Joliet, MT
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
Joliet Town Of
- PWSID:
- MT0000256
- Source:
- Ground water
- Serves:
- 600 people
EPA & DEP violations
Lead and Copper Rule — MR violation
medium severityUnaddressedLead and Copper Rule MR violation (Unaddressed).
EPA SDWIS · MR · Began Oct 1, 2025 · 8 months ago · Source ↗
Total Haloacetic Acids (HAA5) — MR violation
medium severityResolvedTotal Haloacetic Acids (HAA5) MR violation (Resolved).
EPA SDWIS · MR · Began Sep 1, 2021 · 4 years ago · Source ↗
TTHM — MR violation
medium severityResolvedTTHM MR violation (Resolved).
EPA SDWIS · MR · Began Sep 1, 2021 · 4 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2020 · 5 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2015 · 10 years ago · Source ↗
Arsenic — MR violation
medium severityResolvedArsenic MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2011 · 15 years ago · Source ↗
Nickel — MR violation
medium severityResolvedNickel MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2011 · 15 years ago · Source ↗
Barium — MR violation
medium severityResolvedBarium MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2011 · 15 years ago · Source ↗
Cadmium — MR violation
medium severityResolvedCadmium MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2011 · 15 years ago · Source ↗
Chromium — MR violation
medium severityResolvedChromium MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2011 · 15 years ago · Source ↗
Selenium — MR violation
medium severityResolvedSelenium MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2011 · 15 years ago · Source ↗
Antimony, Total — MR violation
medium severityResolvedAntimony, Total MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2011 · 15 years ago · Source ↗
Beryllium, Total — MR violation
medium severityResolvedBeryllium, Total MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2011 · 15 years ago · Source ↗
Barium — MR violation
medium severityResolvedBarium MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2011 · 15 years ago · Source ↗
Cadmium — MR violation
medium severityResolvedCadmium MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2011 · 15 years ago · Source ↗
Mercury — MR violation
medium severityResolvedMercury MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2011 · 15 years ago · Source ↗
Selenium — MR violation
medium severityResolvedSelenium MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2011 · 15 years ago · Source ↗
Barium — MR violation
medium severityResolvedBarium MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2011 · 15 years ago · Source ↗
Chromium — MR violation
medium severityResolvedChromium MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2011 · 15 years ago · Source ↗
Selenium — MR violation
medium severityResolvedSelenium MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2011 · 15 years ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.