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Public water system record

Nellis Air Force Base

Serves Nellis AFB and North Las Vegas, Clark County, NV · 19,081 people served

Federal records show 3 health-based violations and no monitoring/reporting issues for Nellis Air Force Base in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • NV0003028
  • NELLIS AFB
  • NV
  • 19,081 served

System profile

Source water Purchased surface water
ZIP 89191
EPA system ID NV0003028

Verify this system on EPA ECHO →

Health-based violations, last 10 years
3
Resolved
3
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
0

Key facts

  • Nellis Air Force Base draws water from 7 wells (5 of them for emergency, seasonal or other part-time use).
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.089 mg/L, federal limit 0.08 mg/L (1.1 times the limit), 2025.
  • Most recent enforcement action: boil water order by Nevada, June 2005.
  • Record on file since 1991, with 7 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 22 unknown out of 1,985 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
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.089 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Jul 1, 2025 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Jul 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 220 Apr 1, 2017 Resolved No

Full record since 1991

EPA's records for Nellis Air Force Base go back to 1991. Before October 19, 2016 they list 7 health-based violations (6 resolved, 1 archived by EPA without a recorded fix) and 2 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 1
2000s 5 1
2010 to October 18, 2016 1 0
October 19, 2016 to 2019 2 0
2020s 1 0

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began July 2011, Resolved.

Show all 7 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jul 1, 2011 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jun 1, 2007 Resolved
Total Coliform
Contaminant limit exceeded
 Sep 1, 2005 Resolved
Total Coliform (acute)
Contaminant limit exceeded
 Jun 1, 2005 Resolved
Total Coliform
Contaminant limit exceeded
 Oct 1, 2003 Resolved
Total Coliform
Contaminant limit exceeded
 Apr 1, 2002 Resolved
Total Coliform
Contaminant limit exceeded
 Jul 1, 1991 Archived

Enforcement actions

Nevada regulators issued 1 boil water order to Nellis Air Force Base in 2005. The most recent was a boil water order in June 2005.

Date By Action Violations covered
Jun 21, 2005 Nevada Boil water order 1 violation (1 health-based): Total Coliform

What the violations mean

Total Trihalomethanes (TTHMs)

3 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

Nellis Air Force Base draws water from 7 wells (5 of them for emergency, seasonal or other part-time use). It also buys water from Southern Nevada Water System.

Buys water from

  • Southern Nevada Water System Las Vegas, NV

Annual water quality report

Nellis Air Force Base 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

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 Nevada.

Certified drinking water labs by state EPA guidance for private wells