Water Quality Report · Updated October 07, 2026
LAKE HAVASU CITY OF
LAKE HAVASU CITY OF delivers tap water graded D (64/100) by TapWaterSafety.org. The utility serves approximately 54,610 residents in LAKE HAVASU CITY, Arizona using groundwater. 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. For questions, the utility can be reached at 928-490-1371.
Is LAKE HAVASU CITY tap water safe to drink?
LAKE HAVASU CITY OF delivers tap water that earns a grade of D (64/100) from TapWaterSafety.org — a below-average rating, with multiple concerns including arsenic significantly above health guideline.
The utility serves 54,610 residents in LAKE HAVASU CITY, drawing from groundwater.
Public testing data identifies 8 contaminants in this water above EWG's health-based guidelines, including: Arsenic, Haloacetic acids (HAA9), Total trihalomethanes (TTHMs), Haloacetic acids (HAA5), Chromium (hexavalent), Uranium, Nitrate and nitrite, Nitrate. For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.
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.
| Rule | Type | Since | Status |
|---|---|---|---|
| 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.
Quick actions for LAKE HAVASU CITY residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for LAKE HAVASU CITY OF.
Arsenic significantly above health guideline
Moderate concernArsenic detected at 6.26 ppb, 1564x above the EWG health guideline of 0.004 ppb.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic 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 concernTotal trihalomethanes (TTHMs) detected at 47.7 ppb, 318x above the EWG health guideline of 0.15 ppb.
Contact LAKE HAVASU CITY OF
Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.
General Contact
Treatment Plant
Recommended water filters for LAKE HAVASU CITY
Filters matched to the specific contaminants in this water supply.
Reverse osmosis certified for arsenic (NSF/ANSI 58)
$429-$599Reverse osmosis certified under NSF/ANSI 58 for arsenic is the most reliable home option.
Carbon filter certified for VOCs (NSF/ANSI 53)
$180-$599Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
Score breakdown
This utility's overall score of 64/100 breaks down across five weighted components. Read the full methodology →
Contaminants detected — international standards comparison
Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). 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 (4th ed.), California OEHHA PHGs, EWG Tap Water Database.
LAKE HAVASU CITY OF service area
This water system serves 1 community in Mohave County, Arizona. Click any city for its dedicated tap water quality page.
Find the right filter for LAKE HAVASU CITY water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.