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Official EPA SDWIS Verified ReportWater Quality & Testing GuideHistorical Record: No Recorded SDWIS Violations

ZIP Code 33991 Water Quality & Testing Report

Cape Coral, FL · Lee County County · Updated for 2026

Public Health & Medical Notice: Drinking water quality data on this page reflects historical compliance records submitted under the Safe Drinking Water Act. This information does not constitute medical advice or a real-time safety guarantee. If you are pregnant, nursing, preparing infant formula, or immunocompromised, consult a healthcare provider. Boiling water kills biological pathogens, but does NOT remove chemical contaminants like lead, arsenic, or PFAS.
Quick EPA Verified Answer

Is Tap Water Safe to Drink in ZIP 33991 (Cape Coral, FL)?

Yes, tap water in ZIP code 33991 (Cape Coral, FL) is safe to drink under EPA Safe Drinking Water Act standards. Supplied by City of Cape Coral,, the area earns an EPA Safety Grade of B (79/100) with 1 health violations, 1.4 ppb lead, and hard (159 mg/L / 9.3 GPG) water.

Safety Score
B

Water Safety Grade

Good — Minor issues on record

Health Violations

1

Total Violations

27

Lead Risk

Low

Contaminants

1

⚠

Active Water Quality Issues Detected

EPA records show 19 unresolved violations. Contact City of Cape Coral, for current status.

About Tap Water in ZIP Code 33991

Tap water in ZIP code 33991 (Cape Coral, FL) is distributed by City of Cape Coral, (EPA ID: FL5360325), serving approximately 172,693 residents. Based on EPA Safe Drinking Water Act compliance records, this system receives a water safety grade of B with a composite quality score of 79/100.

Water System

City of Cape Coral,

EPA ID: FL5360325

Water Source

Ground Water

Population Served

172,693 residents

County

Lee County County, Florida

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Lead Levels in ZIP 33991

EPA action level: 15 ppb | Public health goal: 0 ppb

Lead Level: 1.4 ppb — Very Low

The 90th percentile lead level in 33991 is 1.4 ppb. This meets the EPA action level of 15 ppb. Health experts recommend a target of 0 ppb for optimal safety.

Lead exposure risk in 33991 is rated Low. EPA models estimate a 12% exposure probability based on housing and infrastructure age.

Lead Level (90th percentile)
1.40 ppb (0.0014 mg/L)
Copper (Consumer Confidence Report)

From annual CCR filing

0 ppb
Lead Exposure Risk Rating
Low
Lead Exposure Probability

EPA model estimate based on housing age and infrastructure

12%
Note: Lead levels above are the 90th percentile from EPA monitoring — meaning 90% of samples were at or below this level. Even "undetected" tap water lead doesn't account for lead leaching from home plumbing. If your home was built before 1986, individual tap testing is recommended.
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Water Hardness & Mineral Content

Grains per gallon (GPG) & Parts per million (PPM / mg/L)

Classification: Hard9.3 GPG · 159 mg/L

Water in ZIP 33991 is Hard (159 mg/L / 9.3 GPG). Residents may notice white mineral spots on glassware, reduced soap efficiency, and mineral scale on faucets and showerheads.

Recommendation: An ion-exchange water softener or descaler is recommended to prolong the life of water heaters, dishwashers, and plumbing.
Hardness (GPG)

Grains per gallon

9.3 GPG
Hardness (PPM / mg/L)

Parts per million CaCO3

159 mg/L
Appliance Scaling Risk
High / Severe

Official EPA SDWIS Database Entry

Utility: City of Cape Coral, · PWSID: FL5360325

Verify on EPA.gov
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Violation History

Past 5 years — EPA SDWIS data

City of Cape Coral, has recorded 1 health-based violation out of 27 total violations over the past 5 years. 19 violations remain unresolved in EPA tracking records.

Total Violations (5 yr)
27
Health-Based Violations
1
Unresolved Violations
19
Boil Water Advisories
0
Compliance Risk
Critical

Regulatory compliance risk for this utility is rated Critical based on past reporting and enforcement records.

⚗️

Contaminants Detected

Contaminants with health-based violations on record

EPA records identify 1 contaminant with health-based violations in the past 5 years: Consumer Confidence Report Rule.

Consumer Confidence Report Rule

⚖ Enforcement Actions

EPA or state regulators have issued 4 enforcement actions to address compliance lapses.
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Water Source & Environmental Factors

Ground Water

This system draws water from underground aquifers. Groundwater is naturally filtered through soil and rock, but can still contain naturally occurring minerals like arsenic, radium, or nitrates.

