States β€Ί New Mexico β€Ί San Miguel County

San Miguel County, NM Water Quality

Water quality data for 13 public water systems serving San Miguel County, New Mexico β€” based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

πŸ“… 2026 Report πŸ”„ Data updated 2026 Q2 πŸ“ 13 water systems Β· 13 cities
⚠️
Caution Advised β€” Some Systems Need Attention

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

C

San Miguel County Earns a C

San Miguel County: 13 communities across 13 water systems. 76.9% have no open violations.

  • Median lead where detected: 1.84 ppb
  • 11 communities with a lead detection, 2 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 11 with significant inspection deficiencies
  • 76.9% of communities have no open violations
1.84 ppb
Median Lead Level
County-wide, 90th percentile
13
Water Systems
Active CWS & NTNCWS
76%
Violation-Free
No active violations on record
How we grade counties: MyWaterIQ uses EPA SDWIS enforcement data β€” actual MCL violations and lead test results β€” not the aspirational MCLG targets used by some sites. A grade reflects real compliance history, not theoretical risk. Learn more β†’

Cities by Water Quality

⭐ Best Performing
  • Conchas Dam
    0.38 ppb
    2 health-based violations since 2015
    B
  • Tecolotito
    2.00 ppb
    2 significant inspection deficiencies
    B
  • San Jose
    1.84 ppb
    1 significant inspection deficiency
    B
  • East Pecos
    1.10 ppb
    2 significant inspection deficiencies
    C
  • Rowe
    1.60 ppb
    2 significant inspection deficiencies
    C
⚠ Needs Attention
  • Ribera
    Not detected
    2 violations currently open
    D
  • Villanueva
    2.00 ppb
    1 violation currently open
    D
  • Pecos
    8.40 ppb
    4 significant inspection deficiencies
    D
  • Las Vegas
    2.10 ppb
    5 significant inspection deficiencies
    C
  • Sena
    6.80 ppb
    2 significant inspection deficiencies
    C
County Lead Level β€” Median 1.84 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 1.84 ppb β€” 12.3% of the federal action level
Systems by Lead Level
Under 5 ppb
9
5 – 10 ppb
2
No Data
2

All Cities in San Miguel County

Las Vegas 2.10 ppb C
Pecos 8.40 ppb D
East Pecos 1.10 ppb C
Rowe 1.60 ppb C
Tecolote 1.00 ppb C
Tecolotito 2.00 ppb B
Conchas Dam 0.38 ppb B
Villanueva 2.00 ppb D
Ribera Not detected D
Soham Not detected C
North San Ysidro 0.67 ppb C
San Jose 1.84 ppb B
Sena 6.80 ppb C

About San Miguel County Drinking Water

San Miguel County is served by 13 water systems covering 13 communities. 77% have no open violations.

Of the communities reporting lead results, 11 recorded a detection, with a median of 1.84 ppb β€” 12% 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 11 of them.

Frequently Asked Questions

Is San Miguel County tap water safe to drink?β–Ό
77% of communities have no open violation. No community has PFAS above the federal limit on record.
What is the lead level in San Miguel County?β–Ό
Among communities with a detection the median is 1.84 ppb, 12% of the 15 ppb action level. 2 reported none detected and 0 reported no result.
How many water systems serve San Miguel County?β–Ό
13 community water systems serve 13 communities here.
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