States › New Mexico › Sandoval County

Sandoval County, NM Water Quality

Water quality data for 20 public water systems serving Sandoval County, New Mexico — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 20 water systems · 24 cities
⚠️
Caution Advised — Some Systems Need Attention

Some systems have elevated lead levels or active violations. Check your specific city below.

C

Sandoval County Earns a C

Sandoval County: 24 communities across 20 water systems. 70.8% have no open violations.

  • Median lead where detected: 1.60 ppb
  • 22 communities with a lead detection, 2 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 21 with significant inspection deficiencies
  • 70.8% of communities have no open violations
1.6 ppb
Median Lead Level
County-wide, 90th percentile
20
Water Systems
Active CWS & NTNCWS
70%
Violation-Free
No active violations on record
How we grade counties: MyWaterIQ uses EPA SDWIS enforcement data — actual MCL violations and lead test results — not the aspirational MCLG targets used by some sites. A grade reflects real compliance history, not theoretical risk. Learn more →

Cities by Water Quality

⭐ Best Performing
  • Placitas
    0.57 ppb
    No federal limits exceeded on record
    B
  • La Cueva
    1.10 ppb
    No federal limits exceeded on record
    B
  • Bernalillo
    1.40 ppb
    2 significant inspection deficiencies
    A
  • Corrales
    0.80 ppb
    4 significant inspection deficiencies
    B
  • Pueblo of Sandia Village
    0.80 ppb
    4 significant inspection deficiencies
    B
⚠ Needs Attention
  • San Ysidro
    1.90 ppb
    Copper above the 1,300 ppb action level
    F
  • Cuba
    7.90 ppb
    12 violations currently open
    F
  • San Luis
    Not detected
    3 violations currently open
    F
  • Rio Rancho
    2.00 ppb
    1 violation currently open
    D
  • Peña Blanca
    1.80 ppb
    1 violation currently open
    D
County Lead Level — Median 1.6 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 1.6 ppb — 10.7% of the federal action level
Systems by Lead Level
Under 5 ppb
19
5 – 10 ppb
3
No Data
2

All Cities in Sandoval County

Rio Rancho 2.00 ppb D
Bernalillo 1.40 ppb A
Corrales 0.80 ppb B
Santo Domingo Pueblo 1.10 ppb C
Jemez Pueblo 1.80 ppb C
San Felipe Pueblo 1.10 ppb C
Placitas 0.57 ppb B
Peña Blanca 1.80 ppb D
Cuba 7.90 ppb F
Algodones 2.00 ppb C
Rio Rancho Estates 2.00 ppb D
Santa Ana Pueblo 2.00 ppb C
Cochiti 0.50 ppb C
Ponderosa Not detected C
Pueblo of Sandia Village 0.80 ppb B
Cañon 5.00 ppb B
Cochiti Lake 0.50 ppb C
Jemez Springs 6.10 ppb D
La Jara 2.30 ppb C
Zia Pueblo 0.50 ppb C
San Ysidro 1.90 ppb F
La Cueva 1.10 ppb B
Regina 0.60 ppb D
San Luis Not detected F
Showing 24 cities
No active violations Active violations

About Sandoval County Drinking Water

Sandoval County is served by 20 water systems covering 24 communities. 71% have no open violations.

Of the communities reporting lead results, 22 recorded a detection, with a median of 1.60 ppb — 11% of the federal action level. 2 reported none detected, which means below the laboratory limit rather than an absence of lead.

No community here has PFAS above the federal limit on record. State inspectors recorded significant deficiencies at 21 of them.

Frequently Asked Questions

Is Sandoval County tap water safe to drink?▼
71% of communities have no open violation. No community has PFAS above the federal limit on record.
What is the lead level in Sandoval County?▼
Among communities with a detection the median is 1.60 ppb, 11% of the 15 ppb action level. 2 reported none detected and 0 reported no result.
How many water systems serve Sandoval County?▼
20 community water systems serve 24 communities here.
← Back to New Mexico water quality overview