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Counties → North Carolina

Guilford County, North Carolina

SDWIS compliance plate

Sheet NC081 · Guilford County 202 sys · 30,107 viol · #145/3254

VIOL-SEVERE · HEALTH-LOW · RANK-TOP · PHOTO-FINISH · PFAS-HIGH · SRC-GW · SYS-LARGE · BOOK-FULL

  • VIOL-SEVERE 93.1% flagged
  • HEALTH-LOW 4.2% health
  • RANK-TOP #145/3254
  • PHOTO-FINISH ±0.2 pp
  • PFAS-HIGH 71.4% detect
  • SRC-GW GW lead 97%
  • SYS-LARGE 202 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Swain County ( -0.2 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Guilford County ranks #145 of 3,254 counties by people served, and #3 of 100 counties in North Carolina. See methodology · corpus placement.

Guilford County standing, mid-flagged corpus third

Flagged-system rate 93.1% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 4.2% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 71.4% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #145 of 3,254 · #3 of 100 in North Carolina.

Flagged-rate neighbourhood around Guilford County

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

0% 20% 40% 60% 80% 100% Gates · lowest Swain · near Mecklenburg · near Tyrrell · highest 50% 92.4% 92.9% 93.1% 93.4% 93.8% 100%

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

Water Systems

System Name Population Violations PFAS
Greensboro, City Of 319,588 24 Detected
High Point, City Of 118,399 32 Detected
Gibsonville, Town Of 8,920 154 Detected
Jamestown, Town Of 6,543 66 Detected
Northern Middle-High School 2,427 0 -
Stokesdale, Town Of 2,252 84 Clean
Northeast Consolidated School 2,150 162 -
Southern High School 1,034 24 -
Southern Middle School 846 38 Detected
Summerfield Charter Academy 838 111 -
Oak Ridge Elem School 790 127 -
Revolution Academy 780 21 -
Northern Elem School 702 41 -
Autumn Forest MHP 686 241 -
Quarterstone Farm/Country Xing 683 1,233 -
George C Simkins JR Elem School 673 20 -
Ridgewood S/D 668 103 -
Summerfield Elem School 636 35 -
Arbor Run/Charles Place S/D 576 10 -
Pleasant Garden School 524 21 -
Wilson Farms/Auburndale 465 143 -
River Oaks S/D 409 50 -
First Baptist Church 400 24 -
Henson Forest S/D 360 12 -
Vandalia Christian School 350 220 -
Crown MHP 343 547 -
Ridgecrest/Bakersfield S/D 343 8 -
Southern Primary School 330 129 -
Triple Lakes S/D 315 123 -
Wellington SD 315 8 -
Lennox Woods S/D 307 21 -
Rock Creek Mh Village No 2 305 1,692 -
Nathaniel Greene Elem School 301 16 -
Huntington Woods MHP 300 192 -
The Estates of Oak Ridge Lake 300 151 -
Oak Ridge Commons 300 134 -
The Vineyards at Summerfield SD 299 11 -
Rock Creek Mh Village 275 787 -
Weatherstone S/D 269 26 -
Springdale S/D 267 3 -
Clapp`s Nursing Ctr-Appomattox 265 227 -
Brown Summit School 263 28 -
Huntcliff S/D 262 8 -
Staffordshire Estates 254 24 -
Henson Farms S/D 251 87 -
Greensboro Campgrounds Inc 246 172 -
Twelve Oaks S/D 234 22 -
Pleasant Garden Baptist Church 223 58 -
Quail`s Nest/Cedar Chase S/D 218 17 -
Madison Elem School 215 36 -

Compare beyond North Carolina

Mid-flagged peers for Guilford County

Cross-state counties nearest Guilford County on flagged-system share (93.1%) and cumulative violation count (30,107). 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.