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County profile · EPA SDWIS + UCMR5

Baldwin County, Alabama

24 SDWIS-listed public water systems serve 303,145 people in Baldwin County. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

24
SDWIS water systems Middle third of counties
3,219
Total violations Upper third of counties
100.0%
SDWIS systems w/ a violation Middle third of counties
33.3%
UCMR5 PFAS rate (12 tested) Middle third of counties with tests

SDWIS compliance plate

Sheet AL003 · Baldwin County 24 sys · 3,219 viol · #231/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 3.2% health
  • RANK-TOP #231/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-MID 33.3% detect
  • SRC-GW GW lead 92%
  • SYS-SMALL 24 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Jefferson County (+ 0 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Baldwin County ranks #231 of 3,254 counties by people served, and #4 of 67 counties in Alabama. See methodology · corpus placement.

Baldwin 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 3.2% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 33.3% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #231 of 3,254 · #4 of 67 in Alabama.

Flagged-rate neighbourhood around Baldwin County

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

0% 20% 40% 60% 80% 100% Bibb · lowest Greene · highest Madison · near Montgomery · near 80% 100% 100% 100% 100% 100% 100%

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

Water Systems

Compare beyond Alabama

Mid-flagged peers for Baldwin County

Cross-state counties nearest Baldwin County on flagged-system share (100.0%) and cumulative violation count (3,219). 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
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. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.