Water Quality in South Carolina
557 water systems • 204 cities • EPA SDWIS Data
557
Water Systems
13,045
Total Violations
0
Health-Based Violations
4,631,800
Population Served
Overview
South Carolina ranks 35th among all U.S. states for total drinking water violations, out of 51 states tracked. The state has 13,045 EPA Safe Drinking Water Act violations on record across 557 water systems serving 204 cities. None of the recorded violations are classified as health-based, indicating no contaminant was measured above safe EPA thresholds. South Carolina's total violation count is 63% below the national average. Water systems in South Carolina serve approximately 4,631,800 people. The most frequently cited contaminants in South Carolina violations include Nitrate, Coliform (TCR), TTHM, Total Haloacetic Acids (HAA5), 1,2,4-Trichlorobenzene.
Cities with Most Violations in South Carolina
| # | City | Violations | Health-Based | Water Systems | Population |
|---|---|---|---|---|---|
| 1 | COLUMBIA | 444 | 0 | 44 | 321,706 |
| 2 | LEXINGTON | 238 | 0 | 45 | 74,895 |
| 3 | YORK | 232 | 0 | 31 | 58,394 |
| 4 | LAURENS | 184 | 0 | 4 | 50,256 |
| 5 | SALUDA | 162 | 0 | 10 | 7,980 |
| 6 | NEWBERRY | 152 | 0 | 6 | 19,564 |
| 7 | GASTON | 132 | 0 | 13 | 11,020 |
| 8 | RIDGEWAY | 112 | 0 | 7 | 1,108 |
| 9 | GREENWOOD | 106 | 0 | 16 | 49,782 |
| 10 | BURTON | 104 | 0 | 2 | 114 |
Largest Cities in South Carolina
| # | City | Population | Violations | Water Systems |
|---|---|---|---|---|
| 1 | GREENVILLE | 396,265 | 0 | 21 |
| 2 | CHARLESTON | 327,422 | 0 | 19 |
| 3 | COLUMBIA | 321,706 | 444 | 44 |
| 4 | CONWAY | 304,418 | 44 | 17 |
| 5 | SPARTANBURG | 141,929 | 0 | 23 |
| 6 | SUMMERVILLE | 124,267 | 18 | 33 |
| 7 | MONCKS CORNER | 117,486 | 0 | 18 |
| 8 | GREER | 93,608 | 0 | 8 |
| 9 | LANCASTER | 93,181 | 64 | 7 |
| 10 | MOUNT PLEASANT | 91,500 | 0 | 18 |
All Cities in South Carolina
| City | Population | Violations | Health Violations | Contaminants |
|---|---|---|---|---|
| GREENVILLE | 396,265 | 0 | 0 | |
| CHARLESTON | 327,422 | 0 | 0 | |
| COLUMBIA | 321,706 | 444 | 0 | Chlorite, Coliform (TCR) |
| CONWAY | 304,418 | 44 | 0 | Fluoride |
| SPARTANBURG | 141,929 | 0 | 0 | |
| SUMMERVILLE | 124,267 | 18 | 0 | Coliform (TCR), TTHM |
| MONCKS CORNER | 117,486 | 0 | 0 | |
| GREER | 93,608 | 0 | 0 | |
| LANCASTER | 93,181 | 64 | 0 | Coliform (TCR), TTHM, Total Haloacetic Acids (HAA5) |
