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Counties → New Mexico

Sandoval County, New Mexico

SDWIS compliance plate

Sheet NM043 · Sandoval County 62 sys · 12,440 viol · #457/3254

VIOL-SEVERE · HEALTH-MID · RANK-TOP · PHOTO-FINISH · PFAS-CLEAN · SRC-GW · SYS-MID · BOOK-FULL

  • VIOL-SEVERE 98.4% flagged
  • HEALTH-MID 26.8% health
  • RANK-TOP #457/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-GW GW lead 95%
  • SYS-MID 62 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Rio Arriba County (+ 0 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Sandoval County ranks #457 of 3,254 counties by people served, and #4 of 33 counties in New Mexico. See methodology · corpus placement.

Sandoval County standing, mid-flagged corpus third

Flagged-system rate 98.4% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 26.8% 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 #457 of 3,254 · #4 of 33 in New Mexico.

Flagged-rate neighbourhood around Sandoval County

Lowest/highest poles plus in-state counties nearest Sandoval County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Colfax · lowest Sandoval · this county Taos · near Dona Ana · near 63.5% 98.1% 98.4% 98.4% 98.9% 100% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

System Name Population Violations PFAS
Rio Rancho Water & Ww Services 107,350 457 Clean
Bernalillo Water System 10,948 123 Clean
Cuba Water System 1,789 511 -
Jemez Springs Dwua 1,385 436 -
Regina Mdwca 705 309 -
Pena Blanca Water & Sanitation District 700 187 -
North Ranchos de Placitas W&SD 659 287 Clean
La Mesa Water Coop 650 275 -
Las Acequias de Placitas 596 92 -
Ponderosa Mdwca 567 182 -
Corrales Elementary School 565 258 -
La Jara Water Users Association 458 375 -
Algodones Wua 411 440 -
Anasazi Trails Water Co-Op 400 139 -
Ranchos de Placitas Sanitation District 374 238 -
Placitas Trails Water Coop 355 229 -
Frontier Mart Inc 350 37 -
Jemez Valley Public Schools 350 862 -
San Luis Cabezon Mdwca 320 548 -
Canon Mdwca 320 234 -
Sierra los Pinos HOA 300 96 -
Hannah and Nate's Market Cafe 300 25 -
Homestead Village 290 346 -
Cochiti Elementary School 260 216 -
Jemez Falls Campground Usfs Snf 260 29 -
La Cueva Business Owners Association 250 94 -
Cottonwood Montessori 240 183 -
Rancho del Chaparral Girl Scout Camp 240 154 -
Overlook Water Co-Op Inc 209 461 -
Corrales Multi-Purpose Recreational Cnt 205 48 -
Village Pizza 190 34 -
Desert Sky Mountain Water Cooperative 187 222 -
Las Placitas Presbyterian Church 180 40 -
Pueblo los Cerros 180 90 -
Sandia View Christian School 175 54 -
San Ysidro Water Supply System 166 429 -
Sile Mdwca 154 318 -
Fenton Lake State Park 150 48 -
Hummingbird Music Camp 150 413 -
San Antonio Campground Usfs Santa Fe 150 47 -
Cedar Creek Water Cooperative Inc 141 277 -
Vista de Oro de Placitas Water Users Coo 138 52 -
Camp Shaver YMCA 125 152 -
Placitas Elementary School 121 326 -
Tetilla Peak Recreation Area 108 51 -
Placitas West Water Co-Op 106 347 -
Cochiti Lake Recreation Area 105 62 -
Village Plaza 100 14 -
American Gypsum Company (Bernalillo Plan 100 62 -
Sandia Bar 100 96 -

Compare beyond New Mexico

Mid-flagged peers for Sandoval County

Cross-state counties nearest Sandoval County on flagged-system share (98.4%) and cumulative violation count (12,440). 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

Read our methodology · Check your water system - how this data is sourced, computed, and verified.

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.