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County profile · EPA SDWIS + UCMR5

Aleutians East Borough, Alaska

8 SDWIS-listed public water systems serve 4,402 people in Aleutians East Borough. Violation rates use that full inventory; PFAS rates use only the UCMR5-tested subset.

8
SDWIS water systems Smaller third of counties
4,617
Total violations Upper third of counties
100.0%
SDWIS systems w/ a violation Middle third of counties
-
UCMR5 PFAS (none tested) No UCMR5 tests

SDWIS compliance plate

Sheet AK013 · Aleutians East Borough 8 sys · 4,617 viol · #2844/3254

VIOL-SEVERE · HEALTH-LOW · RANK-BOTTOM · PHOTO-FINISH · PFAS-NONE · SRC-SW · SYS-TINY · BOOK-MOST

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 3.8% health
  • RANK-BOTTOM #2844/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-NONE No UCMR5 set
  • SRC-SW SW lead 75%
  • SYS-TINY 8 systems
  • BOOK-MOST 6/7 fields

Nearest flagged-rate peer: Anchorage Municipality (+ 0 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Aleutians East Borough ranks #2,844 of 3,254 counties by people served, and #23 of 26 counties in Alaska. See methodology · corpus placement.

Aleutians East Borough 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 3.8% is health-based share at or below the lower third (≤ 10.3%) . No UCMR5 tests in this extract for Aleutians East Borough . Population served ranks #2,844 of 3,254 · #23 of 26 in Alaska.

Flagged-rate neighbourhood around Aleutians East Borough

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

0% 20% 40% 60% 80% 100% North Slope Bo · lowest Anchorage Muni · near Kodiak Island · near 92.3% 100% 100% 100% 100% 100% 100%

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

Water Systems

System Name Population Violations PFAS
Trident Seafoods Corp. Akutan 1,400 343 -
King Cove 972 473 -
Sand Point Water System 830 435 -
Silver Bay Seafoods False Pass 470 78 -
False Pass Treatment Plant 393 572 -
Cold Bay 182 175 -
Akutan 95 1,416 -
Nelson Lagoon Water System 60 1,125 -

Compare beyond Alaska

Mid-flagged peers for Aleutians East Borough

Cross-state counties nearest Aleutians East Borough on flagged-system share (100.0%) and cumulative violation count (4,617). 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.