Is Lake Clarke Shores, FL Tap Water Safe to Drink?
Graded B, with 7 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
77.4/100
Lake Clarke Shores, FL — Water Quality Report
Lake Clarke Shores's drinking water received a grade of B (77.4 out of 100), indicating good water quality. The city's 3 water systems serve approximately 7,368 residents using purchased ground water.
Lead levels were measured at 0.6 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 37 violations on record, including 7 health-based violations. 7 remain unresolved.
What to know about Lake Clarke Shores's water
Lake Clarke Shores ranks #169 out of 388 cities in Florida for water quality, placing it mid-range in the state.
Lake Clarke Shores purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.
Haloacetic acid (HAA5) levels were elevated at 56.9 µg/L in UCMR 4 testing, though below the 60 µg/L EPA limit. Activated carbon filtration can help reduce these disinfection byproducts.
The system has seen 13 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Lake Clarke Shores, FL water safe to drink?
Lake Clarke Shores's drinking water has significant quality concerns based on EPA testing data. With a grade of B (77.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 3 water systems serve approximately 7,368 residents using groundwater (wells).
Recent water quality updates for Lake Clarke Shores
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Lake Clarke Shores's water quality assessment. Grade: B (77.4/100).
Contaminants: Revised Total Coliform Rule.
Contaminants: Revised Total Coliform Rule.
Contaminants: Revised Total Coliform Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Lake Clarke Shores's water supply.
Well within EPA limits.
Elevated disinfection byproduct levels. These form when chlorine interacts with organic matter during water treatment.
Violation history
Lake Clarke Shores's water system has 37 total violations on record, including 7 health-based violations. 7 remain unresolved. 13 violations were issued in the last 5 years.
Where does Lake Clarke Shores's water come from?
Lake Clarke Shores's drinking water comes from groundwater (wells), supplied by 3 water systems serving approximately 7,368 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Lake Clarke Shores residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Lake Clarke Shores's water.
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of Lake Clarke Shores
Industrial polluters nearby
Reported releases to surface water by facilities near Lake Clarke Shores, ranked by pounds discharged annually.
Total reported releases to surface water: 5 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
FLORIDA POWER & LIGHT CO RIVIERA BEACH ENERGY CENTER RIVIERA BEACH, FL33404 | Ammonia | 5 | 8.3 mi |
COASTAL AN OLDCASTLE CO WEST PALM BEACH, FL33407 | Lead | 0 | 9.6 mi |
PURECOAT INTERNATIONAL LLC WEST PALM BEACH, FL33407 | — | — | 6.7 mi |
GREENCHEM INDUSTRIES LLC WEST PALM BEACH, FL33401 | — | — | 4.9 mi |
CEMEX RIVIERA BEACH RIVIERA BEACH, FL33404 | — | — | 9.5 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D3 — extreme droughtPalm Beach County is currently in D3 (extreme drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 0.6 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Lake Clarke Shores compares by contaminant
Explore where Lake Clarke Shores ranks among all Florida cities for specific contaminants.
Water source & infrastructure
Where Lake Clarke Shores's water comes from
Lake Clarke Shores purchases its water supply from a regional wholesale provider rather than treating raw water directly.
Water quality depends on both the wholesaler's treatment standards and the condition of Lake Clarke Shores's local distribution pipes and storage facilities.
Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.
The system is operated by private ownership and serves approximately 7,368 people through 3 water systems.
Water systems serving Lake Clarke Shores
| System Name | PWSID | Population | Source |
|---|---|---|---|
| SEMINOLE MANOR SUBDIVISION | FL4500455 | 3,255 | GWP |
| LAKE CLARKE SHORES | FL4500466 | 2,468 | GWP |
| HYPOLUXO VILLAGE | FL4504998 | 1,645 | GWP |
How Lake Clarke Shores compares
Full Florida rankings →Lake Clarke Shores's score of 77.4/100 is above the average of 50/100 among major Florida cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Florida rankings →About Lake Clarke Shores, FL
Learn more about your water
Guides and resources related to Lake Clarke Shores's water quality findings.
Explore water quality across Palm Beach
Frequently asked questions
Is Lake Clarke Shores, FL tap water safe to drink?
Lake Clarke Shores's water quality earned a grade of B (77.4/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #169 out of 388 cities tested in Florida.
What contaminants are in Lake Clarke Shores's water?
Lead was measured at 0.6 ppb (90th percentile). 37 violations are on record.
How is Lake Clarke Shores's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Lake Clarke Shores?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Lake Clarke Shores's water come from?
Lake Clarke Shores's water is sourced from Purchased ground water. The city has 3 water systems serving approximately 7,368 residents.
What health violations has Lake Clarke Shores's water system had?
Lake Clarke Shores has 7 health-based violations on record. The most recent violation was recorded in October 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 7 violations remain unresolved.
Is Lake Clarke Shores's groundwater at risk of contamination?
Lake Clarke Shores uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 37 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Lake Clarke Shores's water compare to other cities?
Lake Clarke Shores ranks #169 out of 388 cities in Florida (better than 56% of state cities) and #9001 out of 15744 cities nationally (43th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.