Public water system record

Littlerock Creek Irrigation Dist.

Serves an area of Los Angeles County, CA that includes Palmdale, Sun Village and Littlerock · 3,040 people served

Federal records show no health-based violations and 6 monitoring/reporting issues for Littlerock Creek Irrigation Dist. in the last ten years.

  • CA1910064
  • LITTLEROCK
  • CA
  • 3,040 served

System profile

Source water Groundwater
ZIP 93543
EPA system ID CA1910064

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

  • Littlerock Creek Irrigation Dist. draws water from 4 wells.
  • Most recent formal enforcement: compliance order (no penalty) by California, October 2025.
  • Record on file since 2008, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 1,332 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
Nitrate
Monitoring and reporting
Jan 1, 2024 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2023 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2023 Resolved
Groundwater Rule
Monitoring and reporting
Sep 1, 2022 Resolved
Nitrate
Monitoring and reporting
Jul 1, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2020 Resolved

Full record since 2008

EPA's records for Littlerock Creek Irrigation Dist. go back to 2008. 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
2000s 0 1
2020s 0 6

Enforcement actions

California regulators took 6 formal enforcement actions against Littlerock Creek Irrigation Dist. between 2008 and 2025. The most recent was a compliance order (no penalty) in October 2025.

Date By Action Violations covered
Oct 22, 2025 California Compliance order (no penalty) 1 violation: Nitrate
Jun 6, 2023 California Compliance order (no penalty) 2 violations: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)
Jan 11, 2023 California Compliance order (no penalty) 1 violation: Nitrate
Nov 3, 2022 California Compliance order (no penalty) 1 violation: Groundwater Rule
Nov 3, 2020 California Compliance order (no penalty) 1 violation: Lead and Copper Rule
Oct 23, 2008 California Compliance order (no penalty) 1 violation: Total Coliform

Where the water comes from

Littlerock Creek Irrigation Dist. draws water from 4 wells. It also buys water from Palmdale Water Dist.

Buys water from

Annual water quality report

Littlerock Creek Irrigation Dist. 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 California.