Miami Beach, FL: 154 Violations — 57/100 (2026)
7 ZIP codes · 4 water systems · Updated 2026-06-03
Water monitoring across Miami Beach paints a mid-range picture within FL — solid compliance in some service zones, documented concerns in others. Most violations on record are concentrated in specific areas, and the overall grade has held in the middle tier without major shifts in recent monitoring cycles.
How Miami Beach Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Miami Beach, FL
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Safety grade breakdown for Miami Beach's 7 ZIP codes.
Key Facts for Miami Beach Residents
- Your city's water systems recorded 154 violations in the past 5 years.
- Average lead level: 0.0025 mg/L.
- Homes built before 1986: 67% — older plumbing may contain lead solder.
- Estimated remediation: $2,029 per household.
- CDC health risk index: 11.77.
Miami Beach's Water Providers
Residential water service in Miami Beach, FL is divided among 3 separate utilities, drawn from 4 systems on file with federal regulators.
Overview
We track water quality and home safety data for 7 ZIP codes in Miami Beach, Florida (population ~105,205), covering 4 community water systems serving approximately 2,657,546 people region-wide.
7 of 7 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Miami Beach: C (57/100)
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
Miami Beach water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0025 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): 7 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 | 80 | 7 |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 64 | 7 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 32 | 7 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 33109 | C | 22 | 0 | City of Miami Beach, |
| 33119 | C | 22 | 0 | City of Miami Beach, |
| 33139 | D | 22 | 0 | City of Miami Beach, |
| 33140 | D | 22 | 0 | City of Miami Beach, |
| 33141 | D | 22 | 0 | City of Miami Beach, |
| 33154 | D | 22 | 0 | MDWASA - MAIN SYSTEM |
| 33239 | C | 22 | 0 | City of Miami Beach, |
All ZIP Codes in Miami Beach
- 33109 [C] — 22 violations
- 33119 [C] — 22 violations
- 33139 [D] — 22 violations
- 33140 [D] — 22 violations
- 33141 [D] — 22 violations
- 33154 [D] — 22 violations
- 33239 [C] — 22 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.
Miami Beach Community Health Snapshot
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
What's in Miami Beach's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Miami Beach Infrastructure Age
With 67% 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
Two dates define the high-risk tiers of residential plumbing from a lead standpoint: 1970, before which lead pipes were commonly installed for service connections, and 1986, before which lead solder was standard in copper plumbing. A median build year of 1968 places Miami Beach's housing distribution well within that older risk zone. The bar chart above breaks down how much of the stock falls into each era — and the pre-1986 share alone represents more than half the residential inventory, making plumbing-era risk a defining characteristic of the local water safety picture.
Over half of homes in Miami Beach 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.
How Remediation Costs Compare in Miami Beach
In Miami Beach, 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 Miami Beach are relatively low compared to home values. The $1,086–$3,114 estimated range is a small fraction of median property value. Home values are 119% above the Florida average.
Miami Beach: Lead Risk & Vulnerable Populations
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.
Although utility-side compliance with federal Lead and Copper requirements remains the system reference, that compliance does not extend down into interior plumbing. With 67% of Miami Beach stock built before the solder ban and aggregate readings at or beyond the action mark, a household-level sample becomes the practical way to close that information gap.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Miami Beach: Flood History & Water Damage Risk
Across the years captured by NFIP data, Miami Beach has logged 3880 flood insurance claims and carries 86% of its ZIP codes within FEMA-designated flood zones — a sustained record consistent with high flood exposure. The water quality implications run through several pathways: treatment systems repeatedly stressed by high-volume intake, private wells in FEMA zones facing recurring infiltration risk, and distribution infrastructure that has likely experienced multiple backflow episodes during large events.
Miami Beach has a significant flood history with 3,880 FEMA flood insurance claims on record, averaging $17,055 per claim. With 86% 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>$2,029</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 Miami Beach
- 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 Miami Beach's water.
- Check your home's plumbing. With 67% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Miami Beach, FL