| MOUNT PLEASANT | 91,500 | 0 | 0 | |
| LYMAN | 87,259 | 0 | 0 | |
| ROCK HILL | 86,584 | 100 | 0 | Coliform (TCR), TTHM |
| FLORENCE | 79,745 | 0 | 0 | |
| EASLEY | 77,575 | 0 | 0 | |
| LEXINGTON | 74,895 | 238 | 0 | Coliform (TCR), Total Haloacetic Acids (HAA5) |
| MYRTLE BEACH | 66,139 | 74 | 0 | Coliform (TCR), Fluoride, TTHM |
| SUMTER | 59,590 | 42 | 0 | Coliform (TCR) |
| DARLINGTON | 59,430 | 2 | 0 | Coliform (TCR) |
| ANDERSON | 58,808 | 2 | 0 | Coliform (TCR) |
| YORK | 58,394 | 232 | 0 | Coliform (TCR), TTHM, Total Haloacetic Acids (HAA5) |
| AIKEN | 50,805 | 80 | 0 | Coliform (TCR) |
| LAURENS | 50,256 | 184 | 0 | Coliform (TCR), TTHM, Total Haloacetic Acids (HAA5) |
| GREENWOOD | 49,782 | 106 | 0 | Coliform (TCR) |
| ORANGEBURG | 47,176 | 8 | 0 | Coliform (TCR) |
| PAWLEYS ISLAND | 46,934 | 12 | 0 | Total Haloacetic Acids (HAA5) |
| WEST COLUMBIA | 46,678 | 40 | 0 | Coliform (TCR), Total Haloacetic Acids (HAA5) |
| HILTON HEAD ISLAND | 46,235 | 4 | 0 | Coliform (TCR) |
| GAFFNEY | 44,409 | 18 | 0 | Coliform (TCR), TTHM |
| GOOSE CREEK | 40,628 | 0 | 0 | |
| NORTH MYRTLE BEACH | 40,625 | 4 | 0 | Fluoride |
| SENECA | 38,902 | 0 | 0 | |
| INMAN | 36,685 | 0 | 0 | |
| JOHNS ISLAND (STA.) | 32,142 | 8 | 0 | Coliform (TCR) |
| FORT JACKSON | 31,000 | 4 | 0 | Coliform (TCR) |
| NORTH AUGUSTA | 29,200 | 28 | 0 | Total Haloacetic Acids (HAA5) |
| WOODRUFF | 28,897 | 28 | 0 | TTHM |
| FORT MILL | 28,512 | 16 | 0 | TTHM |
| CHESTERFIELD | 27,361 | 0 | 0 | |
| CLEMSON | 26,882 | 8 | 0 | Coliform (TCR) |
| MARION | 26,224 | 2 | 0 | Coliform (TCR) |
| NORTH CHARLESTON | 26,076 | 0 | 0 | |
| WESTMINSTER | 26,069 | 20 | 0 | Coliform (TCR), TTHM |
| CASSATT | 25,485 | 0 | 0 | |
| PICKENS | 25,426 | 10 | 0 | Coliform (TCR), Total Haloacetic Acids (HAA5) |
| DILLON | 24,961 | 2 | 0 | Coliform (TCR) |
| LUGOFF | 22,873 | 0 | 0 | |
| UNION | 22,031 | 64 | 0 | TTHM |
| LA FRANCE | 21,301 | 0 | 0 | |
| BELTON | 21,193 | 0 | 0 | |
| NEWBERRY | 19,564 | 152 | 0 | Coliform (TCR), TTHM, Total Haloacetic Acids (HAA5) |
| WALHALLA | 18,511 | 0 | 0 | |
| CAMDEN | 18,193 | 0 | 0 | |
| CHESNEE | 18,152 | 0 | 0 | |
| GRANITEVILLE | 17,822 | 32 | 0 | Total Haloacetic Acids (HAA5) |
| CAYCE | 17,460 | 16 | 0 | TTHM |
| WEST ANDERSON | 17,430 | 0 | 0 | |
| DALZELL | 16,457 | 0 | 0 | |
| FORT LAWN | 15,668 | 0 | 0 | |
