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Public water system record

Thirty-Three Mile Road I&S District

Serves an area of Natrona County, WY that includes Mills and Casper · 100 people served

Federal records show no health-based violations and 2 monitoring/reporting issues for Thirty-Three Mile Road I&S District in the last ten years. At least one of these issues remains unresolved.

  • WY5601579
  • MILLS
  • WY
  • 100 served

System profile

Source water Purchased surface water
ZIP 82644
EPA system ID WY5601579

Verify this system on EPA ECHO →

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

Key facts

  • Thirty-Three Mile Road I&S District buys its water from Central Wy Regional Water System JPB.
  • Record on file since 2009, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 100 service lines.

Check whether Thirty-Three Mile Road I&S District serves your address

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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.

None since October 2016.

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Consumer Confidence Rule
OTHER
 Jul 1, 2025 Active
Lead and Copper Rule
Monitoring and reporting
 Dec 30, 2024 Resolved

Full record since 2009

EPA's records for Thirty-Three Mile Road I&S District go back to 2009. Before October 19, 2016 they list no health-based violations and 3 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 0 1
2010 to October 18, 2016 0 2
2020s 0 2

Where the water comes from

Thirty-Three Mile Road I&S District buys its water from Central Wy Regional Water System JPB. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Thirty-Three Mile Road 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 Thirty-Three Mile Road 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