PlainWater

Eastern District County, American Samoa

SDWIS compliance plate

Sheet AS010 · Eastern District County 9 sys · 1,116 viol · #990/3254

VIOL-SEVERE · HEALTH-LOW · RANK-UPPER · BELOW-PEER · PFAS-HIGH · SRC-GW · SYS-TINY · BOOK-FULL

  • VIOL-SEVERE 66.7% flagged
  • HEALTH-LOW 17.8% health
  • RANK-UPPER #990/3254
  • BELOW-PEER 33.3 pp cleaner
  • PFAS-HIGH 100.0% detect
  • SRC-GW GW lead 56%
  • SYS-TINY 9 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Manu'a District County (+ 33.3 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Eastern District County ranks #990 of 3,254 counties by people served, and #1 of 3 counties in American Samoa. See methodology · corpus placement.

Eastern District County standing, lower-flagged corpus third

Flagged-system rate 66.7% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 17.8% 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 #990 of 3,254 · #1 of 3 in American Samoa.

Flagged-rate neighbourhood around Eastern District County

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

0% 20% 40% 60% 80% 100% Western Distri · lowest Eastern Distri · this county Manu'a Distric · highest 15.5% 66.7% 100%

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

Water Systems

System Name Population Violations PFAS
Central ASG 45,315 636 Detected
Vatia ASG 460 48 -
Masefau ASG 457 34 -
Aunuu ASG 402 253 -
Aoa ASG 344 95 -
Afono ASG 327 50 -
Matai Mart - Nuuuli 25 0 -
LKK - Amouli 25 0 -
Huang Mart - Atuu 25 0 -

Compare beyond American Samoa

Lower-flagged peers for Eastern District County

Cross-state counties nearest Eastern District County on flagged-system share (66.7%) and cumulative violation count (1,116). 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.