| WINNSBORO | 15,378 | 0 | 0 | |
| SIX MILE | 14,845 | 0 | 0 | |
| BENNETTSVILLE | 14,430 | 16 | 0 | Total Haloacetic Acids (HAA5) |
| GEORGETOWN | 14,033 | 0 | 0 | |
| KINGSTREE | 13,153 | 8 | 0 | Coliform (TCR) |
| LIBERTY | 12,917 | 0 | 0 | |
| GLOVERVILLE | 12,113 | 0 | 0 | |
| WALTERBORO | 11,883 | 0 | 0 | |
| STARR | 11,125 | 0 | 0 | |
| GASTON | 11,020 | 132 | 0 | Coliform (TCR) |
| SALEM | 10,822 | 48 | 0 | Coliform (TCR) |
| TEGA CAY | 10,500 | 0 | 0 | |
| MCCORMICK | 10,318 | 76 | 0 | TTHM |
| MANNING | 10,201 | 0 | 0 | |
| CLOVER | 9,707 | 24 | 0 | Coliform (TCR) |
| ISLE OF PALMS | 9,530 | 0 | 0 | |
| LAKE CITY | 9,191 | 0 | 0 | |
| CLINTON | 8,938 | 8 | 0 | Coliform (TCR) |
| BEECH ISLAND | 8,935 | 8 | 0 | Coliform (TCR) |
| HARTSVILLE | 8,711 | 0 | 0 | |
| SALUDA | 7,980 | 162 | 0 | Coliform (TCR), TTHM |
| GILBERT | 7,835 | 20 | 0 | Coliform (TCR) |
| MULLINS | 7,366 | 0 | 0 | |
| BATESBURG | 7,098 | 8 | 0 | Coliform (TCR) |
| WILLIAMSTON | 6,693 | 0 | 0 | |
| ALLENDALE | 6,576 | 16 | 0 | Coliform (TCR) |
| CHERAW | 6,421 | 32 | 0 | Coliform (TCR) |
| MCBEE | 5,982 | 6 | 0 | Coliform (TCR) |
| EDISTO BEACH | 5,946 | 8 | 0 | Coliform (TCR) |
| SEABROOK | 5,939 | 0 | 0 | |
| ABBEVILLE | 5,640 | 32 | 0 | TTHM |
| LANDRUM | 5,614 | 0 | 0 | |
| PENDLETON | 5,597 | 0 | 0 | |
| PACOLET | 5,323 | 16 | 0 | TTHM |
| CHAPIN | 5,222 | 80 | 0 | Arsenic, Coliform (TCR) |
| FOLLY BEACH | 5,086 | 0 | 0 | |
| JOHNSONVILLE | 5,083 | 0 | 0 | |
| BARNWELL | 4,693 | 0 | 0 | |
| BLACKSBURG | 4,496 | 26 | 0 | TTHM |
| HONEA PATH | 4,386 | 0 | 0 | |
| JONESVILLE | 4,381 | 20 | 0 | Coliform (TCR), TTHM |
| RIDGEVILLE | 4,071 | 4 | 0 | Coliform (TCR) |
| BISHOPVILLE | 3,810 | 0 | 0 | |
| BAMBERG | 3,735 | 0 | 0 | |
| NORTH | 3,728 | 30 | 0 | Coliform (TCR) |
| CARLISLE | 3,652 | 0 | 0 | |
| BETHUNE | 3,641 | 8 | 0 | Coliform (TCR) |
| PAGELAND | 3,554 | 8 | 0 | Coliform (TCR) |
| WALLACE | 3,552 | 20 | 0 | Coliform (TCR) |
| CENTRAL | 3,495 | 0 | 0 | |
| HAMPTON | 3,467 | 0 | 0 | |
| ANDREWS | 3,450 | 8 | 0 | Coliform (TCR) |
| LORIS | 3,428 | 0 | 0 | |
| WILLISTON | 3,251 | 0 | 0 | |
| HEMINGWAY | 3,191 | 42 | 0 | Coliform (TCR), TTHM |
| WARE SHOALS | 3,174 | 0 | 0 | |
| SUMMERTON | 3,032 | 8 | 0 | Coliform (TCR) |
| LADSON | 2,946 | 0 | 0 | |
| HOPKINS | 2,883 | 30 | 0 | Coliform (TCR) |
| NINETY SIX (CORPORATE NAME FOR | 2,880 | 0 | 0 | |
