Marco Island Tap Water Quality Report
Marco Island's water has 5 contaminants above EPA MCLGs. We recommend using a certified water filter.
Water system
MARCO ISLAND UTILITIES (CITY OF)
People Served
31,830
Health-based violations since 2020
0
MARCO ISLAND UTILITIES (CITY OF). EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Apr 2023 · MARCO ISLAND UTILITIES (CITY OF)
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Marco Island Tap Water Safe to Drink?
We strongly recommend using a certified water filter to reduce exposure: Marco Island's water has 5 contaminants above EPA health-based guidelines. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Marco Island's water.
MARCO ISLAND UTILITIES (CITY OF), Marco Island's water system, serves 31,830 people. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for MARCO ISLAND UTILITIES (CITY OF) is from Apr 2023.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Florida
Marco Island Water Service Areas
What these numbers actually mean for Marco Island, FL
We read Marco Island, FL’s published record and send you a short report — which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- 5 contaminants above EPA MCLGs and 13 contaminants with an EPA health goal detected in some samples (no level on file)
- 119 results on file
- 23 PFAS compounds on record
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Recommended Water Filters for Marco Island
Based on Marco Island's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.
Culligan
ZeroWater
NSF Certified:
Flow Rate
1.9 gpm
Daily Production
1 gpd
Highlights:
- Compact design
- Easy to set up
- Affordable
- NSF-42, NSF-53, NSF-401 certified
Removes 19 contaminants:
+14 more
Strontium, Molybdenum, Fluoride, Uranium, Lead, Total PFAS, Chlorine, 25, Phosphorus, Bicarbonate, Calcium, Carbonate, Magnesium, Sodium
Santevia
Bath Filter
NSF Certified:
Flow Rate
0.36 gpm
Highlights:
- Organic cotton design reduces plastic used in construction
- Affordable upfront & ongoing cost
- The only bath filter that removed 100% chlorine with “normal” faster faucet flow
Removes 1 contaminants:
Waterdrop
A1
NSF Certified:
Flow Rate
1 gpm
Highlights:
- Performance certified
- Lower price than Philips
- Hot water dispensing
- Compact design
Removes 5 contaminants:
Whirlpool Corporation
W11256135
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.7 gpm
Removes 19 contaminants:
+14 more
Benzene, Carbofuran, Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Chlorobenzene, Cryptosporidium, Ethylbenzene, Lead, Mercury, Metolachlor, Tetrachloroethylene, Toxaphene, Turbidity
Filters for what Marco Island reported
Verify Your Water Quality with Independent Testing
With 5 contaminants above EPA MCLGs and 13 contaminants with an EPA health goal detected in some samples (no level on file), independent laboratory testing provides a second opinion and can track changes over time.
SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.
Tap Score
PFAS Forever Chemicals Test
$339.95
Specialized test for PFOA, PFOS, and 24 other forever chemicals. Essential for areas near military bases, airports, or industrial sites.
Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.
With 5 contaminants above health guidelines, you may want to explore water purification options. Learn how to make distilled water at home for applications like humidifiers, CPAP machines, and baby formula.
What Marco Island's water readings can explain
Utility-reported data for Marco Island includes turbidity, sulfate and a chlorine-based disinfectant — the readings behind these common tap water questions. We publish a city-level hardness figure for Marco Island, resolved from its water systems where they report one and estimated from county sampling where they do not. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near Marco Island? Public-water results do not apply to private wells. See Collier County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Marco Island
Marco Island's tap water has an estimated 16.8 grains per gallon (288.0 mg/L, county sampling in Collier County) — very hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for an estimated 16.8 gpg water in Marco Island — equipment and local installation labour for your ZIP code, with the sizing arithmetic shown in full. For the national picture first, read what a water softener costs — equipment, installation labour and ten-year ownership, each separated out. For Florida as a whole, read water softener cost in Florida — priced against the plumber wage published for the state.
Frequently Asked Questions About Marco Island Tap Water
Marco Island's water has 5 contaminants above EPA MCLGs. We strongly recommend using a certified water filter to reduce exposure to these contaminants. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Marco Island's water.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach MARCO ISLAND UTILITIES (CITY OF). For a problem with your water now (discolored water, no water, low pressure, a leak), contact MARCO ISLAND UTILITIES (CITY OF) directly.
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