Mammoth Lakes, CA
Contamination score
Higher = more contaminated vs. other cities.
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Reported illness & cancer claims
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Self-reported issues
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Pollution sources & reported claims near your water
Factories, greenhouses, and contaminated sites mapped around the water supply. Tap any circle for detail.
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Public water systems
MAMMOTH CWD
- PWSID:
- CA2610001
- Source:
- Surface water
- Serves:
- 8,234 people
EPA & DEP violations
MAMMOTH CWD
PWSID CA26100014 violationsMonitoring violation — MAMMOTH CWD
low severityResolvedEPA SDWIS violation 9213004 (code 27) at MAMMOTH CWD (PWSID CA2610001).
EPA SDWIS · Monitoring violation · Began Jan 1, 2023 · 3 years ago · Source ↗
Monitoring violation — MAMMOTH CWD
low severityResolvedEPA SDWIS violation 9213005 (code 27) at MAMMOTH CWD (PWSID CA2610001).
EPA SDWIS · Monitoring violation · Began Jan 1, 2023 · 3 years ago · Source ↗
Treatment technique violation — MAMMOTH CWD
high severityHealth-basedResolvedEPA SDWIS violation 9213002 (code 41) at MAMMOTH CWD (PWSID CA2610001).
EPA SDWIS · Treatment technique violation · Began Aug 1, 2016 · 10 years ago · Source ↗
MCL exceedance — MAMMOTH CWD
high severityHealth-basedResolvedEPA SDWIS violation 9213001 (code 22) at MAMMOTH CWD (PWSID CA2610001).
EPA SDWIS · MCL exceedance · Began Sep 1, 1992 · 34 years ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.