Free tap water grades for 1,100+ water systems & 10,000+ ZIP codesFree tap water grades for 10,000+ ZIP codes Official EPA compliance records · Independent ratings

Tap Water Quality Report

Tap water quality in LAKE HAVASU CITY, Arizona

Served by LAKE HAVASU CITY OF. 54,610 residents.

Average score 64/100
Utilities 1
Population 54,610
D
64/100
Below Average
ⓘ How did we get this rating?
Quick answer

Tap water in LAKE HAVASU CITY, Arizona receives a grade of D (64/100) from TapWaterSafety.org. It's served by LAKE HAVASU CITY OF. The most significant water quality concerns are: Arsenic significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?

What's in LAKE HAVASU CITY's tap water

Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving LAKE HAVASU CITY.

Arsenic significantly above health guideline

Moderate concern

Arsenic detected at 6.26 ppb, 1564x above the EWG health guideline of 0.004 ppb.

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 19.9 ppb, 332x above the EWG health guideline of 0.06 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 47.7 ppb, 318x above the EWG health guideline of 0.15 ppb.

EPA compliance record

Official U.S. EPA records for LAKE HAVASU CITY OF (system ID AZ0408022) for the last 3 years. Checked 2026-10-07.

No health-based violations. EPA recorded 2 quarters with a testing, reporting or notice violation.
2 of 12quarters with a violation
Nolead above EPA action level
03/11/2025last state inspection
RuleTypeSinceStatus
Stage 2 Disinfectants and Disinfection Byproducts Rule Missed testing or reporting 10/01/2025 Open
Ground Water Rule Missed testing or reporting 03/01/2024 Open

Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.

Recommended filters for LAKE HAVASU CITY

Filters matched to the specific contaminants in LAKE HAVASU CITY's water supply.

Reverse osmosis certified for arsenic (NSF/ANSI 58)

$429-$599

Reverse osmosis certified under NSF/ANSI 58 for arsenic is the most reliable home option.

AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon

Carbon filter certified for VOCs (NSF/ANSI 53)

$180-$599

Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.

Aquasana AQ-5300 Under-Sink Filter
$180-$240 NSF 42, 53, 401, 372
Editorial pick · affiliate link coming soon
AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon

Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.

All contaminants detected in LAKE HAVASU CITY's tap water

Every contaminant identified, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal. Why we show multiple standards →

Contaminant Detected EWG
US health-based
EPA
US legal
EU DWD
Europe
WHO
global
CA PHG
strictest US
Tested
sample year
Status
Arsenic
Heavy metal
6.26 ppb 0.004 10.0 10 10 0.004 — 1564× over
Haloacetic acids (HAA9)
Disinfection byproduct
19.9 ppb 0.06 — — — — — 332× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
47.7 ppb 0.15 80.0 100 — — — 318× over
Haloacetic acids (HAA5)
Disinfection byproduct
7.78 ppb 0.1 60.0 60 — — — 78× over
Chromium (hexavalent)
Heavy metal
1.4 ppb 0.02 — — — — — 70× over
Uranium
Radiological
9.05 pCi/L 0.43 20.0 30 30 0.43 — 21× over
Nitrate and nitrite
Inorganic
1.95 ppm 0.14 10.0 11.3 11.3 10 — 14× over
Nitrate
Inorganic
1.67 ppm 0.14 10.0 11.3 11.3 10 — 12× over
1,4-Dioxane
Semi-volatile organic compound
0.0835 ppb 0.35 — — 50 1 — Below guideline
Molybdenum
Other
6.43 ppb 40.0 — — — — — Below guideline
Selenium
Heavy metal
2.0 ppb 30.0 50.0 20 40 30 — Below guideline
Barium
Heavy metal
40.0 ppb 700.0 2000.0 — 1300 2000 — Below guideline
Vanadium
Other
0.888 ppb 21.0 — — — — — Below guideline
Manganese
Heavy metal
3.65 ppb 100.0 — 50 80 — — Below guideline
Strontium
Radiological
1.35 ppb 1500.0 — — — — — Below guideline
Fluoride
Inorganic
0.7 ppm — 4.0 1.5 1.5 — — Below guideline
Germanium
Other
0.155 ppb — — — — — — Below guideline

All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.

Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines, California OEHHA PHGs, EWG Tap Water Database.

Treatment plant contact info

For service issues, water quality concerns, or to request a Consumer Confidence Report from LAKE HAVASU CITY OF.

Treatment Plant

FacilityTP004 - CL2, AS, FE, MN, 4-LOG

ZIP codes served

LAKE HAVASU CITY's public water systems serve the following ZIP codes: