San Juan County, New Mexico
SDWIS compliance plate
Sheet NM045 · San Juan County 22 sys · 5,118 viol · #557/3254
VIOL-SEVERE · HEALTH-MID · RANK-TOP · PHOTO-FINISH · PFAS-CLEAN · SRC-SW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 100.0% flagged
- HEALTH-MID 27.7% health
- RANK-TOP #557/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-CLEAN 0.0% detect
- SRC-SW SW lead 86%
- SYS-SMALL 22 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Dona Ana County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, San Juan County ranks #557 of 3,254 counties by people served, and #5 of 33 counties in New Mexico. See methodology · corpus placement.
San Juan 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 27.7% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #557 of 3,254 · #5 of 33 in New Mexico.
Flagged-rate neighbourhood around San Juan County
Lowest/highest poles plus in-state counties nearest San Juan County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Farmington Water System | 47,655 | 37 | Clean |
| Aztec Domestic Water System | 9,673 | 83 | Clean |
| Bloomfield Water Supply System | 9,536 | 256 | Clean |
| Lee Hammond Water | 8,817 | 91 | Clean |
| Lower Valley Water Users Association | 7,615 | 69 | Clean |
| Morningstar Water System | 5,694 | 481 | Clean |
| Northstar Mdwca | 3,784 | 112 | Clean |
| Flora Vista Mutual Domestic | 3,726 | 112 | Clean |
| Upper la Plata Water Users Association | 2,265 | 25 | - |
| Southside Mutual Domestic Water | 1,609 | 55 | - |
| Blanco Mdwca | 1,148 | 382 | - |
| Navajo Dam Domestic Water Consumers Inc | 545 | 355 | - |
| Apple Orchard Mdwca | 460 | 584 | - |
| Chaco Culture National Historic Park | 250 | 383 | - |
| Navajo Lake State Park - Pine Site | 250 | 123 | - |
| Rosa Joint Ventures Water System | 239 | 326 | - |
| La Vida Mission Community Water Supply | 200 | 257 | - |
| Navajo Lake State Park - Cottonwood Camp | 158 | 72 | - |
| Pine River Mdca | 44 | 1,207 | - |
| Enterprise Products Company Chaco Plant | 28 | 53 | - |
| Hydro Pure Technology Inc. | 25 | 47 | - |
| Ngwsp Cutter Lateral | 0 | 8 | - |
Compare beyond New Mexico
Mid-flagged peers for San Juan County
Cross-state counties nearest San Juan County on flagged-system share (100.0%) and cumulative violation count (5,118). 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.