Public water system · FL6296287
ActiveSheffield Oaks Mlc
At a glance
Sheffield Oaks Mlc (PWSID FL6296287) is an active non-transient non-community water system in Hillsborough County, Florida. It reports serving 137 people through 17 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in August 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
137
Service connections
17
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Sheffield Oaks Mlc compare with other water systems in Hillsborough County?
By EPA's size categories, Sheffield Oaks Mlc 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 non-transient non-community water system reports serving 430 people, so Sheffield Oaks Mlc is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Florida has 780 active non-transient non-community water systems, 15% 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 Sheffield Oaks Mlc?
EPA lists Sheffield Oaks Mlc 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 Sheffield Oaks Mlc have drinking water violations?
EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in August 2022. The violations listed here began between September 2013 and August 2022. By type: 2 contaminant level above the legal limit and 2 monitoring and reporting. The contaminant or rule involved most often is Nitrate (4 of them). EPA lists 4 as resolved. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2022-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitratecode 1040 | Yes | Resolved |
| 2014-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2013-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitratecode 1040 | Yes | Resolved |
| 2013-09-01 | Monitoring and reportingMonitoring, Check/Repeat/Confirmation · code 04 | Nitratecode 1040 | No | Resolved |
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.
Sheffield Oaks Mlc: frequently asked questions
Who runs Sheffield Oaks Mlc?
Sheffield Oaks Mlc (PWSID FL6296287) is a non-transient non-community water system privately owned. It is regulated by the FL state drinking water program.
How many people does Sheffield Oaks Mlc serve?
Sheffield Oaks Mlc reports serving 137 people through 17 service connections in Hillsborough County, Florida.
Where does Sheffield Oaks Mlc 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 Sheffield Oaks Mlc have any drinking water violations?
EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in August 2022. 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 Sheffield Oaks Mlc'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; 2 are health-based, and the most recent began in August 2022. For current results, consult EPA ECHO, or the FL state drinking water program.
Where can I find Sheffield Oaks Mlc's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Sheffield Oaks Mlc is a non-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 |
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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, “Sheffield Oaks Mlc, PWSID FL6296287, Florida”, https://aquacensus.com/water-systems/florida/sheffield-oaks-mlc-fl6296287 (data as of October 1, 2026).