Darlington Water Quality Report
3 cities ranked · Average grade: A- · South Carolina
Avg Score
89.8
Cities Ranked
3
Health Violations
2
PFAS Detected
1
89.8
County avg score
3
Cities ranked
100%
A or B grade
0%
D or F grade
2
Health violations
1
PFAS detected
Grade Distribution
How Darlington cities scored
A
2
67%
Excellent
B
1
33%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs South Carolina average
▲ 8.0 pts above state average
City Map
Water quality across Darlington
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Darlington
Best cities
Worst cities
County context
1
Superfund site in Darlington
100.0%
of residents on fluoridated water (CDC, 2020)
5,901
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Darlington
Industrial polluters nearby
Facilities reporting the most surface-water releases in Darlington, 2023.
Total reported releases to surface water: 5,901 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
SONOCO PRODUCTS CO HARTSVILLE, SC29550 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 5,301 |
NUCOR STEEL-DARLINGTON DARLINGTON, SC29540 | Manganese compounds | 600 |
FRAZIER INDUSTRIAL CO LAMAR, SC29069 | — | — |
BARRIER REEF POOLS TIMMONSVILLE, SC29161 | — | — |
FIBER INDUSTRIES LLC DARLINGTON, SC29532 | — | — |
+ 3 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Darlington
Superfund sites nearby
Federally tracked hazardous-waste sites within Darlington on the EPA National Priorities List.
- GALEY AND LORD PLANT
Source: EPA Superfund National Priorities List
Full Rankings
All 3 cities in Darlington
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Lamar | A | 93.8 | 1K | 35 | Health Unresolved | |
| 2 | Hartsville | A | 91.7 | 9K | 2 | Unresolved | |
| 3 | Darlington | B+ | 83.8 | 59K | 20 | Health Unresolved |