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— 2025 PROVIDER REPORT

Collier County Water
water report

Start with the quick list. Amounts, limits and explanations are available farther down only if you want them.

SUBSTANCES REPORTED

PFAS — 2025 monitoring summary
Lead — 2025 monitoring summary
Sodium — detailed 2024 report
Nitrate as nitrogen — detailed 2024 report
Haloacetic acids (HAA5) — detailed 2024 report
Total trihalomethanes (TTHM) — detailed 2024 report
Lead at sampled taps — detailed 2024 report
Copper at sampled taps — detailed 2024 report
Fluoride — detailed 2024 report

See amounts and explanations ↓

YOUR PROVIDER WATER SNAPSHOT● Verified official source

9REPORTED

Current 2025 compliance summary, with numerical results from the County's latest directly accessible detailed 2024 table

Collier County reports no 2025 water-quality violations, no PFAS and no lead

Collier County Water

“9 reported substances translated into plain English below.”

PUBLIC WATER SYSTEM IDFL5114069

POPULATION SERVEDMore than 200,000 residents, businesses and visitors according to the County's 2025 release

WATER SOURCEGroundwater treated by Collier County's regional water system

TREATMENTAeration, lime softening, filtration and chloramine disinfection

WHO THIS REPORT COVERSCollier County Water customers; City of Naples, Marco Island, Goodland and private wells are separate

Collier County Water239-252-6245

— QUICK WATER SUMMARY

What your water provider reported.

Collier County says more than 66,000 tests conducted during 2025 found no drinking-water violations, PFAS or lead, and that its water met or exceeded state and federal standards. The numerical entries below come from the County's detailed 2024 report and are dated accordingly. These results apply to Collier County Water customers—not City of Naples, Marco Island, Goodland or private wells.

Start with the simple list below. Open See details to see whether the comparison is a legal limit, a health benchmark or another value used in the official report.

UTILITY REPORTDescribes the public system

Useful for source water, treatment and provider-wide monitoring.

PROPERTY TESTMeasures one address

Needed when the concern involves a building, service line, private well or exact tap.

IMPORTANTOne does not replace the other

A compliant utility report cannot rule out a plumbing issue inside one property.

01PFAS — 2025 monitoring summaryCollier County specifically reported no PFAS in its 2025 drinking-water testing.PROVIDER RESULTCounty reports none foundSee details

LEGAL LIMITFederal limits vary by PFAS compound

Legal limits are enforceable. Health benchmarks and goals may be non-enforceable comparison values.

REPORT STATUSNo PFAS reported in the County's 2025 summary

TREATMENT CONTEXTCertified point-of-use RO or contaminant-specific filtration is commonly evaluated.

02Lead — 2025 monitoring summaryLead usually enters water through service lines, fixtures or building plumbing. The County's current statement concerns its public water system, not every private tap or well.PROVIDER RESULTCounty reports none foundSee details

REPORT COMPARISON VALUE15 ppb action level for the detailed 2024 reporting period

Legal limits are enforceable. Health benchmarks and goals may be non-enforceable comparison values.

REPORT STATUSNo lead reported in the County's 2025 summary

TREATMENT CONTEXTCertified point-of-use RO or contaminant-specific filtration is commonly evaluated.

03Sodium — detailed 2024 reportCan reflect natural groundwater conditions and saltwater influence. People on sodium-restricted diets should discuss total intake with a physician.PROVIDER RESULT57.8 ppm; range 45.6–57.8See details

REPORT COMPARISON VALUE160 ppm Florida standard

Legal limits are enforceable. Health benchmarks and goals may be non-enforceable comparison values.

REPORT STATUSBelow the Florida standard in the detailed 2024 report

TREATMENT CONTEXTPoint-of-use reverse osmosis is commonly evaluated.

04Nitrate as nitrogen — detailed 2024 reportCan come from fertilizer runoff, septic systems, sewage and natural deposits.PROVIDER RESULT0.11 ppm; range not detected–0.11See details

LEGAL LIMIT10 ppm MCL

Legal limits are enforceable. Health benchmarks and goals may be non-enforceable comparison values.

REPORT STATUSBelow the federal MCL in the detailed 2024 report

TREATMENT CONTEXTPoint-of-use reverse osmosis is commonly evaluated.

05Haloacetic acids (HAA5) — detailed 2024 reportA group of byproducts created during drinking-water disinfection.PROVIDER RESULT29.5 ppb; range 17.7–34.6See details

LEGAL LIMIT60 ppb MCL

Legal limits are enforceable. Health benchmarks and goals may be non-enforceable comparison values.

REPORT STATUSBelow the federal MCL in the detailed 2024 report

TREATMENT CONTEXTWhole-home activated carbon is commonly evaluated.

06Total trihalomethanes (TTHM) — detailed 2024 reportA group of byproducts created during drinking-water disinfection. The highest sample is not the same as a compliance violation.PROVIDER RESULT60.4 ppb; range 34.1–75.4See details

LEGAL LIMIT80 ppb MCL

Legal limits are enforceable. Health benchmarks and goals may be non-enforceable comparison values.

REPORT STATUSBelow the federal MCL in the detailed 2024 report

TREATMENT CONTEXTWhole-home activated carbon is commonly evaluated.

Hardness and TDS can vary from street to street.

A provider report cannot tell us the exact levels at your tap. We need to test your home to give you an accurate measurement.

Get my exact measurements →

*Provider reports describe the public distribution system—not the water at a specific home. Actual results vary by service address, plumbing, seasonal utility conditions and system configuration. A softener does not necessarily reduce TDS. Address-specific testing is required before treatment is recommended.

— YOUR LOCAL WATER HUB

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— WATER NEWS & ANSWERS

Important water news. Clear everyday answers.

Local developments, treatment changes and practical explanations built from official sources.

INTERACTIVE WATER-PROBLEM CHECKERDoes your water look, smell or taste different?

Choose what you are noticing and get common causes, a safe first check and guidance on when to call the utility.

Check my water symptom →

BREAKING • OKEECHOBEE COUNTYLead exceeds action level in Okeechobee water samplesWhat residents need to know and do now →NEW • BROWARD COUNTYWill Fort Lauderdale’s new $666 million plant end yellow water?What the treatment upgrade can fix—and what it cannot →YOUR WATER REPORTWhat does a “safe amount” of chemicals actually mean?Legal limits, health goals and what compliance really tells you →

— POPULAR LOCAL WATER REPORTS

Official results for cities readers are checking now

View all Water News & Answers →

01

Less scale

Protect fixtures, water heaters and appliances from hard-water buildup.

02

Better showers

Softer-feeling water, easier lather and less residue on skin and hair.

03

Cleaner taste

Reduce the chlorine taste and odor many families notice at the tap.

— GET ADDRESS-SPECIFIC HELP

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your home’s water?

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