Tap Truth EPA drinking water records, in plain English

Public water system record

NPS - Death Valley, Cow Creek/Nevares

Serves an area of Inyo County, CA · 88 people served

Federal records show no health-based violations and 3 monitoring/reporting issues for NPS - Death Valley, Cow Creek/Nevares in the last ten years.

  • CA1410503
  • DEATH VALLEY
  • CA
  • 88 served

System profile

Source water Groundwater
ZIP 92328
EPA system ID CA1410503

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
3

Key facts

  • NPS - Death Valley, Cow Creek/Nevares draws water from 1 spring.
  • Most recent formal enforcement: compliance order (no penalty) by California, December 2025.
  • Record on file since 2015, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 73 service lines.

Check whether NPS - Death Valley, Cow Creek/Nevares serves your address

Address suggestions by Mapbox

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
Haloacetic Acids (HAA5)
Monitoring and reporting
 Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2022 Resolved

Full record since 2015

EPA's records for NPS - Death Valley, Cow Creek/Nevares 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
2020s 0 3

Enforcement actions

California regulators took 3 formal enforcement actions against NPS - Death Valley, Cow Creek/Nevares between 2015 and 2025. The most recent was a compliance order (no penalty) in December 2025.

Date By Action Violations covered
Dec 24, 2025 California Compliance order (no penalty) 2 violations: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
May 22, 2023 California Compliance order (no penalty) 1 violation: Lead and Copper Rule
Nov 4, 2015 California Compliance order (no penalty) 1 violation: Lead and Copper Rule

Where the water comes from

NPS - Death Valley, Cow Creek/Nevares draws water from 1 spring.

Annual water quality report

NPS - Death Valley, Cow Creek/Nevares 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 NPS - Death Valley, Cow Creek/Nevares 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 California.

Certified drinking water labs by state EPA guidance for private wells