Guam, Guam
SDWIS compliance plate
Sheet GU010 · Guam 8 sys · 203 viol · #213/3254
VIOL-SEVERE · HEALTH-HIGH · RANK-TOP · GAP-SOLO · PFAS-HIGH · SRC-GW · SYS-TINY · BOOK-FULL
- VIOL-SEVERE 100.0% flagged
- HEALTH-HIGH 46.3% health
- RANK-TOP #213/3254
- GAP-SOLO No peers
- PFAS-HIGH 60.0% detect
- SRC-GW GW lead 63%
- SYS-TINY 8 systems
- BOOK-FULL 7/7 fields
According to EPA SDWIS county population served used on /counties, Guam ranks #213 of 3,254 counties by people served, and #1 of 1 counties in Guam. See methodology · corpus placement.
Guam 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 46.3% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 60.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #213 of 3,254 · #1 of 1 in Guam.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Gwa Northern Water System | 139,207 | 30 | Detected |
| Guam International Airport Authority | 138,336 | 2 | - |
| Gwa Central Water System | 21,398 | 106 | Clean |
| U.S. Navy Water System | 12,780 | 23 | Detected |
| Andersen Air Force Base Water System | 7,700 | 10 | Detected |
| Gwa Southern Water System | 5,801 | 24 | Clean |
| Guam Regional Medical City | 1,100 | 3 | - |
| Guam Plaza Resort Water System | 1,095 | 5 | - |
Compare beyond Guam
Mid-flagged peers for Guam
Cross-state counties nearest Guam on flagged-system share (100.0%) and cumulative violation count (203). 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.