Lake Havasu City, AZ: 52 Violations — 68/100 (2026)
4 ZIP codes · 4 water systems · Updated 2026-06-04
For most households in Lake Havasu City, AZ tap water is adequate — the middle-tier grade reflects gaps in specific service areas.
How Lake Havasu City Compares
Data: EPA SDWIS Last verified: 2026-06-04
Lake Havasu City Water: The Quick Version
- Your city's water systems recorded 52 violations in the past 5 years.
- Average lead level: 0.0031 mg/L.
- Homes built before 1986: 32% — older plumbing may contain lead solder.
- Estimated remediation: $1,800 per household.
- CDC health risk index: 15.41 — above typical levels.
Water Systems Serving Lake Havasu City
Water delivery in Lake Havasu City, AZ is handled by 3 utilities rather than a single system — drawn from 4 providers in federal records, each filing its own compliance reports and setting its own rates.
Overview
We track water quality and home safety data for 4 ZIP codes in Lake Havasu City, Arizona, covering 4 community water systems serving approximately 61,852 people.
4 of 4 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Lake Havasu City: C (68/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Lake Havasu City water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0031 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 4 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Revised Total Coliform Rule | Microbiological | 20 | 4 |
| Consumer Confidence Report Rule | Reporting | 15 | 4 |
| Barium | Inorganic | 10 | 4 |
| Lead and Copper Rule | Treatment Technique | 10 | 4 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 5 | 4 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 86403 | C | 13 | 0 | City of Lake Havasu |
| 86404 | C | 13 | 0 | City of Lake Havasu |
| 86405 | C | 13 | 0 | City of Lake Havasu |
| 86406 | C | 13 | 0 | City of Lake Havasu |
All ZIP Codes in Lake Havasu City
- 86403 [C] — 13 violations
- 86404 [C] — 13 violations
- 86405 [C] — 13 violations
- 86406 [C] — 13 violations
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
CDC Health Data for Lake Havasu City
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Key Contaminants Detected in Lake Havasu City
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Old Is Lake Havasu City's Housing Stock?
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
With a median build year of 1990, Lake Havasu City's housing stock reflects a city built across multiple eras. A substantial share of homes predate 1986 — the year lead solder in plumbing was federally banned — meaning the risk from plumbing materials is unevenly distributed across the city's neighborhoods and property types.
Most homes in Lake Havasu City were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Lake Havasu City: Remediation Cost in Perspective
The household financial picture for Lake Havasu City homeowners is proportionally favorable — addressing documented issues claims a small slice of equity, and the cost-to-value ratio puts this area well within the manageable tier.
Remediation costs in Lake Havasu City are relatively low compared to home values. The $900–$2,850 estimated range is a small fraction of median property value. Home values are 38% above the Arizona average.
Protecting Children from Lead in Lake Havasu City
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Even where utility-side monitoring meets Lead and Copper Rule requirements, the 32% pre-rule share in Lake Havasu City keeps interior-plumbing variation as a household-level question that aggregate data cannot resolve.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Lake Havasu City
Over the multi-decade window covered by the National Flood Insurance Program, Lake Havasu City has accumulated 3 claims — a total that suggests more than isolated flood exposure. With 50% of ZIP codes in designated flood zones, the water-quality implications of flooding move from hypothetical to periodically relevant: treatment intake can be compromised, wells can be infiltrated, and distribution backflow can occur.
Lake Havasu City has a moderate flood history with 3 FEMA claims. 50% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,800</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Lake Havasu City
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. Filters rated for Revised Total Coliform Rule can reduce the most common contaminant found in Lake Havasu City's water.
- Check your home's plumbing. With 32% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Lake Havasu City, AZ