WaterVerge

Is Cape Coral, FL Tap Water Safe to Drink?

Graded A — but Strontium and Chlorate were detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

173K residents served 1 water system PWSID: FL5360325
Overall Score
90.8 / 100
Violations
1 active
Last Updated
May 2026
Source
Groundwater
#35 of 388 in Florida Top 13% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
90.8/100
waterverge.com
A 90.8/100

Cape Coral, FL — Water Quality Report

Cape Coral's drinking water received a grade of A (90.8 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 172,693 residents using groundwater.

Lead levels were measured at 1.4 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 8 violations on record, including 1 health-based violation. 1 remains unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Cape Coral's water

Cape Coral ranks #35 out of 388 cities in Florida for water quality, placing it one of the best in the state.

Cape Coral relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

Hexavalent chromium (chromium-6) was detected at 0.68 µg/L in UCMR 3 testing. While below California's 10 µg/L limit and with no federal MCL set, residents sensitive to this contaminant may consider reverse osmosis filtration.

Quality Breakdown

Water quality score

See methodology →
90.8 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
39.9/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.4 ppb (90th percentile).
Contaminants
17.9/20
B
No PFAS compounds detected.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Cape Coral, FL water safe to drink?

Use Caution

Cape Coral's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (90.8/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 172,693 residents using groundwater (wells).

1
Active Violations
1.4 ppb
Lead (90th %ile)
None
PFAS Detected
10 events
Disaster History

Recent water quality updates for Cape Coral

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Cape Coral's water quality assessment. Grade: A (90.8/100).

Disaster
HURRICANE MILTON

Federal disaster declaration (FEMA DR-4844). Hurricane event — may have impacted local water infrastructure.

Disaster
HURRICANE MILTON

Federal disaster declaration (FEMA DR-4834). Hurricane event — may have impacted local water infrastructure.

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Violation
1 drinking water violation recorded

Contaminants: Nitrate.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Revised Total Coliform Rule.

Key contaminant findings

Based on the most recent EPA sampling data for Cape Coral's water supply.

Lead Within Limits
Detected: 1.4 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Cape Coral's water system has 8 total violations on record, including 1 health-based violation. 1 remain unresolved. 4 violations were issued in the last 5 years.

MRMCL
Most recent violations:
Oct 2024 TTHM Resolved
Oct 2024 Total Haloacetic Acids (HAA5) Resolved
Jan 2024 Nitrate Resolved
Sep 2022 Revised Total Coliform Rule Resolved
Jan 2011 Coliform (TCR) Resolved

Flood & environmental risk

Lee County has experienced 10 federally declared disasters since 2022. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include North Branch Estero River, Sixmile Cypress Creek, Tenmile Canal, Briarcliff Ditch, Whiskey Creek.

HURRICANE MILTON
Hurricane FEMA DR-4844
HURRICANE MILTON
Hurricane FEMA DR-4834
HURRICANE MILTON
Hurricane FEMA DR-3623

Where does Cape Coral's water come from?

Cape Coral's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 172,693 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include North Branch Estero River (river), Sixmile Cypress Creek (river), Tenmile Canal (stream), Briarcliff Ditch (stream), Whiskey Creek (river).

What Cape Coral residents can do

Request your utility's CCR

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.

Monitor alerts during storms

Cape Coral's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
1.4 ppb
EPA Action Level: 15 ppb · 9% of limit
Safe Level
HAA5 (Disinfection Byproducts)
Disinfection Byproduct
Safe
3.4 µg/L
EPA MCL: 60 µg/L · 6% of limit
Within LimitUCMR 4 DataHAA6Br: 4.4 µg/LHAA9: 4.4 µg/L
Chromium-6 (Hexavalent Chromium)
Inorganic
Detected
0.68 µg/L
CA MCL (no federal MCL): 10 µg/L · 7% of limit
DetectedUCMR 3 Data
Strontium
Inorganic
Over HRL
4200.0 µg/L
EPA Health Ref Level: 1,500 µg/L · +20% over limit
Over HRLUCMR 3 Data
Chlorate
Disinfection Byproduct
Over HA
420.0 µg/L
EPA Lifetime HA: 210 µg/L · +20% over limit
Over Health AdvisoryUCMR 3 Data
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
0
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