| RIDGELAND | 2,678 | 0 | 0 | |
| NEESES (CORPORATE NAME FOR NEE | 2,660 | 0 | 0 | |
| ST. MATTHEWS | 2,644 | 86 | 0 | Coliform (TCR) |
| KERSHAW | 2,567 | 8 | 0 | Coliform (TCR) |
| JENKINSVILLE | 2,550 | 52 | 0 | Coliform (TCR) |
| SULLIVANS ISLAND | 2,521 | 0 | 0 | |
| CALHOUN FALLS | 2,473 | 4 | 0 | Coliform (TCR) |
| ST. GEORGE | 2,450 | 0 | 0 | |
| MCCOLL | 2,445 | 16 | 0 | Coliform (TCR) |
| SANTEE | 2,433 | 0 | 0 | |
| COWARD | 2,283 | 0 | 0 | |
| WHITMIRE | 2,256 | 2 | 0 | Total Haloacetic Acids (HAA5) |
| YEMASSEE | 2,202 | 0 | 0 | |
| ESTILL | 2,120 | 4 | 0 | Chlorine |
| LATTA | 2,076 | 0 | 0 | |
| ELLOREE | 2,002 | 10 | 0 | Coliform (TCR) |
| LINCOLNVILLE | 1,980 | 20 | 0 | Coliform (TCR) |
| SWANSEA | 1,923 | 16 | 0 | TTHM |
| BARRINEAU CROSSROADS | 1,879 | 0 | 0 | |
| MITFORD | 1,878 | 0 | 0 | |
| IVA | 1,874 | 6 | 0 | Chlorine |
| VARNVILLE | 1,865 | 0 | 0 | |
| BATH | 1,847 | 0 | 0 | |
| PAMPLICO | 1,734 | 0 | 0 | |
| HOLLY HILL | 1,710 | 0 | 0 | |
| RIDGE SPRING | 1,575 | 40 | 0 | TTHM |
| PELION | 1,336 | 2 | 0 | Coliform (TCR) |
| LAKE VIEW (CORPORATE NAME FOR | 1,293 | 0 | 0 | |
| PROSPERITY | 1,292 | 0 | 0 | |
| BOWMAN | 1,274 | 8 | 0 | Coliform (TCR) |
| BRANCHVILLE | 1,218 | 48 | 0 | Coliform (TCR) |
| WEDGEFIELD | 1,200 | 0 | 0 | |
| IRMO | 1,151 | 0 | 0 | |
| SCRANTON | 1,133 | 0 | 0 | |
| RIDGEWAY | 1,108 | 112 | 0 | Coliform (TCR), TTHM |
| HARLEYVILLE | 1,048 | 58 | 0 | Total Haloacetic Acids (HAA5) |
| HELENA | 1,039 | 56 | 0 | Coliform (TCR), TTHM |
| LAMAR | 1,034 | 0 | 0 | |
| JEFFERSON | 948 | 0 | 0 | |
| HEATH SPRINGS | 947 | 0 | 0 | |
| GREELEYVILLE | 850 | 0 | 0 | |
| OLANTA | 801 | 2 | 0 | Coliform (TCR) |
| JAMESTOWN | 800 | 0 | 0 | |
| CLIO | 788 | 0 | 0 | |
| NORWAY | 775 | 16 | 0 | Coliform (TCR) |
| AWENDAW | 746 | 0 | 0 | |
| EASTOVER | 726 | 0 | 0 | |
| TURBEVILLE | 723 | 0 | 0 | |
| SPRINGFIELD | 700 | 6 | 0 | Coliform (TCR) |
| PINERIDGE | 683 | 0 | 0 | |
| NICHOLS | 678 | 0 | 0 | |
| MAYSVILLE | 665 | 0 | 0 | |
| HICKORY GROVE | 654 | 0 | 0 | |
| BRUNSON | 649 | 0 | 0 | |
| LANE | 585 | 0 | 0 | |
| SHARON | 573 | 0 | 0 | |
| LOCKHART | 560 | 98 | 0 | Coliform (TCR), TTHM |
| EUTAWVILLE | 555 | 2 | 0 | Coliform (TCR) |
| EHRHARDT | 507 | 8 | 0 | Coliform (TCR) |
| WEST UNION | 468 | 0 | 0 | |
| PINEWOOD | 455 | 8 | 0 | Coliform (TCR) |
| CATAWBA | 443 | 0 | 0 | |
| GIFFORD | 400 | 16 | 0 | Coliform (TCR) |
