PlainWater

Mobile County, Alabama

SDWIS compliance plate

Sheet AL097 · Mobile County 15 sys · 2,918 viol · #153/3254

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

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 4.4% health
  • RANK-TOP #153/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-MID 30.8% detect
  • SRC-GW GW lead 87%
  • SYS-SMALL 15 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, Mobile County ranks #153 of 3,254 counties by people served, and #3 of 67 counties in Alabama. See methodology · corpus placement.

Mobile 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 4.4% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 30.8% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #153 of 3,254 · #3 of 67 in Alabama.

Flagged-rate neighbourhood around Mobile County

Lowest/highest poles plus in-state counties nearest Mobile 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

System Name Population Violations PFAS
Mobile, Bd. of W&S Comm. of the City Of 279,000 204 Clean
Mobile County Water & Fire Pro Authority 39,573 354 Clean
South Alabama Utilities Water System 39,249 426 Detected
Prichard Water Works Board 28,803 163 Clean
Saraland, Bd of W&S Commissioners 13,827 107 Detected
Grand Bay Water Works Board 11,100 38 Detected
St. Elmo-Irvington Water Authority 10,284 171 Detected
Bayou la Batre Utilities 8,100 202 Clean
Satsuma (the Wwb of the City Of) 7,248 154 Clean
Kushla Water District 6,294 11 Clean
Turnerville Water & Fire Pro District 5,991 2 Clean
Dauphin Island Water & Sewer 5,802 259 Clean
Lemoyne Water System, Inc. 3,825 440 Clean
Mt. Vernon, Town Of 1,878 288 -
U.S. Amines (Bucks) LLC 50 99 -

Compare beyond Alabama

Mid-flagged peers for Mobile County

Cross-state counties nearest Mobile County on flagged-system share (100.0%) and cumulative violation count (2,918). 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. 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.