We found 96 public water systems in Dorchester county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Summerville Cpw (1810003) | Summerville | 61,040 | 35 | 7 |
| Dcwa Knightsville (1820001) | Summerville | 22,122 | 43 | 4 |
| Dcws Ashley Phosphate (1820008) | North Charleston | 20,196 | 39 | 4 |
| St George Town Of (1810001) | St. George | 2,258 | 0 | 2 |
| Lieber Correctional Institute (1870050) | Ridgeville | 1,646 | 0 | 17 |
| Dorchester W/s-windsor | County of Dorchester | 1,344 | 0 | 0 |
| Dcws Southern Palms (1850011) | Ladson | 1,122 | 0 | 3 |
| Dcws Woodland High School (1870119) | St. George | 1,000 | 0 | 0 |
| Dcws Ashley Ridge Hs (1870123) | Summerville | 1,000 | 0 | 1 |
| Dcwa Tranquil Acres (1820003) | Ladson | 840 | 0 | 0 |
| Knightsville | County of Dorchester | 827 | 0 | 0 |
| Harleyville Town Of (sc1810002) | Harleyville | 741 | 0 | 1 |
| Ridgeville Town Of (sc1810004) | Ridgeville | 600 | 0 | 9 |
| Harleyville-ridgevlle Es (1870101) | Harleyville | 550 | 0 | 6 |
| Dcws Edisto Tribal Council (1850010) | Ridgeville | 537 | 0 | 2 |
| Dorchester Co Career School (1870109) | Dorchester | 325 | 0 | 3 |
| Dcwa Calomet Valley (1850009) | Summerville | 313 | 0 | 0 |
| Dor Academy | County of Dorchester | 310 | 0 | 0 |
| Dcwa Reevesville (1820002) | Reevesville | 243 | 0 | 0 |
| Showa Denka Inc (1830007) | Harleyville | 230 | 0 | 1 |
| Giant Cement Holding Co (sc1830001) | County of Dorchester | 180 | 0 | 2 |
| Dcwa Conoflow (1820007) | St. George | 150 | 0 | 0 |
| Givhan's Community School (1870100) | Ridgeville | 140 | 0 | 5 |
| Argos Cement Llc (1830005) | Harleyville | 121 | 0 | 0 |
| Dcws Highway 17a (1820009) | Summerville | 120 | 0 | 0 |
| Cloverleaf Mhp | County of Dorchester | 118 | 0 | 0 |
| Dcws Building (1870903) | Dorchester | 100 | 0 | 0 |
| Dcws I-95 (1870914) | Harleyville | 97 | 0 | 0 |
| Good Shepard School | County of Dorchester | 90 | 0 | 0 |
| Middleton Place (sc1870902) | County of Dorchester | 85 | 0 | 0 |
| Briteline Extru | County of Dorchester | 80 | 0 | 0 |
| Greta's | County of Dorchester | 66 | 0 | 0 |
| Key West Boats, Inc | County of Dorchester | 60 | 0 | 0 |
| Ray's Rest | County of Dorchester | 60 | 0 | 0 |
| Gws-food Lion 1542 (1880010) | Summerville | 50 | 0 | 0 |
| Sandhill Head Start Ctr | County of Dorchester | 47 | 0 | 0 |
| Dorchester W/s-windsor | County of Dorchester | 30 | 0 | 0 |
| After School/summer Fun | County of Dorchester | 28 | 0 | 0 |
| Aws/bi-lo #228 | County of Dorchester | 26 | 0 | 0 |
| Plantation Center | County of Dorchester | 26 | 0 | 0 |
| Carter Fast Stop #3 (1870212) | Ridgeville | 26 | 0 | 0 |
| Jedburg Radar | County of Dorchester | 26 | 0 | 0 |
| Low Country Superette | County of Dorchester | 26 | 0 | 0 |
| Sand Lakes Property Llc (1870916) | County of Dorchester | 26 | 0 | 0 |
| Gws/bi Lo #245 | County of Dorchester | 26 | 0 | 0 |
| Gws/bi Lo #296 | County of Dorchester | 26 | 0 | 0 |
| Jerry's Truck Stop | County of Dorchester | 26 | 0 | 0 |
