFLE RANGE Camp Lejeune 1 Yes
208 BELVEDERE PLANTATION Charlotte 1 Yes
209 THE VILLAGE OF BALD HEAD ISLAND Bald Head Island 1 Yes
210 CLYDE, TOWN OF Clyde 1 Yes
211 PLYMOUTH WATER SYSTEM Plymouth 1 Yes
212 TYRRELL COUNTY WATER Columbia 1 Yes
213 MARSHVILLE, TOWN OF Marshville 1 Yes
214 MARS HILL, TOWN OF Mars Hill 1 Yes
215 TOWN OF RIVER BEND River Bend 1 Yes
216 FAIRMONT, TOWN OF Fairmont 1 Yes
217 MARTIN CO WATER & SEWER DIST 2 Williamson 1 Yes
218 BADIN SHORES RESORT New London 1 Yes
219 OLD SETTLERS WATER SYSTEM Jacksonville 1 Yes
220 MANTEO TOWN OF Manteo 1 Yes
221 DOBSON, TOWN OF Dobson 1 Yes
222 OCEAN SANDS DEVELOPMENT Corolla 1 Yes
223 CHOCOWINITY WATER SYSTEM Chocowinity 1 Yes
224 COLUMBUS TOWN OF Columbus 1 Yes
225 CHATHAM CO-SW CHATHAM Sanford 1 Yes
226 PINE LEVEL, TOWN OF Pine Level 1 Yes
227 CHADBOURN, TOWN OF Chadbourn 1 Yes
228 ELLENBORO TOWN OF Ellenboro 1 Yes
229 WOODLAKE WATER & SEWER INC Cary 1 Yes
230 LAKE JUNALUSKA ASSEMBLY Waynesville 1 Yes
231 MARTIN CO WATER & SEWER DIST I Williamson 1 Yes
232 HERTFORD WATER SYSTEM Hertford 1 Yes
233 LINDEN, TOWN OF Linden 1 Yes
234 BOONVILLE, TOWN OF Boonville 1 Yes
235 CLAY CO WATER & SEWER DISTRICT Hayesville 1 Yes
236 PARK SOUTH S/D Cary 1 Yes
237 SPARTA, TOWN OF Sparta 1 Yes
238 CONCORD COMM WATER SYSTEM Bostic 1 Yes
239 WOLF LAUREL RESORT Charlotte 1 Yes
240 OLD FORT, TOWN OF Old Fort 1 Yes
241 PRINCEVILLE, TOWN OF Tarboro 1 Yes
242 CHATHAM CO-ASBURY Sanford 1 Yes
243 ABINGTON S/D Charlotte 1 Yes
244 EAST BEND, TOWN OF East Bend 1 Yes
245 ROBERSONVILLE, TOWN OF Jacksonville 1 Yes
246 FAISON, TOWN OF Faison 1 Yes
247 HILLCREST-SCURLOCK WATER INC Raeford 1 Yes
248 BILTMORE FOREST, TOWN OF Asheville 1 Yes
249 ROWLAND, TOWN OF Rowland 1 Yes
250 FREMONT, TOWN OF Freemont 1 Yes
251 PINETOPS, TOWN OF Pinetops 1 Yes
252 GREEN MOUNTAIN PARK Lenoir 1 Yes
253 CATAWBA, TOWN OF Hickory 1 Yes
254 LAKE LURE, TOWN OF Lake Lure 1 Yes
255 NORTHAMPTON--GASTON Jackson 1 Yes
256 NORLINA, TOWN OF Norlina 1 Yes
257 MARBLE COMMUNITY WTR SYSTEM Marble 1 Yes
258 FIGURE 8 ISLAND Leland 1 Yes
259 SAXAPAHAW UTILITY COMPANY Saxapahaw 1 Yes

Systems with No Violations (241)

241 water systems in North Carolina have zero recorded violations. Showing the 50 largest by population served.

