County profile · EPA SDWIS + UCMR5
Calhoun County, South Carolina
11 SDWIS-listed public water systems serve 6,171 people in Calhoun County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.
- 11
- SDWIS water systems Smaller third of counties
- 253
- Total violations Lower third of counties
- 90.9%
- SDWIS systems w/ a violation Lower third of counties
- -
- UCMR5 PFAS (none tested) No UCMR5 tests
SDWIS compliance plate
Sheet SC017 · Calhoun County 11 sys · 253 viol · #2685/3254
VIOL-SEVERE · HEALTH-LOW · RANK-BOTTOM · PHOTO-FINISH · PFAS-NONE · SRC-GW · SYS-SMALL · BOOK-MOST
- VIOL-SEVERE 90.9% flagged
- HEALTH-LOW 18.2% health
- RANK-BOTTOM #2685/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-NONE No UCMR5 set
- SRC-GW GW lead 100%
- SYS-SMALL 11 systems
- BOOK-MOST 6/7 fields
Nearest flagged-rate peer: Laurens County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Calhoun County ranks #2,685 of 3,254 counties by people served, and #44 of 46 counties in South Carolina. See methodology · corpus placement.
Calhoun County standing, lower-flagged corpus third
Flagged-system rate 90.9% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 18.2% is health-based share in the middle third (≤ 24.5%) . No UCMR5 tests in this extract for Calhoun County . Population served ranks #2,685 of 3,254 · #44 of 46 in South Carolina.
Flagged-rate neighbourhood around Calhoun County
Lowest/highest poles plus in-state counties nearest Calhoun County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| St Matthews Town of (Sc0910001) | 2,644 | 65 | - |
| Upper Calhoun/Belleville (0920001) | 1,779 | 30 | - |
| Upper Calhoun/Sandy Run (Sc0920002) | 1,247 | 34 | - |
| Devro-Teepak (Sc0930003) | 185 | 32 | - |
| Poplar Creek (Sc0960001) | 100 | 6 | - |
| Tri-County Electric Coop (0970901) | 50 | 40 | - |
| Scotchman 3886 (Sc0970910) | 50 | 2 | - |
| Calhoun Hills Golf Complex (Sc0970875) | 40 | 30 | - |
| Country Clear Inc (Sc0973000) | 26 | 0 | - |
| Sweetwater Lake (Sc0970800) | 25 | 4 | - |
| Hickory Springs Bottling Inc (Sc0973001) | 25 | 10 | - |
Compare beyond South Carolina
Lower-flagged peers for Calhoun County
Cross-state counties nearest Calhoun County on flagged-system share (90.9%) and cumulative violation count (253). 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.