North Slope Borough, Alaska
SDWIS compliance plate
Sheet AK185 · North Slope Borough 78 sys · 5,005 viol · #1409/3254
VIOL-SEVERE · HEALTH-LOW · RANK-MID · BELOW-PEER · PFAS-HIGH · SRC-SW · SYS-MID · BOOK-FULL
- VIOL-SEVERE 92.3% flagged
- HEALTH-LOW 6.7% health
- RANK-MID #1409/3254
- BELOW-PEER 2.1 pp cleaner
- PFAS-HIGH 100.0% detect
- SRC-SW SW lead 94%
- SYS-MID 78 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Yukon-Koyukuk Census Area (+ 2.1 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, North Slope Borough ranks #1,409 of 3,254 counties by people served, and #6 of 26 counties in Alaska. See methodology · corpus placement.
North Slope Borough standing, lower-flagged corpus third
Flagged-system rate 92.3% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 6.7% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 100.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #1,409 of 3,254 · #6 of 26 in Alaska.
Flagged-rate neighbourhood around North Slope Borough
Lowest/highest poles plus in-state counties nearest North Slope Borough on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
Compare beyond Alaska
Lower-flagged peers for North Slope Borough
Cross-state counties nearest North Slope Borough on flagged-system share (92.3%) and cumulative violation count (5,005). 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.
Similar violation load
Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).
Read our methodology · Check your water system - how this data is sourced, computed, and verified.
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.