Public water system · FL5110183
ActiveMarco Island Utilities (City of)
At a glance
Marco Island Utilities (City of) (PWSID FL5110183) is an active community water system in Collier County, Florida. It reports serving 31,830 people through 10,301 service connections. Its primary water source is surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
31,830
Service connections
10,301
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Marco Island Utilities (City of) compare with other water systems in Collier County?
By EPA's size categories, Marco Island Utilities (City of) is a large system (10,001 to 100,000 people). Collier County has 45 active public water systems, and Marco Island Utilities (City of) is the 3rd-largest of them by population served. Its population served is about 3.7 times the county average of 8,575 people per system, and accounts for 8.2% of the 385,870 people reported by systems filed under the county. Across Florida, the 5,197 active systems average 4,345 people each. Nationally, the average active community water system reports serving 6,703 people, so Marco Island Utilities (City of) is about 4.7 times that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Florida has 1,640 active community water systems, 32% of the state's 5,197 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 24 Florida systems (0.5%) list surface water as their primary source.
Who owns and regulates Marco Island Utilities (City of)?
EPA lists Marco Island Utilities (City of) as privately owned. The FL state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 29 of the 45 active systems in Collier County (64%) are also privately owned.
Does Marco Island Utilities (City of) have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2024. The violations listed here began between September 2006 and July 2024. By type: 9 monitoring and reporting, 1 public notice, recordkeeping or other, 1 monitoring and 1 required treatment not met. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (3 of them). EPA lists 9 as resolved and 3 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2024-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2024-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2023-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2023-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2022-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2021-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2012-05-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2007-10-02 | Monitoring and reportingMonitoring, Routine (IDSE) · code 30 | Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600 | No | Resolved |
| 2006-09-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Archived |
| 2006-09-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Archived |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Marco Island Utilities (City of): frequently asked questions
Who runs Marco Island Utilities (City of)?
Marco Island Utilities (City of) (PWSID FL5110183) is a community water system privately owned. It is regulated by the FL state drinking water program.
How many people does Marco Island Utilities (City of) serve?
Marco Island Utilities (City of) reports serving 31,830 people through 10,301 service connections in Collier County, Florida.
Where does Marco Island Utilities (City of) get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Marco Island Utilities (City of) have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2024. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Marco Island Utilities (City of)'s water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the FL state drinking water program.
Where can I find Marco Island Utilities (City of)'s water quality report?
As a community water system, Marco Island Utilities (City of) must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Collier County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Collier County Regional WTP | Collier | 216,993 | Community | Groundwater |
| Naples Water Dept | Collier | 83,804 | Community | Groundwater |
| Immokalee Water | Collier | 26,841 | Community | Groundwater |
| Ave Maria Utility Company, Lllp | Collier | 11,982 | Community | Groundwater |
| Everglades City | Collier | 2,978 | Community | Groundwater |
| Sabal Palm Elementary | Collier | 1,530 | Non-transient non-community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Marco Island Utilities (City of), PWSID FL5110183, Florida”, https://aquacensus.com/water-systems/florida/marco-island-utilities-city-of-fl5110183 (data as of October 1, 2026).