PlainWater

Sitka City and Borough, Alaska

SDWIS compliance plate

Sheet AK220 · Sitka City and Borough 3 sys · 934 viol · #2386/3254

VIOL-SEVERE · HEALTH-LOW · RANK-LOWER · PHOTO-FINISH · PFAS-CLEAN · SRC-SW · SYS-TINY · BOOK-FULL

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-LOW 5.7% health
  • RANK-LOWER #2386/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-SW SW lead 67%
  • SYS-TINY 3 systems
  • BOOK-FULL 7/7 fields

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

According to EPA SDWIS county population served used on /counties, Sitka City and Borough ranks #2,386 of 3,254 counties by people served, and #16 of 26 counties in Alaska. See methodology · corpus placement.

Sitka City and 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 5.7% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #2,386 of 3,254 · #16 of 26 in Alaska.

Flagged-rate neighbourhood around Sitka City and Borough

Lowest/highest poles plus in-state counties nearest Sitka City and 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
Sitka 9,448 226 Clean
Usfs Starrigavan Recreational Area 102 94 -
Port Alexander PWS 95 614 -

Compare beyond Alaska

Mid-flagged peers for Sitka City and Borough

Cross-state counties nearest Sitka City and Borough on flagged-system share (100.0%) and cumulative violation count (934). 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.