Water Source Type
Ground Water
CCR Source Classification
Ground water from the Lower Tamiami Aquifer and Sandstone Aquifer
EPA Radon Zone

Lower potential

Zone 3
Annual Flood Risk Cost

Estimated annual flood-related costs per property

$12
Energy Burden

% of household income spent on energy — indicator of older infrastructure

1.73%

EPA Radon Zone 3 — lower radon potential, though the EPA still recommends testing all homes.

Water Quality Testing in ZIP 33991

Tap Water & Well Testing Recommendations

Residents in ZIP code 33991 served by City of Cape Coral, can test tap water or private well systems to verify water purity. Testing detects hidden contaminants before they impact family health.

Tap Water Testing Steps

  • 1.Conduct a certified lead check if your home was constructed before 1986.
  • 2.Use certified lab testing kits rather than uncalibrated test strips for regulated compliance.
  • 3.Sample water from both your kitchen faucet and water heater to compare line purity.

Private Well Testing Steps

  • •Test for Coliform bacteria and Nitrates annually.
  • •Test for heavy metals, radon, and PFAS every 3 years.
  • •Send samples to a state-certified drinking water laboratory recognized by Florida Department of Environmental Protection.
Certified Lab Testing: Always use an EPA-certified drinking water laboratory in FL for formal legal or real estate compliance testing.

🛡 What Should You Do? — ZIP 33991 Recommendations

  • ✓ Run cold water for 30 seconds each morning before use — especially if pipes are old
  • ✓ Request your annual Consumer Confidence Report from City of Cape Coral,
  • ✓ If your home was built before 1986, consider testing your own tap for lead
  • ✓ Use a pitcher filter (NSF/ANSI 42 certified) for improved taste

Recommended Taste & Safety Filter:

🚰

NSF/ANSI 53 Certified Pitcher Filter

Best for removing aesthetic chlorine, odors, and low-level heavy metals.

Filter Selection Guide →

Frequently Asked Questions — ZIP 33991 Water Quality

Is tap water safe to drink in ZIP code 33991?+
Yes — tap water in 33991 (Cape Coral, FL) meets EPA standards with a water safety grade of B. No health-based violations are on record in the past 5 years.
How do I get my water tested in ZIP 33991 (Cape Coral, FL)?+
To test water quality in ZIP 33991, you can order a certified drinking water test kit or send water samples to an EPA/NELAP certified laboratory in FL. Certified testing checks for lead, coliform bacteria, nitrates, hardness, and PFAS that standard test strips miss. Contact Florida Department of Environmental Protection for a list of certified regional labs.
How hard is the tap water in 33991?+
Tap water in 33991 is classified as Hard with an estimated mineral hardness of 159 mg/L (9.3 GPG). An ion-exchange water softener or descaler is recommended to prolong the life of water heaters, dishwashers, and plumbing.
Should I test private well water in 33991?+
Yes. Unlike municipal systems, private wells in 33991 are not regulated by the EPA or local utilities. Private well owners should test their water annually for coliform bacteria and nitrates, and every 3 to 5 years for heavy metals (lead, arsenic) and volatile organic compounds.
What is the lead level in 33991 tap water?+
The 90th percentile lead level in 33991 is 1.4 ppb. The EPA action level is 15 ppb. This is below the EPA action level.
Is there an active boil water notice in 33991?+
There are currently no active boil water advisories on record for 33991. Water treatment systems are operating within normal parameters.
Who provides tap water to 33991?+
Tap water in ZIP code 33991 is provided by City of Cape Coral, (EPA ID: FL5360325), serving approximately 172,693 residents.
What water filter should I use in 33991?+
Based on water metrics for 33991, we recommend Reverse Osmosis (PFAS & Lead). Look for certifications such as NSF/ANSI 53 (Chemical Contaminants), NSF/ANSI 42 (Aesthetic Effects).

Data Sources & Methodology

Water quality data for ZIP code 33991 is compiled from the EPA Safe Drinking Water Information System (SDWIS), EPA ECHO enforcement database, UCMR5 unregulated contaminant monitoring, and Consumer Confidence Reports filed by City of Cape Coral,. Safety scores are composite metrics derived from violation history, lead levels, enforcement actions, and infrastructure risk indicators. Data reflects a 5-year monitoring window. Last dataset update: 2024. View EPA source data →