County profile · EPA SDWIS + UCMR5
Darlington County, South Carolina
6 SDWIS-listed public water systems serve 69,227 people in Darlington County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.
- 6
- SDWIS water systems Smaller third of counties
- 155
- Total violations Lower third of counties
- 66.7%
- SDWIS systems w/ a violation Lower third of counties
- 0.0%
- UCMR5 PFAS rate (4 tested) Lower third of counties with tests
SDWIS compliance plate
Sheet SC031 · Darlington County 6 sys · 155 viol · #749/3254
VIOL-SEVERE · HEALTH-MID · RANK-UPPER · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-TINY · BOOK-FULL
- VIOL-SEVERE 66.7% flagged
- HEALTH-MID 27.7% health
- RANK-UPPER #749/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-CLEAN 0.0% detect
- SRC-GW GW lead 100%
- SYS-TINY 6 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Aiken County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Darlington County ranks #749 of 3,254 counties by people served, and #20 of 46 counties in South Carolina. See methodology · corpus placement.
Darlington County standing, lower-flagged corpus third
Flagged-system rate 66.7% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 27.7% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #749 of 3,254 · #20 of 46 in South Carolina.
Flagged-rate neighbourhood around Darlington County
Lowest/highest poles plus in-state counties nearest Darlington County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Darlington County W&sa (Sc1620001) | 52,288 | 20 | Clean |
| Hartsville City of (Sc1610003) | 8,711 | 8 | Clean |
| Darlington City of (Sc1610001) | 7,142 | 38 | Clean |
| Lamar Town of (Sc1610004) | 1,034 | 89 | Clean |
| Lakeview Club (Sc1670676) | 26 | 0 | - |
| Primo-Walmart (Sc1680002) | 26 | 0 | - |
Compare beyond South Carolina
Lower-flagged peers for Darlington County
Cross-state counties nearest Darlington County on flagged-system share (66.7%) and cumulative violation count (155). In-state neighbours stay on the compliance plate above.
Similar flagged-system rate
Nearest cross-state counties by % of SDWIS systems with at least one violation on record.
Similar violation load
Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).
Read our methodology · Check your water system - how this data is sourced, computed, and verified.
Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.