CHARLOTTE WATER (1,163,701) RALEIGH, CITY OF (640,000) WINSTON-SALEM, CITY OF (388,060) DURHAM, CITY OF (322,083) GREENSBORO, CITY OF (319,588) FAYETTEVILLE PUBLIC WORKS COMM (215,590) CFPUA-WILMINGTON (198,740) DAVIDSON WATER INC (153,632) HARNETT REGIONAL WATER (116,892) GREENVILLE UTILITIES COMM (103,140) TWO RIVERS UTILITIES (93,877) JOHNSTON CO-WEST (92,365) ORANGE WATER & SEWER AUTHORITY (86,300) APEX, TOWN OF (82,029) HENDERSONVILLE, CITY OF (79,278) HICKORY CITY OF (75,654) OLD NORTH UTILITIES SERVICES/FT BRAGG (65,000) CLEVELAND COUNTY WATER (58,755) ROCKY MOUNT, CITY OF (55,891) KANNAPOLIS, CITY OF (54,757) MOORESVILLE TOWN OF (52,509) HOLLY SPRINGS, TOWN OF (51,947) WILSON, CITY OF (50,001) NEW BERN, CITY OF (37,884) USMC LEJEUNE--HADNOT POINT (37,500) DARE COUNTY WATER SYSTEM (28,732) KINSTON, CITY OF (27,475) THOMASVILLE, CITY OF (27,287) MORGANTON CITY OF (27,221) OAK ISLAND, TOWN OF (26,924) KING, CITY OF (23,370) JOHNSTON CO-EAST (22,967) BEAUFORT CO NORTHSIDE REGIONAL WATER (22,405) FOREST CITY, TOWN OF (21,521) ENERGY UNITED WATER CORP (21,148) MEBANE, CITY OF (20,212) BOONE, TOWN OF (19,811) MOUNT HOLLY, CITY OF (19,200) ELIZABETH CITY, CITY OF (19,187) DUPLIN COUNTY WATER SYSTEM (18,542) NEWTON, CITY OF (18,407) ALBEMARLE, CITY OF (18,396) GRAHAM, CITY OF (18,354) LAURINBURG, CITY OF (18,288) BROAD RIVER WATER AUTHORITY (18,242) BELMONT, CITY OF (17,477) LINCOLNTON, CITY OF (15,839) ROANOKE RAPIDS SANITARY DIST (15,630) BAYLEAF MASTER (15,585) NORTH LENOIR WATER CORP (15,494) +191 more

All Water Systems in North Carolina (1,965)

Page 1 of 40, ordered by population served.

System Population Served Violations
CHARLOTTE WATER 1,163,701 0
RALEIGH, CITY OF 640,000 0
WINSTON-SALEM, CITY OF 388,060 0
DURHAM, CITY OF 322,083 0
GREENSBORO, CITY OF 319,588 0
CARY, TOWN OF 224,000 6
FAYETTEVILLE PUBLIC WORKS COMM 215,590 0
CFPUA-WILMINGTON 198,740 0
UNION COUNTY WATER SYSTEM 167,554 10
ASHEVILLE CITY OF 157,431 6
ONSLOW WTR AND SEWER AUTHORITY 156,755 2
DAVIDSON WATER INC 153,632 0
BRUNSWICK COUNTY WATER SYSTEM 142,227 6
CONCORD, CITY OF 120,548 8
HIGH POINT, CITY OF 118,399 2
HARNETT REGIONAL WATER 116,892 0
GREENVILLE UTILITIES COMM 103,140 0
TWO RIVERS UTILITIES 93,877 0
JOHNSTON CO-WEST 92,365 0
ORANGE WATER & SEWER AUTHORITY 86,300 0
APEX, TOWN OF 82,029 0
HENDERSONVILLE, CITY OF 79,278 0
HICKORY CITY OF 75,654 0
ROBESON COUNTY WATER SYSTEM 65,303 1
OLD NORTH UTILITIES SERVICES/FT BRAGG 65,000 0
BURLINGTON, CITY OF 61,365 4
CLEVELAND COUNTY WATER 58,755 0
ROCKY MOUNT, CITY OF 55,891 0
KANNAPOLIS, CITY OF 54,757 0
MOORESVILLE TOWN OF 52,509 0
HOLLY SPRINGS, TOWN OF 51,947 0
WILSON, CITY OF 50,001 0
LINCOLN COUNTY WTP 49,693 2
JACKSONVILLE CITY OF 49,093 2
SANFORD, CITY OF 48,350 2
BRUNSWICK REGIONAL WATER AND SEWER H2GO 45,748 2
SALISBURY-ROWAN 45,329 4
MONROE, CITY OF 43,081 2
FUQUAY-VARINA, TOWN OF 42,954 2
WAYNE WATER DISTRICTS 39,403 9
NEW BERN, CITY OF 37,884 0
CRAVEN COUNTY WATER SYSTEM 37,848 5
USMC LEJEUNE--HADNOT POINT 37,500 0
HOKE CO REGIONAL WATER SYSTEM 36,640 2
GOLDSBORO, CITY OF 34,959 1
PENDER COUNTY UTILITIES 31,600 45
DAVIE COUNTY WATER SYSTEM 31,543 8
STATESVILLE, CITY OF 30,843 6
MOORE CO PUBLIC UTIL-PINEHURST 30,377 1
CLAYTON, TOWN OF 29,689 1
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Frequently Asked Questions

How many water systems are in North Carolina?
North Carolina has 1,965 community water systems tracked by the EPA, serving a combined population of 9,548,812 people.
How many water systems in North Carolina have health violations?
656 water systems in North Carolina have health-based violations, which include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations. These represent 33% of all systems in the state.
What is the total number of water violations in North Carolina?
North Carolina water systems have accumulated 2,788 total violations across all 1,965 community water systems.

About This Data

Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Only community water systems (CWS) are included.

Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services

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