8
Total violations
1
Health-based
1
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

8 Total
1 Active
1 Health-based
7 Resolved
2 SNC
Violations by category
Total Coliform Rule
3
Stage 2 Disinfectants and Disinfection Byproducts Rule
2
Nitrate Rule
1
Revised Total Coliform Rule
1
Active
Compliance Violation
Monitoring 0
Oct 2024 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2024
Oct 2024 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2024
Jan 2024 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Sep 2022 Resolved
Revised Total Coliform Rule
Max Contaminant Level
Health-Based Health Resolved Sep 2022
Jan 2011 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2011
Apr 2010 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2010
Apr 2010 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2010
Industrial pollution

Top industrial polluters within 10 miles of Cape Coral

Industrial polluters nearby

Reported releases to surface water by facilities near Cape Coral, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
OLDCASTLE INFRASTRUCTURE & PREFERRED MATERIALS
Nonmetallic Mineral Product · CRH AMERICAS INC
CAPE CORAL, FL33909
4.2 mi
PLANT 155 CAPE CORAL
Nonmetallic Mineral Product · SMYRNA READY MIX LLC
CAPE CORAL, FL33909
4.4 mi
MUNTERS CORP
Primary Metals · MUNTERS CORP
FORT MYERS, FL33907
9.8 mi
CMC REBAR
Fabricated Metals · COMMERCIAL METALS CO
FORT MYERS, FL33916
8.9 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D3 — extreme drought

Lee 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.

14
Weeks at D2+ (current streak)
12.2%
Months in D2+ (last 30y)
14
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

10
Declared disasters
Nov 2024
Most recent
Hurricane
Most common type

Lee County has experienced 10 federally declared disasters since 2022. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Nov 2024
HURRICANE MILTON
Hurricane FEMA #4844
Oct 2024
HURRICANE MILTON
Hurricane FEMA #4834
Oct 2024
HURRICANE MILTON
Hurricane FEMA #3623
Oct 2024
HURRICANE MILTON
Hurricane FEMA #3622
Sep 2024
HURRICANE HELENE
Hurricane FEMA #4828
Aug 2023
HURRICANE IDALIA
Hurricane FEMA #4734

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.4 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium ND HI µg/L PFAS Not Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 7.6 ppb from 1992 (9.0 ppb) to 2023 (1.4 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
172,693
Water Systems
1
Water Source

Where Cape Coral's water comes from

Groundwater

Cape Coral's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 172,693 people through 1 water system.

Local Hydrology

Water bodies near Cape Coral

Cape Coral is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

North Branch Estero River
river
Sixmile Cypress Creek
river
Tenmile Canal
stream
Briarcliff Ditch
stream
Whiskey Creek
river
Infrastructure

Water systems serving Cape Coral

System Name PWSID Population Source
CAPE CORAL, CITY OF FL5360325 172,693 GW
Regional Comparison

How Cape Coral compares

Full Florida rankings →

Cape Coral's score of 90.8/100 is above the average of 50/100 among major Florida cities. It outscores 10 of 10 nearby cities.

Cape Coral (this city)
90.8
Miami
35
Orlando
36.8
Tampa
34.4
Florida avg
50
City Profile

About Cape Coral, FL

Wikipedia →

Cape Coral is a city in Lee County, Florida, United States, on the Gulf of Mexico. Founded in 1957, the city's population had grown to 194,016 as of the 2020 census, a 26% increase from 154,309 at the 2010 census, making it the ninth-most populous city in Florida. With an area of 120 square miles (310 km2), Cape Coral is the largest city between Tampa and Miami in both population and area. It is the largest and principal city in the Cape Coral-Fort Myers, Florida Metropolitan Statistical Area. The city has over 400 mi (640 km) of navigable waterways, more than any other city on earth.

Economic Profile
$72,474
Median Income
$302,724
Median Home Value
$1,630/mo
Median Rent
4.4%
Unemployment
Community
48.2
Median Age
724
People / sq mi
24.7%
College Educated
77.4%
Homeownership
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Frequently asked questions

Is Cape Coral, FL tap water safe to drink?

Cape Coral's water quality earned a grade of A (90.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #35 out of 388 cities tested in Florida.

What contaminants are in Cape Coral's water?

Lead was measured at 1.4 ppb (90th percentile). No PFAS compounds were detected. 8 violations are on record.

How is Cape Coral'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 Cape Coral?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Cape Coral's water come from?

Cape Coral's water is sourced from Groundwater. The city has 1 water system serving approximately 172,693 residents.

What health violations has Cape Coral's water system had?

Cape Coral has 1 health-based violation 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. 1 violation remains unresolved.

Is Cape Coral's groundwater at risk of contamination?

Cape Coral 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 8 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 Cape Coral's water compare to other cities?

Cape Coral ranks #35 out of 388 cities in Florida (better than 91% of state cities) and #2001 out of 15744 cities nationally (87th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.