PlainWater
Counties → South Carolina

Dorchester County, South Carolina

Water Systems
56
Population Served
164,012
Total Violations
369
139 health-based
PFAS Detected
4
of 4 tested

Violation Analysis

53.6%
Systems with Violations
6.6
Avg Violations per System
37.7%
Health-Based Violations

Water Source Types

GW
33 systems (59%)
SW
17 systems (30%)

PFAS Contamination

4
Systems Tested
4
PFAS Detected
100.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Dorchester South Carolina water systems by violation status, EPA SDWIS records.

No violations on record (20) One or more violations (30)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Summerville Cpw (Sc1810003) 81,750 13 Detected
Dcwa Knightsville (1820001) 40,141 20 Detected
Dcws Ashley Phosphate (Sc1820008) 26,076 11 Detected
St George Town of (1810001) 2,300 18 -
Dcws/Clay Field Drive (Sc1850014) 1,648 0 -
Lieber Correctional Institute (1870050) 1,646 37 -
Dcws Southern Palms (Sc1850011) 1,494 7 -
Ridgeville Industrial Campus (Sc1830031) 1,000 0 -
Dcws Woodland High School (1870119) 1,000 0 -
Harleyville Town of (Sc1810002) 946 4 -
Dcws Edisto Tribal Council (1850010) 925 4 -
Dcwa Tranquil Acres (1820003) 858 1 -
Ridgeville Town of (Sc1810004) 710 33 -
Dorchester Co Career School (Sc1870109) 325 8 -
Dcws Reevesville (Sc1820002) 300 0 -
Dcwa Calomet Valley (1850009) 275 0 Detected
Harleyville Elem School (Sc1870101) 275 19 -
Heron's Walk Phase 1 (Sc1850017) 231 0 -
Resonac Graphite America Inc (Sc1830007) 230 10 -
Hm Southeast Cement Harleyville 1830001 180 8 -
Dcws Caleb Court (Sc1850015) 156 0 -
Dcws Conoflow (Sc1820007) 150 8 -
Crossroads BBQ (Sc1872003) 150 0 -
Quikrete Construction Material (1830005) 105 25 -
Dcws I-95 (Sc1870914) 102 53 -
Dcws Building (1870903) 100 7 -
Inn at Middleton Place (Sc1870400) 85 0 -
Middleton Place (Sc1870902) 85 30 -
Dcws Highway 17a (1820009) 50 2 -
Primo-Food Lion 1542 (Sc1880010) 50 0 -
Ronnies Station (1870200) 26 2 -
Enk 892 (Sc1870205) 26 1 -
Carter Fast Stop #3 (Sc1870212) 26 5 -
Scprt-Givhan's Park (Sc1870600) 26 3 -
Brosnan Forest #1 (Sc1870675) 26 9 -
Brosnan Forest #2 (1870676) 26 4 -
Francis Beidler Forest (Sc1870901) 26 2 -
Dorchester Shrine Club (Sc1870906) 26 0 -
Jrs Grocery (Sc1870912) 26 13 -
Country Corner 8 (Sc1870915) 26 8 -
SC Dps Northbound I95 Weigh Station 26 4 -
Gatherings LLC (Sc1874001) 26 0 -
Dcwa Knightsville-Ro Unit (1880001) 26 0 -
Primo-Walmart 0628 (1880008) 26 0 -
Primo-Walmart 1037 (Sc1880009) 26 0 -
Primo-Walmart 6174 (1880014) 26 0 -
Primo-Walmart 5279 (Sc1880016) 26 0 -
Primo-Lowes Foods 270 (Sc1880017) 26 0 -
Primo-Food Lion 2247 (Sc1880018) 26 0 -
Primo-Publix 0824 (Sc1880019) 26 0 -

Other Counties in South Carolina

Greenville County
45 systems · 498,460 served · 567 violations
Charleston County
74 systems · 480,067 served · 846 violations
Horry County
53 systems · 416,612 served · 307 violations
Richland County
77 systems · 361,654 served · 5,612 violations
Spartanburg County
29 systems · 318,077 served · 154 violations
Anderson County
40 systems · 206,616 served · 1,334 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Dorchester County? ▼
Dorchester County has 369 total drinking water violations across 56 water systems, of which 139 are health-based violations. 53.6% of systems have at least one violation.
How many people get water from Dorchester County systems? ▼
Water systems in Dorchester County serve approximately 164,012 people through 56 public water systems.
Has PFAS been detected in Dorchester County water? ▼
Of 4 water systems tested for PFAS in Dorchester County, 4 had PFAS detected (100.0% detection rate).
What types of water sources supply Dorchester County? ▼
Water systems in Dorchester County use GW (33 systems), SW (17 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 37.7% of Dorchester County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.