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STENNIS SPACE CENTER

PWS ID: MS0230015 · STENNIS SPACE CENTER, Mississippi 39529

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
4,700
Total Violations
274
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Federal
Connections
240
County
Hancock
School/Daycare
No
MCL Violations
0
Monitoring Violations
270
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Uranium MR 86 2012
Radium-228 MR 66 2012
Radium-226 MR 62 2012
Combined Radium (-226 and -228) MR 28 2008
Gross Alpha, Excl. Radon and U MR 28 2008
Public Notice Other 1 2008

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 3 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
PFTA 7/17/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 7/17/2023 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 7/17/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 7/17/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 7/17/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 7/17/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 7/17/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 7/17/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 7/17/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 7/17/2023 <0.008 µg/L 0.008 µg/L Not Detected
NMeFOSAA 7/17/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 7/17/2023 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 7/17/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 7/17/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 7/17/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 7/17/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFEESA 4/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 4/10/2023 <9 µg/L 9 µg/L Not Detected
4:2 FTS 4/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 4/10/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 4/10/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 4/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 4/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 4/10/2023 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 4/10/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 4/10/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 4/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 4/10/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 4/10/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFOS 4/10/2023 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 4/10/2023 <0.002 µg/L 0.002 µg/L Not Detected
HFPO-DA 4/10/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 4/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 4/10/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 4/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 4/10/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 4/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 4/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 4/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 4/10/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 4/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 4/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 4/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 4/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 4/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 4/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 4/10/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 4/10/2023 <0.004 µg/L 0.004 µg/L Not Detected
lithium 4/10/2023 9.0000 µg/L 9 µg/L Detected
PFBS 4/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.