Horry Water Quality Report
4 cities ranked · Average grade: B · South Carolina
Avg Score
77.2
Cities Ranked
4
Health Violations
3
PFAS Detected
3
77.2
County avg score
4
Cities ranked
75%
A or B grade
0%
D or F grade
3
Health violations
3
PFAS detected
Grade Distribution
How Horry cities scored
A
1
25%
Excellent
B
2
50%
Good
C
1
25%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs South Carolina average
▼ 4.6 pts below state average
City Map
Water quality across Horry
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Horry
Worst cities
County context
100.0%
of residents on fluoridated water (CDC, 2020)
6
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Horry
Industrial polluters nearby
Facilities reporting the most surface-water releases in Horry, 2023.
Total reported releases to surface water: 6 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
CONCRETE SUPPLY CO. LLC - CONWAY CONWAY, SC29526 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 5 |
CONCRETE SUPPLY CO - SOUTH MYRTLE BEACH MYRTLE BEACH, SC29577 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 1 |
S&W LITTLE RIVER PLANT LITTLE RIVER, SC29566 | Lead | 0 |
S&W CONWAY PLANT CONWAY, SC29526 | Lead | 0 |
S&W MURRELLS INLET MURRELLS INLET, SC29576 | Lead | 0 |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 4 cities in Horry
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Loris | A- | 85.1 | 3K | 7 | Unresolved | |
| 2 | North Myrtle Beach | B+ | 81.8 | 41K | 16 | Health PFAS Unresolved | |
| 3 | Myrtle Beach | B- | 74.5 | 66K | 54 | Health PFAS Unresolved | |
| 4 | Conway | C+ | 67.5 | 304K | 34 | Health PFAS Unresolved |