County profile · EPA SDWIS + UCMR5
Chatham County, North Carolina
45 SDWIS-listed public water systems serve 49,625 people in Chatham County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.
- 45
- SDWIS water systems Larger third of counties
- 8,155
- Total violations Upper third of counties
- 100.0%
- SDWIS systems w/ a violation Middle third of counties
- 100.0%
- UCMR5 PFAS rate (3 tested) Upper third of counties with tests
SDWIS compliance plate
Sheet NC037 · Chatham County 45 sys · 8,155 viol · #963/3254
VIOL-SEVERE · HEALTH-LOW · RANK-UPPER · PHOTO-FINISH · PFAS-HIGH · SRC-GW · SYS-MID · BOOK-FULL
- VIOL-SEVERE 100.0% flagged
- HEALTH-LOW 18.2% health
- RANK-UPPER #963/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-HIGH 100.0% detect
- SRC-GW GW lead 78%
- SYS-MID 45 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Forsyth County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Chatham County ranks #963 of 3,254 counties by people served, and #47 of 100 counties in North Carolina. See methodology · corpus placement.
Chatham County standing, mid-flagged corpus third
Flagged-system rate 100.0% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 18.2% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 100.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #963 of 3,254 · #47 of 100 in North Carolina.
Flagged-rate neighbourhood around Chatham County
Lowest/highest poles plus in-state counties nearest Chatham County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
Compare beyond North Carolina
Mid-flagged peers for Chatham County
Cross-state counties nearest Chatham County on flagged-system share (100.0%) and cumulative violation count (8,155). 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.