County NN005 County, Navajo Nation
SDWIS compliance plate
Sheet NN005 · County NN005 County 22 sys · 1,970 viol · #1739/3254
VIOL-SEVERE · HEALTH-LOW · RANK-MID · GAP-SOLO · PFAS-CLEAN · SRC-GW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 100.0% flagged
- HEALTH-LOW 4.5% health
- RANK-MID #1739/3254
- GAP-SOLO No peers
- PFAS-CLEAN 0.0% detect
- SRC-GW GW lead 95%
- SYS-SMALL 22 systems
- BOOK-FULL 7/7 fields
According to EPA SDWIS county population served used on /counties, County NN005 County ranks #1,739 of 3,254 counties by people served, and #5 of 9 counties in Navajo Nation. See methodology · corpus placement.
County NN005 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 4.5% 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 #1,739 of 3,254 · #5 of 9 in Navajo Nation.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Tuba City NTUA | 6,276 | 66 | Clean |
| Leupp-Birdsprings-Tolani Lake NTUA | 2,100 | 57 | - |
| Tuba City Boarding School BIA | 2,040 | 35 | - |
| Kaibeto NTUA | 1,590 | 41 | - |
| Inscription House-Navajo Mountain NTUA | 1,368 | 175 | - |
| Tonalea-Red Lake NTUA | 1,146 | 44 | - |
| Gap-Cedar Ridge NTUA | 1,125 | 88 | - |
| LeChee NTUA | 1,115 | 108 | - |
| Sawmill NTUA | 838 | 64 | - |
| Cameron NTUA | 742 | 137 | - |
| White Mesa NTUA | 496 | 96 | - |
| Kaibeto (Upper) Boarding School BIA | 400 | 250 | - |
| Coal Mine Mesa NTUA | 393 | 124 | - |
| Coppermine NTUA | 342 | 37 | - |
| Tonalea (Red Lake) Day School BIA | 300 | 103 | - |
| Leupp Contract Boarding School BIA | 250 | 90 | - |
| Rare Metals NTUA | 72 | 20 | - |
| Moenave Community | 65 | 165 | - |
| Transwestern Pipeline Company - Leupp - 3 | 25 | 41 | - |
| Antelope Point Marina | 25 | 46 | - |
| Twin Arrows Navajo Casino Internal | 25 | 93 | - |
| Twin Arrows NTUA | 25 | 90 | - |
Compare beyond Navajo Nation
Mid-flagged peers for County NN005 County
Cross-state counties nearest County NN005 County on flagged-system share (100.0%) and cumulative violation count (1,970). 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.