Mills, WY
Contamination score
Higher = more contaminated vs. other cities.
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Reported illness & cancer claims
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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
Mills, City Of
- PWSID:
- WY5600036
- Source:
- Surface water
- Serves:
- 4,050 people
Poison Spider I&S District
- PWSID:
- WY5600073
- Source:
- Surface water
- Serves:
- 200 people
Bar Nunn, Town Of
- PWSID:
- WY5600067
- Source:
- Surface water
- Serves:
- 4,000 people
Pioneer Water & Sewer District
- PWSID:
- WY5600828
- Source:
- Surface water
- Serves:
- 1,500 people
Lakeview I&S District
- PWSID:
- WY5601494
- Source:
- Surface water
- Serves:
- 62 people
Thirty-Three Mile Road I&S District
- PWSID:
- WY5601579
- Source:
- Surface water
- Serves:
- 100 people
Countryside Court
- PWSID:
- WY5600756
- Source:
- Ground water
- Serves:
- 125 people
Pleasant View Water Company
- PWSID:
- WY5600082
- Source:
- Surface water
- Serves:
- 130 people
Air Base Acres I&S District
- PWSID:
- WY5600080
- Source:
- Surface water
- Serves:
- 236 people
EPA & DEP violations
Mills, City Of
PWSID WY56000363 violationsTTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Jan 1, 2025 · 1 year ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Oct 1, 2024 · 1 year ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Jul 1, 2024 · 2 years ago · Source ↗
City-wide
17 violationsRevised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Nov 1, 2025 · 9 months ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityUnaddressedConsumer Confidence Rule Other violation (Unaddressed).
EPA SDWIS · Other · Began Jul 1, 2025 · 1 year ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityUnaddressedConsumer Confidence Rule Other violation (Unaddressed).
EPA SDWIS · Other · Began Jul 1, 2025 · 1 year ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Dec 30, 2024 · 1 year ago · Source ↗
Surface Water Treatment Rule — MR violation
medium severityResolvedSurface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began Nov 1, 2024 · 1 year ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Nov 1, 2024 · 1 year ago · Source ↗
LEAD AND COPPER RULE REVISIONS — RPT violation
medium severityResolvedLEAD AND COPPER RULE REVISIONS RPT violation (Resolved).
EPA SDWIS · RPT · Began Oct 17, 2024 · 1 year ago · Source ↗
LEAD AND COPPER RULE REVISIONS — TT violation
high severityHealth-basedResolvedLEAD AND COPPER RULE REVISIONS TT violation (Resolved).
EPA SDWIS · TT · Began Oct 17, 2024 · 1 year ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityUnaddressedConsumer Confidence Rule Other violation (Unaddressed).
EPA SDWIS · Other · Began Jul 1, 2024 · 2 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2023 · 3 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Oct 1, 2022 · 3 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2022 · 4 years ago · Source ↗
Surface Water Treatment Rule — MR violation
medium severityResolvedSurface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began Apr 1, 2022 · 4 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Dec 30, 2021 · 4 years ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Aug 1, 2021 · 5 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityAddressedLead and Copper Rule MR violation (Addressed).
EPA SDWIS · MR · Began Dec 30, 2020 · 5 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityAddressedConsumer Confidence Rule Other violation (Addressed).
EPA SDWIS · Other · Began Oct 1, 2020 · 5 years ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.