| RED BANK | 375 | 0 | 0 | |
| LYNCHBURG | 373 | 0 | 0 | |
| MCCONNELLS | 359 | 0 | 0 | |
| ELKO | 340 | 0 | 0 | |
| HILTON | 325 | 0 | 0 | |
| HILDA | 318 | 8 | 0 | Coliform (TCR) |
| STUCKEY | 317 | 0 | 0 | |
| BEAUFORT | 313 | 6 | 0 | Coliform (TCR) |
| REEVESVILLE | 300 | 0 | 0 | |
| OLAR | 291 | 0 | 0 | |
| RAVENEL | 252 | 48 | 0 | Coliform (TCR) |
| ULMER (CORPORATE NAME FOR ULME | 245 | 0 | 0 | |
| FURMAN | 238 | 54 | 0 | Coliform (TCR) |
| PELZER | 180 | 0 | 0 | |
| SMOAKS | 176 | 68 | 0 | Coliform (TCR) |
| SCOTIA | 161 | 16 | 0 | Coliform (TCR) |
| BLUFFTON | 153 | 0 | 0 | |
| TRAVELERS REST | 133 | 0 | 0 | |
| LODGE | 121 | 0 | 0 | |
| BURTON | 114 | 104 | 0 | Coliform (TCR) |
| SOUTH CONGAREE | 111 | 22 | 0 | Coliform (TCR) |
| ADAMS RUN | 103 | 0 | 0 | |
| WILLIAMS | 103 | 88 | 0 | Coliform (TCR) |
Water Quality in Other States
Alabama 13,972 violations Alaska 73,527 violations Arizona 60,414 violations Arkansas 17,031 violations California 39,276 violations Colorado 42,596 violations Connecticut 28,800 violations Delaware 1,242 violations District of Columbia 115 violations Florida 36,335 violations Georgia 32,159 violations Hawaii 182 violations Idaho 26,078 violations Illinois 30,544 violations Indiana 18,261 violations Iowa 9,389 violations Kansas 19,480 violations Kentucky 9,427 violations Louisiana 32,039 violations Maine 6,830 violations Maryland 5,321 violations Massachusetts 10,561 violations Michigan 15,820 violations Minnesota 3,784 violations Mississippi 25,296 violations Missouri 25,377 violations Montana 20,202 violations Nebraska 5,134 violations Nevada 8,167 violations New Hampshire 6,968 violations New Jersey 19,332 violations New Mexico 37,115 violations New York 93,834 violations North Carolina 54,399 violations North Dakota 8,431 violations Ohio 61,604 violations Oklahoma 128,472 violations Oregon 0 violations Pennsylvania 199,265 violations Rhode Island 0 violations South Dakota 19,565 violations Tennessee 20,607 violations Texas 263,180 violations Utah 71,655 violations Vermont 12,362 violations Virginia 15,298 violations Washington 54,459 violations West Virginia 81,622 violations Wisconsin 18,533 violations Wyoming 13,783 violations
Data Sources
Drinking water data from the EPA Safe Drinking Water Information System (SDWIS). Only active community water systems (CWS) serving 100+ people are included.