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Public water system record

Pioneer Water & Sewer District

Serves an area of Natrona County, WY that includes Mills and Vista West · 1,500 people served

Federal records show no health-based violations and 6 monitoring/reporting issues for Pioneer Water & Sewer District in the last ten years. At least one of these issues remains unresolved.

  • WY5600828
  • CASPER
  • WY
  • 1,500 served

System profile

Source water Purchased surface water
ZIP 82604
EPA system ID WY5600828

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
6

Key facts

  • Pioneer Water & Sewer District buys its water from Central Wy Regional Water System JPB.
  • Most recent formal enforcement: compliance order (no penalty) by EPA, January 2021.
  • Record on file since 1991, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 367 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.

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
Revised Total Coliform Rule
Monitoring violation
 Nov 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
 Nov 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
 Apr 1, 2022 Resolved
Consumer Confidence Rule
OTHER
 Oct 1, 2020 Active
Enforcement action in place
Lead and Copper Rule
Monitoring and reporting
 Jun 1, 2019 Resolved
Consumer Confidence Rule
OTHER
 Oct 1, 2015 Resolved

Full record since 1991

EPA's records for Pioneer Water & Sewer District go back to 1991. Before October 19, 2016 they list no health-based violations and 4 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 1
2000s 0 1
2010 to October 18, 2016 0 2
October 19, 2016 to 2019 0 1
2020s 0 4

Enforcement actions

EPA took 1 formal enforcement action against Pioneer Water & Sewer District in 2021. The most recent was a compliance order (no penalty) in January 2021.

Date By Action Violations covered
Jan 5, 2021 EPA Compliance order (no penalty) 3 violations: Lead and Copper Rule, Consumer Confidence Rule

Where the water comes from

Pioneer Water & Sewer 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

Pioneer Water & Sewer 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.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

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