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Public water system record

Mile-Hi I&S District

Serves Vista West, Natrona County, WY · 48 people served

Federal records show 1 health-based violation and 2 monitoring/reporting issues for Mile-Hi I&S District in the last ten years. The most serious issue in this window was a resolved Lead and Copper Rule violation.

  • WY5601645
  • CASPER
  • WY
  • 48 served

System profile

Source water Purchased surface water
ZIP 82604
EPA system ID WY5601645

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
2

Key facts

  • Mile-Hi I&S District buys its water from City of Casper.
  • Most recent formal enforcement: compliance order (no penalty) by EPA, January 2020.
  • Record on file since 2015, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 25 unknown out of 51 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Lead and Copper Rule
Treatment technique failure
 350 Apr 1, 2020 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
 Jan 1, 2018 Resolved
Consumer Confidence Rule
OTHER
 Oct 1, 2017 Resolved

Full record since 2015

EPA's records for Mile-Hi I&S District go back to 2015. Before October 19, 2016 they list no health-based violations and 1 monitoring or reporting violation.

Violations that began in Health-based Monitoring and reporting
2010 to October 18, 2016 0 1
October 19, 2016 to 2019 0 2
2020s 1 0

Enforcement actions

EPA took 1 formal enforcement action against Mile-Hi I&S District in 2020. The most recent was a compliance order (no penalty) in January 2020.

Date By Action Violations covered
Jan 14, 2020 EPA Compliance order (no penalty) 2 violations: Consumer Confidence Rule, Lead and Copper Rule

What the violations mean

Lead and Copper Rule

1 incident

The system did not complete a treatment step or action that the Lead and Copper Rule requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Mile-Hi I&S District buys its water from City of Casper. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Mile-Hi I&S District must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Mile-Hi I&S District for a copy.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by EPA Region 8.

Certified drinking water labs by state EPA guidance for private wells