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Not health advice. Contact your local water utility for concerns.
Data from EPA Water Quality Reports. For official information, contact your water utility or health department.
Analysis of chromium contamination levels across Florida cities
Complete list of cities where chromium has been detected, sorted by level
| City | Level | EPA Limit | % of Limit | Status |
|---|---|---|---|---|
| TampaGrade C+ | 0.050 mg/L | 0.100 mg/L | 49.5% | Safe |
| LargoGrade B- | 0.048 mg/L | 0.100 mg/L | 47.5% | Safe |
| North MiamiGrade C- | 0.045 mg/L | 0.100 mg/L | 45.4% | Safe |
| SarasotaGrade C+ | 0.044 mg/L | 0.100 mg/L | 44.2% | Safe |
| DeltonaGrade C+ | 0.043 mg/L | 0.100 mg/L | 43.4% | Safe |
| Coral SpringsGrade D | 0.043 mg/L | 0.100 mg/L | 43.2% | Safe |
| PlantationGrade F | 0.043 mg/L | 0.100 mg/L | 42.9% | Safe |
| Wesley ChapelGrade C+ | 0.041 mg/L | 0.100 mg/L | 41.2% | Safe |
| MiramarGrade B- | 0.040 mg/L | 0.100 mg/L | 39.8% | Safe |
| Palm BayGrade C- | 0.036 mg/L | 0.100 mg/L | 36.5% | Safe |
| JacksonvilleGrade F | 0.031 mg/L | 0.100 mg/L | 30.7% | Safe |
| Bonita SpringsGrade B+ | 0.030 mg/L | 0.100 mg/L | 29.9% | Safe |
| Boynton BeachGrade B- | 0.030 mg/L | 0.100 mg/L | 29.7% | Safe |
| HialeahGrade B- | 0.029 mg/L | 0.100 mg/L | 28.6% | Safe |
| Pembroke PinesGrade B- | 0.028 mg/L | 0.100 mg/L | 28.1% | Safe |
| Winter SpringsGrade C+ | 0.027 mg/L | 0.100 mg/L | 27.3% | Safe |
| LeesburgGrade A- | 0.027 mg/L | 0.100 mg/L | 26.8% | Safe |
| HomesteadGrade B- | 0.026 mg/L | 0.100 mg/L | 26.4% | Safe |
| DavieGrade B+ | 0.026 mg/L | 0.100 mg/L | 26.2% | Safe |
| St. CloudGrade B- | 0.025 mg/L | 0.100 mg/L | 25.5% | Safe |
| Boca RatonGrade B+ | 0.025 mg/L | 0.100 mg/L | 24.7% | Safe |
| EustisGrade B+ | 0.024 mg/L | 0.100 mg/L | 23.7% | Safe |
| Pinellas ParkGrade B- | 0.023 mg/L | 0.100 mg/L | 23.2% | Safe |
| Cape CoralGrade F | 0.023 mg/L | 0.100 mg/L | 22.8% | Safe |
| Pompano BeachGrade B- | 0.022 mg/L | 0.100 mg/L | 22.4% | Safe |
Showing 25 of 87 cities. View individual city pages for detailed reports.
Chromium-6 (hexavalent chromium) is a known human carcinogen when inhaled. When ingested through drinking water, chromium-6 has been shown to cause cancer in laboratory animals. Health effects include damage to the liver, kidney, and gastrointestinal and immune systems. California has proposed a specific MCL of 10 ppb for chromium-6, much lower than the federal total chromium standard.
Discharge from steel and pulp mills; erosion of natural deposits; industrial pollution
Based on our analysis of EPA Safe Drinking Water Information System (SDWIS) data and local water utility reports,chromium has been detected in 87 Florida water systems. The average level across all tested cities is 17% of the EPA Maximum Contaminant Level (MCL), with the highest detection at 49.5% of the limit.
The EPA MCL for total chromium is 0.1 mg/L (100 ppb). The EPA MCL for chromium is 0.1 mg/L. This limit is set to protect public health based on available scientific evidence about the contaminant's health effects.
87 Florida cities have chromium detected in their water supply. All tested cities are within EPA safety limits.
Potential carcinogen, liver and kidney damage, gastrointestinal effects. The most vulnerable groups include children and people with kidney disease.
The most effective methods for removing chromium include Reverse Osmosis, Strong Base Anion Exchange. Look for filters certified by NSF/ANSI for chromium reduction.
The EPA Maximum Contaminant Level (MCL) for chromium is 0.1 mg/L.The EPA MCL for total chromium is 0.1 mg/L (100 ppb).
Recommended filtration methods for chromium removal:
Removes both chromium-3 and chromium-6
Best for chromium-6
pH dependent