Hialeah, FL: 420 Violations — 56/100 (2026)
10 ZIP codes · 5 water systems · Updated 2026-06-03
Based on current EPA data, Hialeah, FL reflects fair but uneven tap water safety.
How Hialeah Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Hialeah, FL
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Distribution of water safety grades across Hialeah.
Hialeah Water: The Quick Version
- Your city's water systems recorded 420 violations in the past 5 years.
- Average lead level: 0.0014 mg/L.
- Homes built before 1986: 62% — older plumbing may contain lead solder.
- Estimated remediation: $1,660 per household.
- CDC health risk index: 11.77.
Water Systems Serving Hialeah
Residential water service in Hialeah, FL is divided among 3 separate utilities, drawn from 5 systems on file with federal regulators.
Overview
We track water quality and home safety data for 10 ZIP codes in Hialeah, Florida (population ~351,492), covering 5 community water systems serving approximately 2,811,990 people region-wide.
10 of 10 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Hialeah: C (56/100)
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
Hialeah water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0014 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): 10 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 |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting | 209 | 10 |
| Total Coliform | Microbiological | 143 | 10 |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 77 | 10 |
| Lead | Inorganic | 11 | 10 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 11 | 10 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 33002 | C | 42 | 0 | City of Hialeah, |
| 33010 | D | 42 | 0 | City of Hialeah, |
| 33011 | C | 42 | 0 | City of Hialeah, |
| 33012 | D | 42 | 0 | City of Hialeah, |
| 33013 | D | 42 | 0 | City of Hialeah, |
| 33014 | D | 42 | 0 | City of Hialeah, |
| 33015 | D | 42 | 0 | MDWASA - MAIN SYSTEM |
| 33016 | D | 42 | 0 | City of Hialeah, |
| 33017 | C | 42 | 0 | City of Hialeah, |
| 33018 | D | 42 | 0 | City of Hialeah, |
All ZIP Codes in Hialeah
- 33002 [C] — 42 violations
- 33010 [D] — 42 violations
- 33011 [C] — 42 violations
- 33012 [D] — 42 violations
- 33013 [D] — 42 violations
- 33014 [D] — 42 violations
- 33015 [D] — 42 violations
- 33016 [D] — 42 violations
- 33017 [C] — 42 violations
- 33018 [D] — 42 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 Hialeah
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 Hialeah
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Old Is Hialeah's Housing Stock?
With 62% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
The lead that enters tap water in older homes often comes not from the municipal supply but from the home's own plumbing — from solder used in copper joints before the 1986 federal ban, or from lead pipes installed before 1970. In Hialeah, where the median build year is 1975, these older materials are widespread. More than half the residential stock predates the 1986 solder ban, and a significant fraction predates 1970 as well. For residents in those homes, the city-wide water quality picture is a less relevant frame than the specific materials inside their own walls and under their own street.
Over half of homes in Hialeah were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Hialeah: Remediation Cost in Perspective
In Hialeah, documented water and safety issues can be addressed without making a meaningful dent in home equity — the financial proportionality here is favorable, and the commitment fits within standard property planning frameworks.
Remediation costs in Hialeah are relatively low compared to home values. The $840–$2,620 estimated range is a small fraction of median property value. Home values are 14% above the Florida average.
Protecting Children from Lead in Hialeah
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.
Locally, 62% of Hialeah homes carry interior plumbing from the era when lead solder was still permitted in new builds, and citywide monitoring approaches or crosses the EPA action benchmark. Households can find a draw-test kit and certified filtration through verified retailers.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Hialeah
Measured against the full NFIP dataset, Hialeah's flood record stands out: 5475 claims accumulated over decades and 70% of ZIP codes inside FEMA-designated boundaries add up to a high-exposure profile where water infrastructure has faced recurrent stress.
Hialeah has a significant flood history with 5,475 FEMA flood insurance claims on record, averaging $8,799 per claim. With 70% of ZIP codes in FEMA-designated flood zones, flood risk is a major concern for homeowners and water quality.
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>$1,660</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 Hialeah
- 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 Consumer Confidence Report Rule can reduce the most common contaminant found in Hialeah's water.
- Check your home's plumbing. With 62% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Hialeah, FL