Star Valley Ranch, WY
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
Star Valley Ranch, Town Of
- PWSID:
- WY5600287
- Source:
- Ground water
- Serves:
- 2,030 people
EPA & DEP violations
Star Valley Ranch, Town Of
PWSID WY560028713 violationsE. COLI — MR violation
medium severityResolvedE. COLI MR violation (Resolved).
EPA SDWIS · MR · Began Oct 9, 2025 · 10 months ago · Source ↗
Total Haloacetic Acids (HAA5) — MR violation
medium severityResolvedTotal Haloacetic Acids (HAA5) MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
TTHM — MR violation
medium severityResolvedTTHM MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Revised Total Coliform Rule — TT violation
high severityHealth-basedResolvedRevised Total Coliform Rule TT violation (Resolved).
EPA SDWIS · TT · Began Apr 21, 2023 · 3 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2016 · 10 years ago · Source ↗
Groundwater Rule — TT violation
high severityHealth-basedResolvedGroundwater Rule TT violation (Resolved).
EPA SDWIS · TT · Began Dec 24, 2015 · 10 years ago · Source ↗
Coliform (TCR) — MR violation
medium severityResolvedColiform (TCR) MR violation (Resolved).
EPA SDWIS · MR · Began Dec 1, 2015 · 10 years ago · Source ↗
E. COLI — MR violation
medium severityResolvedE. COLI MR violation (Resolved).
EPA SDWIS · MR · Began Nov 18, 2015 · 10 years ago · Source ↗
Coliform (TCR) — MCL violation
high severityHealth-basedResolvedColiform (TCR) MCL violation (Resolved).
EPA SDWIS · MCL · Began Nov 1, 2015 · 10 years ago · Source ↗
Groundwater Rule — Other violation
medium severityUnaddressedGroundwater Rule Other violation (Unaddressed).
EPA SDWIS · Other · Began Sep 25, 2015 · 10 years ago · Source ↗
Coliform (TCR) — MR violation
medium severityResolvedColiform (TCR) MR violation (Resolved).
EPA SDWIS · MR · Began Jun 1, 2013 · 13 years ago · Source ↗
Coliform (TCR) — MCL violation
high severityHealth-basedResolvedColiform (TCR) MCL violation (Resolved).
EPA SDWIS · MCL · Began Feb 1, 2010 · 16 years ago · Source ↗
Violation — Violation violation
medium severityContaminant Violation violation.
EPA SDWIS · Violation · Began — · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.