Lancaster County, South Carolina
SDWIS compliance plate
Sheet SC057 · Lancaster County 8 sys · 231 viol · #591/3254
VIOL-SEVERE · HEALTH-HIGH · RANK-TOP · ABOVE-PEER · PFAS-HIGH · SRC-SW · SYS-TINY · BOOK-FULL
- VIOL-SEVERE 62.5% flagged
- HEALTH-HIGH 61.0% health
- RANK-TOP #591/3254
- ABOVE-PEER +1.9 pp
- PFAS-HIGH 100.0% detect
- SRC-SW SW lead 75%
- SYS-TINY 8 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Orangeburg County ( -1.9 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Lancaster County ranks #591 of 3,254 counties by people served, and #16 of 46 counties in South Carolina. See methodology · corpus placement.
Lancaster County standing, lower-flagged corpus third
Flagged-system rate 62.5% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 61.0% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 100.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #591 of 3,254 · #16 of 46 in South Carolina.
Flagged-rate neighbourhood around Lancaster County
Lowest/highest poles plus in-state counties nearest Lancaster County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Lancaster County W&SD (Sc2920001) | 79,107 | 56 | Detected |
| Lancaster City of (Sc2910001) | 14,074 | 67 | Detected |
| Kershaw Town of (Sc2910003) | 2,567 | 36 | - |
| Heath Springs Town of (Sc2910002) | 947 | 12 | - |
| Catawba Falls Event Center | 60 | 0 | - |
| Dooley Farm #1 (2970907) | 30 | 0 | - |
| Primo-Walmart 1030 (Sc2980001) | 26 | 0 | - |
| Catawba River Wsp (2920002) | 25 | 60 | - |
Compare beyond South Carolina
Lower-flagged peers for Lancaster County
Cross-state counties nearest Lancaster County on flagged-system share (62.5%) and cumulative violation count (231). 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. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.