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Counties → South Carolina

Lexington County, South Carolina

SDWIS compliance plate

Sheet SC063 · Lexington County 135 sys · 6,415 viol · #375/3254

VIOL-SEVERE · HEALTH-MID · RANK-TOP · ABOVE-PEER · PFAS-HIGH · SRC-GW · SYS-LARGE · BOOK-FULL

  • VIOL-SEVERE 78.5% flagged
  • HEALTH-MID 22.4% health
  • RANK-TOP #375/3254
  • ABOVE-PEER +3.5 pp
  • PFAS-HIGH 70.0% detect
  • SRC-GW GW lead 75%
  • SYS-LARGE 135 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Marlboro County ( -3.5 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Lexington County ranks #375 of 3,254 counties by people served, and #9 of 46 counties in South Carolina. See methodology · corpus placement.

Lexington County standing, lower-flagged corpus third

Flagged-system rate 78.5% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 22.4% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 70.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #375 of 3,254 · #9 of 46 in South Carolina.

Flagged-rate neighbourhood around Lexington County

Lowest/highest poles plus in-state counties nearest Lexington County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Horry · lowest Marlboro · near Hampton · near Lee · highest 26.4% 73.9% 75% 78.5% 82.4% 83.3% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

System Name Population Violations PFAS
Joint Municipal WSC (Sc3220003) 47,838 44 Detected
West Columbia City of (3210004) 34,028 27 Detected
Lexington Town of (3210001) 24,284 79 Detected
Cayce City of (3210003) 17,460 28 Detected
Gilbert-Summit WD (3220001) 7,795 154 Clean
Gaston Rural Water Dist (Sc3220002) 7,550 24 Clean
Bgwc I-20 (Sc3250012) 6,637 21 Detected
Batesburg Leesville Dpw (Sc3210002) 6,202 38 Detected
Amicks Ferry Wtr System (Sc3250077) 3,671 12 Detected
Swansea Town of (Sc3210006) 1,923 70 -
Bgwc Glenn Village II (Sc3250058) 1,116 54 -
Rolling Meadows MHP (3260027) 1,056 50 -
Lcjmwsc-Pelion Town of (Sc3210010) 1,001 12 -
Wild Meadows S/D (Sc3250097) 878 33 -
Bgwc Charwood S/D (3250035) 683 285 -
McGregor Downs (Sc3260059) 626 42 -
Batesburg-Leesville #2 (3210011) 595 2 -
Bgwc Vanarsdale S/D (3250027) 509 14 -
Bgwc Rollingwood (Sc3250052) 493 9 -
Bgwc Lakewood Estates (Sc3250005) 492 42 -
Bgwc Hidden Valley (Sc3250073) 480 1 -
Bgwc Heatherwood-Blue Ridge (Sc3250015) 455 1 -
Bgwc the Landings (3250063) 430 4 -
Bgwc Lexington Estates (Sc3250050) 419 780 -
Bgwc Windy Hill (Sc3250057) 375 166 -
Bgwc Bellemead S/D (3250031) 367 303 -
Bgwc Indian Fork-40 Love (3250066) 367 12 -
Bgwc Lands End Condos (Sc3270300) 359 1 -
Bgwc Dutchman Shores (Sc3250021) 335 16 -
Bgwc Lexington Farms (Sc3250069) 335 460 -
Bgwc Parkwood S/D (3250029) 311 23 -
Bgwc Cedarwood (Sc3250047) 300 4 -
Bgwc Harborside (Sc3270302) 286 3 -
Bgwc Falcon Ranches (Sc3250016) 278 1 -
Bgwc Lake Village (Sc3250054) 197 4 -
Basin Rock MHP (Sc3260164) 190 65 -
Rockford Place-Charwood (3250099) 174 13 -
Bgwc Sangaree MHP (Sc3260012) 174 232 -
Bgwc Westside Terrace (3250002) 172 5 -
Ridge Pointe S/D (Sc3250105) 170 2 -
Bgwc Murray Lodge (3250013) 146 136 -
Highlands at Gaston (Sc3270011) 140 20 -
Bgwc Creekwood (3250042) 136 6 -
Murray Hill Estates (Sc3250014) 134 36 -
Bgwc Idlewood (Sc3250017) 134 51 -
Lake Lodge Apartments (3270301) 130 30 -
Bgwc Peachtree Acres (3250045) 124 25 -
Bgwc Murray Park Estates (Sc3250019) 122 56 -
Silver Lake MHP (Sc3260022) 122 32 Clean
Pine Ridge MHP (Sc3260157) 100 95 -

Compare beyond South Carolina

Lower-flagged peers for Lexington County

Cross-state counties nearest Lexington County on flagged-system share (78.5%) and cumulative violation count (6,415). 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.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers

Read our methodology · Check your water system - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

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.