Public water system · FL6296007
ActiveKeystone Korner
At a glance
Keystone Korner (PWSID FL6296007) is an active transient non-community water system in Hillsborough County, Florida. It reports serving 100 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in April 2006.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
100
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Keystone Korner compare with other water systems in Hillsborough County?
By EPA's size categories, Keystone Korner is a very small system (500 people or fewer). Hillsborough County has 722 active public water systems. Its population served is well below the county average of 2,415 people per system, and accounts for less than 0.1% of the 1,743,513 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 Keystone Korner is about 31% 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 Keystone Korner?
EPA lists Keystone Korner 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. 653 of the 722 active systems in Hillsborough County (90%) are also privately owned.
Does Keystone Korner have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in April 2006. The violations listed here began between January 2001 and April 2006. By type: 2 monitoring and reporting. The contaminants or rules involved are Total coliform bacteria (TCR) and Nitrate. EPA lists 1 as resolved and 1 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 |
|---|---|---|---|---|
| 2006-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
All 2 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.
Keystone Korner: frequently asked questions
Who runs Keystone Korner?
Keystone Korner (PWSID FL6296007) is a transient non-community water system privately owned. It is regulated by the FL state drinking water program.
How many people does Keystone Korner serve?
Keystone Korner reports serving 100 people through 2 service connections in Hillsborough County, Florida.
Where does Keystone Korner 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 Keystone Korner have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in April 2006. 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 Keystone Korner'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 2 violations for this system; none is health-based, and the most recent began in April 2006. For current results, consult EPA ECHO, or the FL state drinking water program.
Where can I find Keystone Korner's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Keystone Korner 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 Hillsborough County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Tampa Water Department | Hillsborough | 733,886 | Community | Surface water |
| Hcwrd/South-Central | Hillsborough | 515,012 | Community | Purchased surface water |
| Hcwrc/Northwest Utilities | Hillsborough | 208,982 | Community | Purchased surface water |
| University of South Florida | Hillsborough | 47,586 | Community | Groundwater |
| City of Plant City Utility | Hillsborough | 41,601 | Community | Groundwater |
| City of Temple Terrace Utility | Hillsborough | 31,250 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Keystone Korner, PWSID FL6296007, Florida”, https://aquacensus.com/water-systems/florida/keystone-korner-fl6296007 (data as of October 1, 2026).