Public water system · FL5114108
ActiveOasis Ranger Station
At a glance
Oasis Ranger Station (PWSID FL5114108) is an active transient non-community water system in Collier County, Florida. It reports serving 25 people through 11 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
11
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Oasis Ranger Station compare with other water systems in Collier County?
By EPA's size categories, Oasis Ranger Station is a very small system (500 people or fewer). Collier County has 45 active public water systems. Its population served is well below the county average of 8,575 people per system, and accounts for less than 0.1% 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 transient non-community water system reports serving 144 people, so Oasis Ranger Station is well below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Florida has 2,777 active transient non-community water systems, 53% of the state's 5,197 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 4,996 Florida systems (96%) list groundwater as their primary source.
Who owns and regulates Oasis Ranger Station?
EPA lists Oasis Ranger Station as owned by the federal government. 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. 4 of the 45 active systems in Collier County (8.9%) are also owned by the federal government.
Does Oasis Ranger Station have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2025. The violations listed here began between January 1997 and January 2025. By type: 3 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 4 as archived. 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 |
|---|---|---|---|---|
| 2025-01-01 | Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19 | E. colicode 3014 | No | Archived |
| 2025-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 1997-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
All 4 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.
Oasis Ranger Station: frequently asked questions
Who runs Oasis Ranger Station?
Oasis Ranger Station (PWSID FL5114108) is a transient non-community water system owned by the federal government. It is regulated by the FL state drinking water program.
How many people does Oasis Ranger Station serve?
Oasis Ranger Station reports serving 25 people through 11 service connections in Collier County, Florida.
Where does Oasis Ranger Station get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Oasis Ranger Station have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2025. 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 Oasis Ranger Station'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. EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2025. For current results, consult EPA ECHO, or the FL state drinking water program.
Where can I find Oasis Ranger Station's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Oasis Ranger Station is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
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 |
| Marco Island Utilities (City of) | Collier | 31,830 | Community | Surface water |
| Immokalee Water | Collier | 26,841 | Community | Groundwater |
| Ave Maria Utility Company, Lllp | Collier | 11,982 | Community | Groundwater |
| Everglades City | Collier | 2,978 | 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, “Oasis Ranger Station, PWSID FL5114108, Florida”, https://aquacensus.com/water-systems/florida/oasis-ranger-station-fl5114108 (data as of October 1, 2026).