County profile · EPA SDWIS + UCMR5
Allendale County, South Carolina
8 SDWIS-listed public water systems serve 9,261 people in Allendale County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.
- 8
- SDWIS water systems Smaller third of counties
- 188
- Total violations Lower third of counties
- 87.5%
- SDWIS systems w/ a violation Lower third of counties
- 0.0%
- UCMR5 PFAS rate (1 tested) Lower third of counties with tests
SDWIS compliance plate
Sheet SC005 · Allendale County 8 sys · 188 viol · #2422/3254
VIOL-SEVERE · HEALTH-LOW · RANK-LOWER · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-TINY · BOOK-FULL
- VIOL-SEVERE 87.5% flagged
- HEALTH-LOW 18.6% health
- RANK-LOWER #2422/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-CLEAN 0.0% detect
- SRC-GW GW lead 100%
- SYS-TINY 8 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Anderson County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Allendale County ranks #2,422 of 3,254 counties by people served, and #42 of 46 counties in South Carolina. See methodology · corpus placement.
Allendale County standing, lower-flagged corpus third
Flagged-system rate 87.5% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 18.6% is health-based share in the middle 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 #2,422 of 3,254 · #42 of 46 in South Carolina.
Flagged-rate neighbourhood around Allendale County
Lowest/highest poles plus in-state counties nearest Allendale County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Allendale Town of (Sc0310001) | 3,882 | 59 | Clean |
| Allendale Industrial Park (Sc0320002) | 2,694 | 44 | - |
| Fairfax Town of (Sc0310004) | 1,962 | 47 | - |
| Ulmer Town of (Sc0310002) | 245 | 15 | - |
| Coosaw Ag LLC (Sc0371007) | 145 | 3 | - |
| West Fraser (Sc0330005) | 137 | 11 | - |
| Archroma US Inc (0330001) | 100 | 9 | - |
| Coosaw Farms Labor Camp (0371006) | 96 | 0 | - |
Compare beyond South Carolina
Lower-flagged peers for Allendale County
Cross-state counties nearest Allendale County on flagged-system share (87.5%) and cumulative violation count (188). 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.