Public water system profile

Lake Havasu City

Explore available public water records for Lake Havasu City (PWSID AZ0408022). Find annual reports, results listed in those reports, official sources, and clear notes about what the records can and cannot show. This page does not show conditions at a specific tap.

View report rows

System Snapshot

Available system-level context

This snapshot shows the identity and context fields currently available for Lake Havasu City (PWSID AZ0408022). Read it with the source links and limitations below.

Last updated: Data reviewed:

System identity

PWSID
AZ0408022
State
Arizona
Linked communities
Lake Havasu City
County context
Not listed in current record
System type
Community water system
Source water
Groundwater drawn from the Colorado River Aquifer
Population served context
Not listed in current record
Service connections
Not listed in current record
Latest reviewed report
2025 report link found
Data updated
2026-06-10

A source-backed population-served value is not currently shown for this system. City population should not be used as a substitute for the public water system population.

Read these as system-level fields from reviewed public records. Confirm provider and address-specific questions with official utility, city, state, or EPA sources.

Report-Listed Rows

Report-listed rows summarized from the latest reviewed report

2 report-listed rows are summarized for Lake Havasu City. A listed row is not the same thing as a current advisory or household tap result.

Report year
2025
Rows summarized
2
Source tables represented
2
Scope
Past reporting period
Report-row preview from the latest reviewed report for Lake Havasu City
Substance and testing periodReported valueRange in reportLimit or standardSource tableReport-printed status
BariumTesting period: 01/20230.040 ppmRunning Annual Average (RAA)Range of All Samples (Low-High): 0.040MCL: 2; MCLG: 2Inorganic Chemicals (IOC)Page 4Typical source, as printed: Discharge of drilling wastes; discharge from metal refineries; Erosion of natural depositsN, as printed in the report
NitrateTesting period: 01/20251.6 ppmHighest Level DetectedRange of All Samples (Low-High): 1.6MCL: 10; MCLG: 10Inorganic Chemicals (IOC) cont.Page 4Typical source, as printed: Runoff from fertilizer use; leaching from septic tanks, sewage; erosion of natural depositsN, as printed in the report

Report row

Barium

Range in report
Range of All Samples (Low-High): 0.040 ppm
Running Annual Average (RAA)
0.040 ppm
Testing period
01/2023
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 2; MCLG: 2
Report-printed status
N, as printed in the report

Source · Page 4

Inorganic Chemicals (IOC)

Typical source, as printed: Discharge of drilling wastes; discharge from metal refineries; Erosion of natural deposits

Report row

Nitrate

Range in report
Range of All Samples (Low-High): 1.6 ppm
Highest Level Detected
1.6 ppm
Testing period
01/2025
Sites above action level
Not applicable to this summarized entry
Limit or standard
MCL: 10; MCLG: 10
Report-printed status
N, as printed in the report

Source · Page 4

Inorganic Chemicals (IOC) cont.

Typical source, as printed: Runoff from fertilizer use; leaching from septic tanks, sewage; erosion of natural deposits

Source report notes

Source: Lake Havasu City 2025 Annual Drinking Water Quality Report. Retrieved 2026-06-10.

  • Applies to: Barium

    The row prints Sample Month & Year 01/2023 and is listed as printed.

  • Applies to: Nitrate

    The continued table header uses Highest Level Detected; the row prints Sample Month & Year 01/2025. The eight-page document does not print corresponding footnote text, so none is inferred.

  • Applies to: Nitrate

    Footnote: Source row label includes footnote marker 2, but the eight-page document does not print corresponding numbered footnote text.

Review the linked source report for definitions, footnotes, and official wording.

Violation Records

Violation records shown on this page

This section shows 0 system-scoped violation detail records currently included for Lake Havasu City. Annual reports and current notices can use different timing and terminology.

No system-scoped violation detail records are included in the available reviewed records for this system. This is not an official compliance finding. Check the official utility, state, or EPA source for current compliance and notice information.

Important limitation

Profile summary note

This page summarizes public records reviewed by this site. It does not replace official notices, utility updates, or state drinking water information.

System profile limitations

  • This record is based on the official Lake Havasu City water-quality report reviewed on June 10, 2026.
  • The 2025 report identifies AZ0408022 and describes groundwater drawn from the Colorado River Aquifer.
  • The report includes a high-risk source-water assessment designation; the report states this designation is about susceptibility and does not by itself mean contamination is present or imminent.
  • Population served is omitted until a current source-backed public-water-system inventory value is listed.
  • Address-level service can vary. Confirm the serving provider with a bill, account portal, utility, city, or state source.
  • This page may show summarized entries from available annual reports. It does not include a complete historical contaminant table.
  • This page shows summarized entries from the available report. It does not include a complete contaminant or violation table.
  • Missing fields are not findings. They mean the field is not shown on this page from the records currently available.
  • This page summarizes available public records. It may not include every update, notice, or urgent official advisory.

Latest Reviewed Report

Latest reviewed report found by this site

The 2025 report found for Lake Havasu City summarizes a past reporting period. It is not a live alert page.

Utility reportReport data updated:

2025 Annual Drinking Water Quality Report

Open 2025 water quality report

The 2025 report link is available for Lake Havasu City. Use the linked source report for the full table, definitions, footnotes, and official context. This page includes summarized entries from the available report. They are not a complete copy of the report table.

Report year
2025
Summarized entries shown
2
Source name
Lake Havasu City 2025 Annual Drinking Water Quality Report
Source URL
Open report source
Source retrieved
2026-06-10
Last reviewed
2026-06-10

Use the linked source report for the full table, definitions, footnotes, and official context.

Data coverage

This page summarizes selected public records for this public water system. It may not include every report, update, current notice, or address-level service detail.

Latest reviewed report
2025 report link found
Report-listed rows
2 summarized report entries shown
Detailed violation records
No detailed system-scoped records displayed
Population served
Not listed in current record
Service connections
Not listed in current record
City context
Lake Havasu City
County context
Not listed in current record

Local Context

City and state context for this system

Lake Havasu City is linked here to Lake Havasu City for navigation. That relationship does not confirm the provider for a specific address; use a bill, utility portal, or official lookup source.

Linked local context

Linked communities
Lake Havasu City
County context
Not listed in current record
State context
Arizona

Related Explainers

Related contaminants and guides

Use these explainers with Lake Havasu City's report year, source table, and official report. Links are limited to existing guide and contaminant pages.

Metals and inorganic chemicals

Nitrate

Nitrate is a regulated inorganic contaminant. Report labels often specify that the result is measured as nitrogen, and that basis must remain attached to the value and unit.

Read the Nitrate contaminant guide

How to look up your drinking water system

Start with a utility bill, PWSID, state lookup tool, or official report so you can find the public water system behind a city or provider name.

View How to look up your drinking water system

How to read a water quality report

A plain-English walkthrough of Consumer Confidence Reports, including report years, detected contaminants, legal limits, violations, and source notes.

View How to read a water quality report

Corrections

Suggest a correction or newer source

If you have a newer official report, utility source, or correction, send the source link for review. This helps keep profile summaries tied to public records.

Suggest an update

Evidence

Official sources and report links

Use official federal, state, utility, or report sources before treating a page as final.

Data methodology

Review source hierarchy, missing-data handling, and record limitations.

View Data methodology

Data limitations

See why limited records, missing fields, and current notices need careful interpretation.

View Data limitations