| Brax-n-riggs | County of Dorchester | 26 | 0 | 0 |
| Greene's Rest | County of Dorchester | 26 | 0 | 0 |
| Black's Kitchen | County of Dorchester | 26 | 0 | 0 |
| Dcwa Knightsville-ro Unit (1880001) | County of Dorchester | 26 | 0 | 0 |
| Ez Shop 27 (1870205) | Harleyville | 26 | 0 | 0 |
| Middleton Place | County of Dorchester | 26 | 0 | 0 |
| Sweatmans #2 | County of Dorchester | 26 | 0 | 0 |
| Dorchester Shrine Club (1870906) | Summerville | 26 | 0 | 0 |
| Infingers Amoco | County of Dorchester | 26 | 0 | 0 |
| Givhans Stop And Shop (1870915) | Ridgeville | 26 | 0 | 0 |
| Gws/food Lion #1542 | County of Dorchester | 26 | 0 | 0 |
| Francis Beidler Forest (sc1870901) | County of Dorchester | 26 | 0 | 0 |
| Scprt-givhan's Park (1870600) | Givhans | 26 | 0 | 0 |
| Ronnies Station (1870200) | County of Dorchester | 26 | 0 | 0 |
| Brosnan Forest #2 (1870676) | Dorchester | 26 | 0 | 0 |
| Brosnan Forest #1 (1870675) | Dorchester | 26 | 0 | 0 |
| Gatherings Llc (1874001) | Dorchester | 26 | 0 | 0 |
| Gws-walmart 1037 (1880009) | Summerville | 26 | 0 | 0 |
| Gws-walmart 0628 (1880008) | Summerville | 26 | 0 | 0 |
| Gws - Walmart 5279 - 1616 Central Ave | Summerville | 26 | 0 | 0 |
| Jrs Grocery (1870912) | County of Dorchester | 26 | 0 | 0 |
| Gws-walmart 6174 (1880014) | Summerville | 26 | 0 | 0 |
| Sc Dps Northbound I95 Weigh Station | Walterboro | 26 | 0 | 0 |
| Bellwright Ind | County of Dorchester | 26 | 0 | 0 |
| Smith's Meat | County of Dorchester | 26 | 0 | 0 |
| Smith Meats #2 | County of Dorchester | 26 | 0 | 0 |
| Utsey Sausage | County of Dorchester | 26 | 0 | 0 |
| Collins Ice Co | County of Dorchester | 26 | 0 | 0 |
| Gws/publix #483 | County of Dorchester | 26 | 0 | 0 |
| Waynes Grocery (1872000) | St. George | 25 | 0 | 0 |
| Kings One Stop (1870928) | Dorchester | 25 | 0 | 0 |
| Giant Resource Recovery (sc1830024) | Harleyville | 25 | 0 | 0 |
| Crossroads Bbq (1872003) | St. George | 25 | 0 | 0 |
| Sandy's Stop-n-shop (1870938) | St. George | 25 | 0 | 0 |
| Cheryl Shulers Restaurant (1872004) | St. George | 25 | 0 | 0 |
| Dollar General-ridgeville (1870939) | Ridgeville | 25 | 0 | 0 |
| Jolly Acres Camp And Storage (1870921) | County of Dorchester | 15 | 0 | 0 |
| Winninghams (0830804) | County of Dorchester | 3 | 0 | 0 |
| J And J Country Store (1870931) | St. George | 0 | 0 | 0 |
| Raplh Infingers Grocery | County of Dorchester | 0 | 0 | 0 |
| Summit Subdivision | County of Dorchester | 0 | 0 | 0 |
| Dcpw Teal On Ashley (1850007) | County of Dorchester | 0 | 0 | 0 |
| Gws-bilo 0296 (1880011) | Summerville | 0 | 0 | 0 |
| Gws-bilo 228 (1880012) | Summerville | 0 | 0 | 0 |
| Gws-bilo 0645 (1880013) | Summerville | 0 | 0 | 0 |
| Dcwa Sprucewood (1820005) | County of Dorchester | 0 | 0 | 0 |
| Dcwa Stratton Capers (1820006) | County of Dorchester | 0 | 0 | 0 |
| Country Club Of St George Inc (1870875) | County of Dorchester | 0 | 0 | 0 |
| Wagers Day Care Center | County of Dorchester | 0 | 0 | 0 |