Carlsbad, NM
Contamination score
Higher = more contaminated vs. other cities.
Reported illness & cancer claims
No claims reported yet. Be the first to add one.
Claims are aggregated from public records and community reports and may be unverified. If you believe your illness is linked to local water, request a consultation.
Self-reported issues
No issues reported yet. Be the first to report one.

Public water systems
Carlsbad Municipal Water System
- PWSID:
- NM3520608
- Source:
- Ground water
- Serves:
- 33,626 people
Happy Valley Cooperative Water Works
- PWSID:
- NM3520708
- Source:
- Ground water
- Serves:
- 638 people
Intrepid Potash West
- PWSID:
- NM3590708
- Source:
- Ground water
- Serves:
- 71 people
Otis Mdwca
- PWSID:
- NM3521308
- Source:
- Ground water
- Serves:
- 4,464 people
EPA & DEP violations
E. COLI — MR violation
medium severityUnaddressedE. COLI MR violation (Unaddressed).
EPA SDWIS · MR · Began Dec 20, 2025 · 5 months ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Oct 1, 2025 · 8 months ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began Aug 21, 2025 · 10 months ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityUnaddressedConsumer Confidence Rule Other violation (Unaddressed).
EPA SDWIS · Other · Began Jul 1, 2025 · 11 months ago · Source ↗
Lead and Copper Rule — MR violation
medium severityUnaddressedLead and Copper Rule MR violation (Unaddressed).
EPA SDWIS · MR · Began Jul 1, 2025 · 11 months ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Jun 1, 2025 · 1 year ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Jun 1, 2025 · 1 year ago · Source ↗
Groundwater Rule — Other violation
medium severityResolvedGroundwater Rule Other violation (Resolved).
EPA SDWIS · Other · Began Apr 1, 2025 · 1 year ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Mar 1, 2025 · 1 year ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Mar 1, 2025 · 1 year ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began Feb 7, 2025 · 1 year ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began Oct 20, 2024 · 1 year ago · Source ↗
LEAD AND COPPER RULE REVISIONS — RPT violation
medium severityUnaddressedLEAD AND COPPER RULE REVISIONS RPT violation (Unaddressed).
EPA SDWIS · RPT · Began Oct 17, 2024 · 1 year ago · Source ↗
LEAD AND COPPER RULE REVISIONS — TT violation
high severityHealth-basedUnaddressedLEAD AND COPPER RULE REVISIONS TT violation (Unaddressed).
EPA SDWIS · TT · Began Oct 17, 2024 · 1 year ago · Source ↗
Lead and Copper Rule — MR violation
medium severityUnaddressedLead and Copper Rule MR violation (Unaddressed).
EPA SDWIS · MR · Began Oct 1, 2024 · 1 year ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Oct 1, 2024 · 1 year ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2024 · 1 year ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2024 · 1 year ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began May 31, 2024 · 2 years ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Dec 1, 2023 · 2 years ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.