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Socorro County, NM Water Quality

Water quality data for 6 public water systems serving Socorro County, New Mexico — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 6 water systems · 12 cities
✅
Generally Safe — Most Systems Performing Well

The majority of water systems have no active violations and lead levels well below the federal action level.

B

Socorro County Earns a B

Socorro County: 12 communities across 6 water systems. 91.7% have no open violations.

  • Median lead where detected: 1.40 ppb
  • 9 communities with a lead detection, 3 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 6 with significant inspection deficiencies
  • 91.7% of communities have no open violations
1.4 ppb
Median Lead Level
County-wide, 90th percentile
6
Water Systems
Active CWS & NTNCWS
91%
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
  • Lemitar
    1.40 ppb
    2 health-based violations since 2015
    B
  • Polvadera
    1.40 ppb
    2 health-based violations since 2015
    B
  • Alamillo
    1.40 ppb
    2 health-based violations since 2015
    B
  • Chamizal
    1.40 ppb
    2 health-based violations since 2015
    B
  • Escondida
    Not detected
    1 significant inspection deficiency
    A
⚠ Needs Attention
  • La Joya
    0.70 ppb
    1 violation currently open
    D
  • Magdalena
    2.60 ppb
    11 health-based violations since 2015
    B
  • Escondida
    Not detected
    1 significant inspection deficiency
    A
  • Socorro
    Not detected
    1 significant inspection deficiency
    A
  • San Antonio
    2.00 ppb
    1 significant inspection deficiency
    B
County Lead Level — Median 1.4 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 1.4 ppb — 9.3% of the federal action level
Systems by Lead Level
Under 5 ppb
9
No Data
3

All Cities in Socorro County

Socorro Not detected A
Magdalena 2.60 ppb B
Lemitar 1.40 ppb B
Polvadera 1.40 ppb B
San Antonio 2.00 ppb B
Alamillo 1.40 ppb B
San Antonito 2.00 ppb B
La Joya 0.70 ppb D
Luis Lopez 2.00 ppb B
Chamizal 1.40 ppb B
San Acacia Not detected B
Escondida Not detected A
Showing 12 cities
No active violations Active violations

About Socorro County Drinking Water

Socorro County is served by 6 water systems covering 12 communities. 92% have no open violations.

Of the communities reporting lead results, 9 recorded a detection, with a median of 1.40 ppb — 9% of the federal action level. 3 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 6 of them.

Frequently Asked Questions

Is Socorro County tap water safe to drink?▼
92% of communities have no open violation. No community has PFAS above the federal limit on record.
What is the lead level in Socorro County?▼
Among communities with a detection the median is 1.40 ppb, 9% of the 15 ppb action level. 3 reported none detected and 0 reported no result.
How many water systems serve Socorro County?▼
6 community water systems serve 12 communities here.
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