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THE OASIS AT GRANDFIELD

PWS ID: FL6294409 · EATON PARK, Florida 33840

THE OASIS AT GRANDFIELD serves 48 people in EATON PARK, Florida using Groundwater water sources. It has 143 recorded EPA violations, including 7 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: THE OASIS AT GRANDFIELD

THE OASIS AT GRANDFIELD is a private-owned community water system that delivers drinking water to 48 residents in EATON PARK, Florida (Hillsborough County) through 24 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 143 total violations for this system , of which 7 (5%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 98 monitoring and reporting violations are on file. The most recent violation on record dates to 2012.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 63 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Florida, EPA tracks 5,093 public water systems serving 22,381,282 people, with 184,355 cumulative violations and 24,266 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 36.2 violations. THE OASIS AT GRANDFIELD's 143 violations sit above the Florida average. Statewide, 218 of 402 UCMR5-tested systems have reported PFAS detections (54.2%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
48
Total Violations
143
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
24
County
Hillsborough
School/Daycare
No
MCL Violations
7
Monitoring Violations
98
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 63 2012
Nitrate MR 24 2010
Endrin MCL 7 1988
E. COLI MR 4 2012
Consumer Confidence Rule Other 4 2008
Public Notice Other 2 2009
Chromium MR 1 1984
Selenium MR 1 1984
Barium MR 1 1984
Mercury MR 1 1984
Arsenic MR 1 1984
Cadmium MR 1 1984
Fluoride MR 1 1984

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for THE OASIS AT GRANDFIELD.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID FL6294409 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Florida Drinking Water Authority

Florida Department of Environmental Protection — Drinking Water Program is the primacy agency that licenses and inspects THE OASIS AT GRANDFIELD under EPA-delegated authority.

Open FL regulator portal

Source: Florida Department of Environmental Protection — Drinking Water Program

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2012 Coliform (TCR) MR 63 SDWIS / FL6294409 / 3100
2012 E. COLI MR 4 SDWIS / FL6294409 / 3014
2010 Nitrate MR 24 SDWIS / FL6294409 / 1040
2009 Public Notice Other 2 SDWIS / FL6294409 / 7500
2008 Consumer Confidence Rule Other 4 SDWIS / FL6294409 / 7000
1988 Endrin MCL 7 SDWIS / FL6294409 / 2005
1984 Chromium MR 1 SDWIS / FL6294409 / 1020
1984 Selenium MR 1 SDWIS / FL6294409 / 1045
1984 Barium MR 1 SDWIS / FL6294409 / 1010
1984 Mercury MR 1 SDWIS / FL6294409 / 1035
1984 Arsenic MR 1 SDWIS / FL6294409 / 1005
1984 Cadmium MR 1 SDWIS / FL6294409 / 1015
1984 Fluoride MR 1 SDWIS / FL6294409 / 1025

How THE OASIS AT GRANDFIELD Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric THE OASIS AT GRANDFIELD Florida avg Federal benchmark
Total violations 143 36.2 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 7 4.8 Indicates a contaminant exceeded a federal MCL
PFAS detection None 54.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 48 4,395 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 5,093 regulated public water systems in Florida.

Federal MCL reference — Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is THE OASIS AT GRANDFIELD water safe to drink?
THE OASIS AT GRANDFIELD (PWS ID: FL6294409) has 143 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 48 people using Groundwater sources.
How many people does THE OASIS AT GRANDFIELD serve?
THE OASIS AT GRANDFIELD serves 48 people in EATON PARK, Florida. It is a Private-owned system using Groundwater water sources with 24 service connections.
What type of violations does THE OASIS AT GRANDFIELD have?
THE OASIS AT GRANDFIELD has 143 total violations: 7 health-based violations (MCL exceedances or treatment failures), 98 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in THE OASIS AT GRANDFIELD water?
No PFAS testing data is available for THE OASIS AT GRANDFIELD under the EPA's UCMR5 monitoring program.
What water source does THE OASIS AT GRANDFIELD use?
THE OASIS AT GRANDFIELD uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial